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Home My WebLink AboutWetland investigation report-2013 Wetland � �'�'�. `-�_- -___ . . � � � Invest� at� on .. f,. AMDk f y��e�� —.` Ewc� ��rc �.,� �« 4 � �: �4; 5 � � �- Re ort � �� _ p _�� Prepared For Thomas Bren Homes Inc. � � ` � �� 475 Oxford Road � � �,� � � �� . . , . . . , . 5 , ��, , �,_ �„, . .. � .�pe�.», ` �� ,:- m .Na , � Oron N 55356 ,. � � r ��.. t�� :,. :� � o, M , ; � ,� : y . , .. . , , , . � AE Comm. #13499 �. .�# '� April 30, 2013 ��y r . . . 'y�" > ." � �- �_',�z. � ` r' , - _ ,. _ .; _� , . F., __ ,��.t. � ,. ;;� . �, �: .� t i .�v�,� � r,� �. �. �,� .--- `� ... � � a h ,� j �.' a � t '�',�A "y��_ � � �� t �3 Ytz^t q � r# .,.. .... ..i/�5f�$"�� 4:.�{ .,'! � r .��"� F� ye(�yai p � ;p W�� t �i4�� ^� �'� 7 +6 t �,r��a rs .�.;��s � & b�� C�,d �3$Fb':�i�' � y, ' � � . . '�, ��y ,�ta�� .��. ' �- 'As i�� r�'; „~j�� .rv " �x i�. ,:� s t`` ,y:. ',3�'.b��.-'R:ii�¢: ��`i-�tl�:ti"�' y:_- . ��f �,i n'�:. '�°'��a. � � 46��.�,. ,,.,�� .� ,. :4� �. .}' �� . . � � ��+�� $ . . � � � � ,. . .. ��,y, �. .. �� . , _ . .�.. �. .a� , _�„ .r.. ii�: ..,,, ... � .�+^' � ,.� ,�'_",_,�.,... .. . .. � . ,'•� .a �... x,�.,_ � � .. � �,�.d �` � �; ��"lv�ic;FiR+e� h � ��rm. �, �.� t �'��j. .z:�F4''� �M', �� ✓'�^�a��4 ' , � a �• . � ' ..�:g�.:- ... ' . .��,. 3� Anderson En i neeri n of g g M i n nesota, LLC �. : 13605 1St Avenue North "`�" Plymouth, MN 55441 �'� � ��` 763-412-4000 main ��"�''" �R . �. . '�y�iR fi ��.#5�"� . ..,ey��x-. ' ��:� � 763-412-4090 fax � �`-��" - A Service-Disabled Veteran-Owned Small Business � Anderson Engineering of MN, LLC. Bren Homes-Wetland Investigation#13499 April 30,2013 Table of Contents Contact Information 2 Executive Summary 3 Background 4 Methodology 4 Resource Review 5 Field Review 5 Conclusions 6 APPENDICES A. Figures B. Routine On-site Determination Method Datasheets C. Site Photographs D. Antecedent Precipitation Record E. MnRAM: Minnesota Routine Assessment Methodology F. Credentials 1 q E Anderson Engineering of MN, LLC E�ren Homes-Wetland Investigalion#13499 April 30,2013 Contact Information Prepared For: Owner: Carter Ohrt 475 Oxford Road Orono, MN 55356 (612) 919-4457 Agent: Thomas Bren Homes Inc 2073 West Wayzata Road, Suite 50 Long Lake, MN 55356 (952) 475-6777 Prepared By: Benjamin J Hodapp, PWS Environmental Services Manager Certified MN Wetland Delineator#1016 Marc Cottingham Environmental Scientist Certified MN Wetland Delineator#1207 Kristina Justen Environmental Associate Anderson Engineering of Minnesota, LLC 13605 1st Avenue North Suite 100 Plymouth, MN 55441 Phone: (763) 412-4000 Fax: (763) 412-4090 Website: www.ae-mn.com 2 A E Anderson Engineering of MN, LLC. Bren Homes-Wetland�nvestigation#13499 April 30,2013 Executive Summary Anderson Engineering of Minnesota, LLC was retained to provide professional wetland services to identify those areas meeting wetland criteria utilizing the 1987 United States Army Corps of Engineers Wetland Delineation Manual (Technical Report Y-87-1; January 1987) and all supplemental guidance documents within the residential property located at 475 Oxford Road, Orono, Minnesota. One Type 3, PEMC, shallow marsh totaling approximately 0.04 acres was identified within the parcel. The wetland is associated with Lake Minnetonka. 3 A E Anderson Engineering of MN, LLC. E3ren Homes-Wetland Investigation#13499 April 30,2013 Backqround As requested by Thomas Bren Homes Inc., Anderson Engineering of MN, LLC completed a wetland delineation on the residential property located at 475 Oxford Road, Orono, Minnesota. Geographically the site is located in Section 5, Township 117 North, Range 23 West. The wetland delineation was completed in accordance with the 1987 United States Army Corps of Engineers Wetland Delineation manual and the published regional supplement to the Army Corps Wetland Delineation manual, Midwest Region. The purpose of this study was to investigate the project area, identify areas meeting the technical criteria for wetlands, delineate the jurisdictional extent of the wetland basins and classify the wetland habitat. Fieldwork for this site investigation was completed by Environmental Scientist Marc Cottingham and Environmental Associate Kristina Justen on April 29, 2013. Weather conditions were partly sunny and 70 degrees Fahrenheit. Methodoloqv United States Geologic Service 7.5" Topographic Quadrangle maps, United States Fish and Wildlife Service National Wetland Inventory maps, United States Department of Agriculture Natural Resources Conservation Service Soil Survey of Hennepin County, Minnesota. Department of Natural Resources Public Water Inventory and available aerial photographs were consulted to initially locate potential wetland habitats. The hydric soil assessment procedure of the Routine On-site Determination Method was used during this investigation. In this method, the following procedures were used: 1) The vegetative community was sampled in all present strata to determine whether greater than 50% of the dominant plant species present were hydrophytic. 2) Soil pits were dug using a Dutch auger to depths of 16"-36", noting soil profile and any hydric soil characteristics. 3) Signs of wetland hydrology were noted and were compared to field criteria such as depth to shallow water table and depth of soil saturation found in the soil pits. At least one sample point transect crosses the delineated wetland edge. This transect consist of an upland sample point and a wetland sample point. Other sample points may be located in areas which have one or more of the wetland vegetation, soils, or hydrologic characteristics present, where questionable conditions exist, or to verify the absence of wetland criteria. Sample points were marked in the field with orange pin flags. The identified wetland boundary was marked with sequentially numbered pink flags. All sample points and the delineated wetland boundary were located utilizing a Trimble Geo XH sub-meter GPS unit. 4 q E Anderson Engineering of MN, LLC Bren Homes-Wetland InvesUgation#13499 April 30,2013 Resource Review The following resources were reviewed to supplement the wetland field delineation: National Wetlands Inventory: The National Wetlands Inventory (Appendix A. Figure 2) identifies two wetlands within the project area. The NWI identifies the wetland as: • One Type 3, PEMC shallow marsh. • One Type 5, L1 UBH shallow open water. Natural Resources Conservation Service Soil Survey: The Soil Survey of Hennepin County, MN (Appendix A. Figure 3) identifies hydric soil within the project area. The identified soils include • Hamelloam • Muskego muck • Tadkee loamy fine sand Minnesota Department of Natural Resources Public Water Inventory: According to the MN DNR PWI for Hennepin County, MN (Appendix A. Figure 4), Lake Minnetonka-Stubbs Bay is located on the western portion of the project area. Antecedent Precipitation Data: A review of the antecedent precipitation data collected from the University of Minnesota Climatology Working Group (Appendix D) indicate that precipitation totals for the previous Weeks were slightly above average in Hennepin County and hydrologic conditions were suitable for completing an accurate wetland determination and boundary delineation. Field Review One Type 3 PEMC, shallow marsh was identified onsite. The wetland extends off-site to the north and west. The on-site portion is approximately 0.04 acres in size. The wetland was dominated by common cattail (Typha angustifolia) and Reed Canary Grass (Phalaris arundinacea). The underlying soils are mapped as Muskego muck. The investigated soil profile met the Black Histic (A3) hydric soil indicators. Indicators of wetland hydrology included surface water, the FAC-Neutral Test and geomorphic position. Based on the Minnesota Routine Assessment Methodology for Evaluating Wetland Functions (MnRAM), this wetland is classified as Manage 1. Due to the wetland being located adjacent to Lake Minnetonka, which is classified as a Preserve, this wetland will be treated as a Preserve. Additional Investiqated Areas: One wooded area dominated by smooth brome and common buckthorn on the north side of the project area was investigated and determined to be non-wetland. This area is described on Data Form SP-3 (Appendix B). The mapped soil was Hamel loam. The investigated soil for this area did not meet hydric criteria and there was no evidence of persistent wetland hydrology. 5 A E Anderson Engineering of MN. LLC. Bren Homes-Wetland Investigalion#13499 April 30,2013 Conclusion One Type 3, PEMC, shallow marsh totaling approximately 0.04 acres was identified within the residential parcel located at 475 Oxford Road, Orono, Minnesota. Wetlands in the project area are regulated by several agencies at the local, State, and/or federal level. Activities which may potentially impact those wetlands identified within this report should be discussed in advance with the appropriate regulating agency in regards to potential permit requirements. The Local Government Unit (LGU) responsible for implementing the Minnesota Wetland Conservation Act at this project location is the Minnehaha Creek Watershed District. Any activity for which a permit is required under this Wetland Protection Rule, that increases the imperviousness of the subject parcel must provide for buffer adjacent to each wetland and public waters wetland. To the extent the buffer requirement applies to a proposed New Principal Residential Structure, it will be applied in accordance with protections afforded a zoning nonconformity under state law so as not to unduly restrict the proposed action. Buffer must be provided on that part of the wetland edge that is down gradient from the activity or construction and around each wetland that will be disturbed. The Base Buffer Width shall be determined by the management class of the wetland as evaluated by the DistricYs Functional Assessment of Wetlands or by the current version of the Minnesota Routine Assessment Method (MnRAM). Management Class Base Buffer Width Minimum Applied Buffer Width Manage 3 20 feet 16 feet Manage 2 30 feet 24 feet Manage 1 40 feet 34 feet Preserve 75 feet 67 feet Buffer vegetation shall not be cultivated, cropped, pastured, mowed, fertilized, subject to the placement of mulch or yard waste, or otherwise disturbed, except for periodic cutting or burning that promotes the health of the buffer. Pesticides and herbicides may be used in accordance with Minnesota Department of Agriculture rules and guidelines. No new structure or hard surface shall be placed within a buffer. No fill, debris or other material shall be excavated from or placed within a buffer. Buffer areas, or portions thereof, that are not vegetated or will be disturbed by grading activities during construction, shall be replanted and maintained. 6 q E Anderson Engineering of MN, LLC. Bren Homes-Wetland Investigation#13499 April 30,2013 This wetland investigation meets the standards and criteria described in the 1987 U.S. Army Corps of Engineers Wetland Delineation Manual all applicable subsequent guidance for an on-site determination and the results reflect the conditions present at the time of the delineation. I certify thaf 1 performed the �e/d analysis and wrote the report for this wetland determination. ��,P�=r�. ��,��t-- � April 30, 2013 Kristina Justen Date Environmental Associate Anderson Engineering of Minnesota,LLC. I certify that I performed the fie/d ana/ysis and/or reviewed work completed by above staff. �/�'f`"''^(/ �G�� April 30, 2013 Benjamin J Hodapp, PWS Date Environmental Services Manager MN Certified Wetland Delineator#1016 Anderson Engineering of Minnesota,LLC. e'�5 � 4 �� 4, � �BENJAMIN J.MODAPP � 001832 �� SS/�N'�(WET�PN�2G\ � A E ,} . . , . � ' �11(\Tt T}�tk� ..y! . , . , i, _ _ oRa6' • • ' . �� :�'� � .�- �.� . . , � '_ • G j ,� : r , � � � = ,-��!' _ . ,. - 's' _ ' a, o . • .. . _ � , - � _ _ : .. _ _ _ . � . � + _ . _ _ , _ . .. -..:. , , " _ „ � . - - `>-..v� � �j.Y'+� \. _ . PveN_---s _ .. �._. ,._�_ . _ _ _ __ .. � �-__ � ' - .ak► ; � �ta�ne ary i' .. 6�h . �. � I . . . .'M�-'"� � � .. /. ' �� ' ,� �I1tM�� , . � . . , p � � �'�..t\ . . / „ y--j • '# i .'�,.." 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Lwn �p,�t� ,;�i PROJECT LOCATION SOURCE: Hennepin Co.,TIGER,ESRI,MN DNR,Anderson Engineering 1i t_�`_ � '�,�r�'�` 1 inch = 0.5 miles e t "-� 0 0.25 0.5 1 ° 4� Q 475 Oxford Rd., Orono, MN t, Miles ._ , ,_._,_ � �' 475 Oxford Road � : i . :� _, _ - Orono, Hennepin County, MN Hennepin County City of Orono State of Minnesota Henne in Count MN PID:0511723410010 , � A N D E RS O N Anderson Engineering of Minnesota,LLC LOCATIO N — F IG U RE 1 136051stAvenueNorth THOMAS BREN HOMES ^ ,. ENGINEERING s�'`e,°° Plymouth,MN55441 WETLAND DELINEATION ENGINEERING • ARCHITECTURE • LAND SURVEYING 763-012-4000(o) 763412-4090(� ENVIRONMENTALSERVICES • U+NDSCAPEARCHITECTURE www.ae-mn.com AE Comm.#13499 Date:4l26/2013 By.'JLA ��" � 1 ; �°`v� �� s � ' �� .g��4�� , a�.4I F�f >�� 9 �a? ,'� �e�Iif P � � ��. � `p� '�'� 'y k. , . � �� M'�' � � � �� `x�b :�� °p. w .,.. E} *w . r � +� ��.s»,wr. '< .d..w .� �. .,�'�� tl��`��••�M,:q. �� .ti` �e �.. �v* o, ,.w a �. .. 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"� �' �� , < �. � � �, �r� 4 , � �" w s , , 4� � y, am a:. � ° .�, �"`n� " w l"�a` ��, . � �. w„ M � �� ' ^, tiR� , �' � , q ' � , ��, ,,a,�F �� , �d `{� �� . m� p�: E y. .�"k� '�"= 4�. �J ��`'��5. � 4 'Ah '�� M ,�� e . �� ,. �µe'.�P � ��a w'R�' � i�M"�' � ��W. � ..i6 e `,k �.�.n � *�aa '�� . ,._ _'.�`f._��3_—._k._____—"_ ",_ _ "" _.. ._' __ , , PROJECT LOCATION SOURCE: Hennepin Co.,USFWS,TIGER, ESRi, MN DNR,AnUerson Engineering i 4,_ . .. .__...�'i � , � . � ` '� ` 475 Oxford Rd., Orono, MN � -��•'� �. � � � - -� '' Hennepin County Parcels 1 inch = 150 feet `+_, National Wetlands Inventory 0 75 150 300 ' 4 Type 1 Type 5 Type 2 Type 6 Feet L� t '; •-�� E._ _, Type 3 Type 7 475 Oxford Road Hennepin County ciry or orono` Type 4 Type 8 Orono, Hennepin County, MN State of Minnesota Henne in Count MN PID: 0511723410010 I � A N D E RS O N Anderson Engineering of Minnesota,LLC N W� — F I G U RE 2 136051stAvenueNorth THOMAS BREN HOMES ^ ENGINEERING s�'`e,°° • Plymouth,MN55441 WETLAND DELINEATION ENGINEERING • ARCHITECTURE • LAND SURVEYING 763�12-4000(o) 76�412-4090(� ENVIRONMENTALSERVICES • LANDSCAPEARCHITECTURE www.ae-mn.com AE Comm.#13499 Date:4/26/2013 By:JLA , �+• � tl� �� 3' x � q w ..s,I r ,� � p��s �+" A t♦ d�^ " /'�f ' a m�� r" �y ,i �, _,,r�pi I9° .�, l�w,. a��►�� +�� i �.-Xr �;i�,d��:�,� A�,+�`",� i' s� +r�,� ��,, •y �.,�' �.�, ''� �,/' ;��/s� ,�"'� � `'r.�� ,��lr` � �rV�/��.,�'�.1°�� ,�a�"�.��„�� /� . {�'' �`��,�' . .;�"�' "-�� ,��'�� °��`�* �r� �� ,.�` ��,� '"�` �; �.. �.� � �� ,. . . � . � s. . . .,►�` � � �+i y ,./!'+�,` r'��^�� 8"'��.��dl"�..IP° ��.I� � a ��. ;.r�. ,�... � "� ��,,,�» .Ry�1v..3a��i � ��,� I y �'��,+;,/p a*�' � , , ,p,;_,-� �, _ .r.�r�'�, ,)` � � ;�"w,�rr,«t,r��;•.,�- ��`��*��,�,� ,. u a �, B 1 s i d e R d .: " �',�� '� `;`� , '��.�', ��"'��,a �?`� ��y�a�"'�;�w��r��..�" ��" �, � ,� ��r�� _ `�,��y;�' ��`�'"�� ',� 1� �`�,.�� ,�� w�,. w� ��+�"; x�8' �'"�� r��-r' �` � � � �� ;, a � : +�r�„ � . . ��► " �� ,��w aB�`� y.� � �. � ��1 r'� �,rl� ,��"� ,� ,� �a � ..� c 'I".ri"�y ' � ,� �„' ",�p� . `�� r �' �� +„_ � ��eP�" 'a��'��.0' -a�y' � a�►,�'�.��p`�+,�"'��"„�`�� i �� , ,�,Ay � ��fr w � �'��,�,d► �,d�� .�� ! 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" : � . � „ ,� , ' ;,�,a °' . . �, ,� ��;�»',��°^''�` s�a� °, � ��.�. �� , �. �° � � m� u�� . ,, � .�' PROJEC7 �OC.�`i]ION SOURCE: Hennepin Co.,USDA,TIGER, c��,�viiv v�vn,��uersun Engineering ! --r� `�u�� ` '"is �� 475 Oxford Rd., Orono, MN Hennepin County Parcels 1 inch = 150 feet e . -� Hennepin County Soil Survey 0 75 150 300 i ? O Non-Hydric Soil Unit Feet � _-',. —1-�' � Hydric Soil Unit � i-�� -' ; ,' :� 475 Oxford Road _ _ , ____� Orono, Hennepin County, MN Hennepin County City of Orono State of Minnesota Henne in Count MN PID:0511723410010 , � A N D E RS O N Anderson Engineering of Minnesota,LLC S��L.7 — F I G U RE 3 136051stAvenueNorth THOMAS BREN HOMES /, ENGINEERING s��te�oo � Plymouth,MN55441 WETLAND DELINEATION ENGINEEWNG • ARCHITECTURE • LAND SURVEYING 763�12-4000(o) 763412-4090(� ENVIRONMENTALSERVICES • LANDSCAPEARCHITECTURE www.ae-mn.com AEComm.#13499 Date:4/26/2013 By:JLA , � �, � � � � � .� � ��3 � � �.,� �'�� . . � 2� � �s 'r y� .1 ,�. � �` ,� S 7 Q w , px ..,a� ". •,� �,w a� � � a t � $� � 3i . :�� y��¢� . � . • .. ' .�. 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Hennepin Go., TIGER,ESRI,MN DNR,Anderson Engineering �—L �-� �� w - 475 Oxford Rd., Orono, MN 1 inch - 150 feet e � Hennepin County Parcels "'-�, 0 75 150 300 o � MN DNR Inventoried �` Public Watercourse Feet -f' MN DNR Inventoried ` 475 Oxford Road � � '�7: � , '�7=, �•--�� _,- Public Waterbasin Orono, Hennepin County, MN Hennepin County City of Orono State of Minnesota Henne in Count MN PID: 0511723410010 , � A N D E RS O N Anderson Engineering of Minnesota,LLC f��Y� - F I G U RE 4 136051stAvenueNorth THOMAS BREN HOMES ^ ENGINEERING s°'te,°° �. Plymouth,MN55441 WETLAND DELINEATION ENGINEEPoNG � ARCHITECTURE • LAND SURVEYING 763-012-4000(o) 76�412-4090(� ENVIRONMENTALSERVICES • LANDSCAPEARCHITECTURE www.ae-mn.com AEComm.#13499 Date:4/26/2013 By:JLA .»> � ,� � � � �� . �.. ,� .� � '� �`' -� w �. � ,� , , ��. ,� . �a `� � a �'a' � a { �+r- � � �¢�'�'�s"P "�^^ ' "w,� �-�� F ` '� �"��` � ! 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L 475 Oxford Rd., Orono, MN 1 inch = 100 feet e _T Hennepin County Parcels 0 50 100 200 � Wetland Field Delineated p � 4/29/2013 Feet _ , ,,,- t- r� , ,� O Sample Point 475 Oxford Road __� . . t_�� ..��,�.�_--, Orono, Hennepin County, MN Hennepin County City of Orono State of Minnesota Henne in Count MN PID:0511723410010 / �; ANDERSON AndersonEngineeringofMinnesota,LLC DELINEATION — FIGURE 5 ,� 136051stAvenueNorth THOMAS BREN HOMES ^ ENGINEERING s°'te,°° :� Plymouth,MN55441 WETLAND DELINEATION ENGINEERING • ARCHITECTURE • LAND SURVEYING 763�12-4000(o) 76�412-4090(� ENVIRONMENTALSERVICES • LANDSCAPEARCHITECTURE www.ae-mn.com AE Comm.#13499 Date:4/16/2013 By:JLA $ � � � '�' Z R s � � � ��T��--�-- �_,`' � � -34•��, �» ; OXF �, RD R �, AD � � �, p =12'33�'.. `� ,` ,� ; .... .. -- � ��,...L=�4•94, . 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''�� ___---- ��`` �--- -�� ! �` `��__ -- ------------g34"__--"��OS`--- ' � � �� `� � . , � Z � ,_ --- . - . ,, , . .� , � -- _- .. ;_ � ��` �` ' � '' ----- - - '. , 61� s Et � Z f�� ----'' �, ,s '----------o�o��-932--- � � � � � a � . 6 z � �� — � ♦.��' ��g'�------------- ��M 0 0 �0��o�� -c.t------- � a �' ` , Q ' - Z W ''� � � � X W � i/ . � a �O w w o ; z m "�Z � O�U J I I // � � W � (/') � � � W m � Q � z � z �, E � � APPENDIX 6 Routine On-site Determination Method Datasheets WETLAND DETERMINATION DATA FORM -Midwest Region ProjecUSite Thomas Bren Homes Inc City/County: OronolHennepin Sampling Date: 04/29/2013 Applicant/Owner: Carter Ohrt State: MN Sampling Point: SP-1 W Investigator(s): Marc Cottingham,Kristina Justen 3ection,Township,Range: S.5,T. 117N,R.23W Landform(hillslope,terrace,etc.): shoreline Local relief(concave,convex, none): concave Slope(%): 1 Lat: 44.970062°N Long: 93.609081°W Datum: Soil Map Unit NameMuskego VWI Classification: PEMC Are climatiUhydrologic conditions of the site typical for this time of the year? Y (If no,explain in remarks) Are vegetation ,soil ,or hydrology significantly disturbed? Are"normal circumstances" Are vegetation ,soil ,or hydrology naturally problematic? presenY? Yes SUMMARY OF FINDINGS (If needed,explain any answers in remarks.) Hydrophytic vegetation present? Y Hydric soil present? Y Is the sampled area within a wetland? Y Indicators of wetland hydrology present? Y f yes,optional wetland site ID: Remarks:(Explain alternative procedures here or in a separate report.) VEGETATION--Use scientific names of plants. Absolute Dominan Indicator pominance Test Worksheet Tree Stratum (Plot size: 30 ) %Cover t Species Staus Number of Dominant Species 1 Acernegundo 10 Y FAC that are OBL,FACW,or FAC: 4 (A) 2 Total Number of Dominant 3 Species Across all Strata: 4 (B) 4 Percent of Dominant Species 5 that are OBL,FACW,or FAC: 100.00% (A/B) 10 =Total Cover Saoling/Shrub straturr (Plot size: 15 ) Prevalence Index Worksheet 1 Comus alba 15 Y FACW Total%Cover of: 2 OBL species 15 x 1 = 15 3 FACW species 35 x 2= 70 4 FAC species 10 x 3= 30 5 FACU species 0 x 4= 0 15 =Total Cover UPL species 0 x 5= 0 Herb stratum (Plot size: 5 ) Column totals 60 (A) 115 (B) 1 Phalaris arundinacea 20 Y FACW Prevalence Index=B/A= 1.92 2 Typha angustifolia 15 Y OBL 3 Hydrophytic Vegetation Indicators: 4 Rapid test for hydrophytic vegetation 5 X Dominance test is>50% 6 X Prevalence index is 53.0' � Morphogical adaptations"(provide 8 supporting data in Remarks or on a g separate sheet) 10 Problematic hydrophytic vegetation* 35 =Total Cover (explain) Woody vine stratum (PIOt SIZ@: 30 ) 'Indicators of hydric soil and wetland hydrology must be � present,unless disturbed or problematic 2 y rop ytic 0 =Total Cover vegetation present? Y Remarks:(Include photo numbers here or on a separate sheet) US Amy Corps of Engineers Midwest Region SOIL Sampling Point: SP-1W Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.) Depth Matrix Redox Features (Inches) Color(moist) % Color(moist) % Type' Loc" Texture Remarks 0-2 10YR3/1 10YR4/6 10 C M SiCL 2-20 10YR2/1 10YR4/6 5 C M S.Peat *Type:C=Concentration,D=Depletion,RM=Reduced Matrix, MS=Masked Sand Grains. **Location:PL=Pore Lining,M=Matrix Hydric Soil Indicators: Indicators for Problematic Hydric Soils: Histisol(A1) Sandy Gleyed Matrix(S4) Coast Prairie Redox(A16)(LRR K,L,R) Histic Epipedon(A2) Sandy Redox(S5) Dark Surface(S7)(LRR K,L) X Black Histic(A3) Stripped Matrix(S6) Iron-Manganese Masses(F12)(LRR K,L,R) Hydrogen Sulfide(A4) Loamy Mucky Mineral(F1) Very Shallow Dark Surface(TF12) Stratified Layers(A5) Loamy Gleyed Matrix(F2) Other(explain in remarks) 2 cm Muck(A10) Depleted Matrix(F3) Depleted Below Dark Surface(A11) Redox Dark Surface(F6) Thick Dark Surface(Al2) Depleted Dark Surface(F7) 'Indicators of hydrophytic vegetation and weltand Sandy Mucky Mineral(S1) Redox Depressions(F8) hydrology must be present,unless disturbed or 5 cm Mucky Peat or Peat(S3) problematic Restrictive Layer(if observed): Type: Hydric soil present? Y Depth(inches): emarks: HYDROLOGY Wetland Hydrology Indicators: Primary Indicators(minimum of one is reauired:check all that aoplv) Secondary Indicators(minimum of two reauired) X Surface Water(A1) Aquatic Fauna(613) Surface Soil Cracks(B6) High Water Table(A2) True Aquatic Plants(614) Drainage Patterns(610) Saturation(A3) Hydrogen Sulfide Odor(C1) Dry-Season Water Table(C2) Water Marks(B1) Oxidized Rhizospheres on Living Roots Crayfish Burrows(C8) Sediment Deposits(62) (C3) Saturation Visible on Aerial Imagery(C9) Driit Deposits(63) Presence of Reduced Iron(C4) Stunted or Stressed Plants(D1) Algal Mat or Crust(B4) Recent Iron Reduction in Tilled Soils �Geomorphic Position(D2) Iron Deposits(B5) (C6) X FAC-Neutral Test(D5) Inundation vsible on Aerial Imagery(B7) Thin Muck Surtace(C7) Sparsey Vegetated Concave Surface(68) Gauge or Well Data(D9) Water-Stained Leaves(69) Other(Explain in Remarks) Field Observations: Surface water present? Yes X No Depth(inches): 1 Water table present? Yes No Depth(inches): Indicators of wetland Saturation present? Yes No Depth(inches): hydrology present? Y (includes capillary fringe) Describe recorded data(stream gauge,monitoring well,aerial photos,previous inspections),if available: emarks: US Army Corps of Engineers Midwest Region WETLAND DETERMINATION DATA FORM-Midwest Region ProjecUSite Thomas Bren Homes Inc City/County: Orono/Hennepin Sampling Date: 04/29/2013 ApplicanUOwner: Carter Ohrt State: MN Sampling Point: SP-2U Investigator(s): Marc Cottingham,Kristina Justen 3ection,Township,Range: S.5,T. 117N,R.23W Landform(hillslope,terrace,etc.): shoreline Local relief(concave,convex,none): concave Slope(%): 2 Lat: 44.970062°N Long: 93.609081°W Datum: Soil Map Unit Name Muskego VWI Classification: PEMC Are climatic/hydrologic conditions of the site typical for this time of the year? Y (If no,explain in remarks) Are vegetation ,soil ,or hydrology significantly disturbed? Are"normal circumstances" Are vegetation ,soil ,or hydrology naturally problematic? present? Yes SUMMARY OF FINDINGS (If needed,explain any answers in remarics.) Hydrophytic vegetation present? Y Hydric soil present? N Is the sampled area within a wetland? N Indicators of wetland hydrology present? N f yes,optional wetland site ID: Remarks:(Explain alternative procedures here or in a separate report.) VEGETATION--Use scientific names of plants. Absolute Dominan Indicator pominance Test Worksheet Tree Stratum (Plot size: 30 ) %Cover t Species Staus Number of Dominant Species 1 Quercus alba 25 Y FACU that are OBL,FACW,or FAC: 3 (A) 2 Total Number of Dominant 3 Species Across all Strata: 4 (B) 4 Percent of Dominant Species 5 that are OBL,FACW,or FAC: 75.00% (A/B) 25 =Total Cover Sa�lina/Shrub sVaturc (Plot size: 15 ) Prevalence Index Worksheet 1 Rhamnus cathartica 25 Y FAC Total%Cover of: 2 Acer negundo 25 Y FAC OBL species 0 x 1 = 0 3 FACW species 10 x 2= 20 4 FAC species 50 x 3= 150 5 FACU species 25 x 4= 100 50 =Total Cover UPL species 0 x 5= 0 Herb stratum (Plot size: 5 ) Column totals 85 (A) 270 (B) 1 Prevalence Index=B/A= 3.18 2 3 Hydrophytic Vegetation Indicators: 4 Rapid test for hydrophytic vegetation 5 X Dominance test is>50% 6 Prevalence index is 53.0' � Morphogical adaptations*(provide $ supporting data in Remarks or on a 9 separate sheet) �� Problematic hydrophytic vegetation• 0 =Total Cover (explain) Woody vine stratum (Plot size: 30 ) 'Indicators of hydric soil and wetland hydrology must be 1 Vitis riparia 10 Y FACW present,unless disturbed or problematic 2 y rop ytic 10 =Total Cover vegetation present? Y Remarks:(Include photo numbers here or on a separate sheet) US Amy Corps of Engineers Midwest Region SOIL Sampling Point: SP-2U Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.) Depth Matrix Redox Features (Inches) Color(moist) % Color(moist) % Type* Loc'* Texture Remarks 0-18 10YR3/1 SiCL 18-24 10YR3/1 SiCL *Type:C=Concentration,D=Depletion,RM=Reduced Matrix,MS=Masked Sand Grains. "Location:PL=Pore Lining,M=Matrix Hydric Soil Indicators: Indicators for Problematic Hydric Soils: Histisol(A1) Sandy Gleyed Matrix(S4) Coast Prairie Redox(A16)(LRR K,L,R) Histic Epipedon(A2) Sandy Redox(S5) Dark Surface(S7)(LRR K,L) Black Histic(A3) Stripped Matrix(S6) Iron-Manganese Masses(F12)(LRR K,L,R) Hydrogen Sulfide(A4) Loamy Mucky Mineral(F1) Very Shallow Dark Surface(TF12) Stratified Layers(AS) Loamy Gleyed Matrix(F2) Other(explain in remarks) 2 cm Muck(A10) Depleted Matrix(F3) Depleted Below Dark SurFace(A11) Redox Dark Surface(F6) Thick Dark Surface(Al2) Depleted Dark Surface(F7) "Indicators of hydrophytic vegetation and weltand Sandy Mucky Mineral(S1) Redox Depressions(F8) hydrology must be present,unless disturbed or 5 cm Mucky Peat or Peat(S3) problematic Restrictive Layer(if observed): Type: Hydric soil present? N Depth(inches): emarks: HYDROLOGY Wetland Hydrology Indicators: Primarv Indicators(minimum of one is reauired:check all that a��lv) Secondary Indicators(minimum of two reauiredl Surtace Water(A1) Aquatic Fauna(613) Surtace Soil Cracks(B6) High Water Table(A2) True Aquatic Plants(614) Drainage Patterns(B10) Saturation(A3) Hydrogen Sulfide Odor(C1) Dry-Season Water Table(C2) Water Marks(B1) Oxidized Rhizospheres on Living Roots Crayfish Burrows(C8) Sediment Deposits(B2) (C3) Saturation Visible on Aerial Imagery(C9) Drift Deposits(83) Presence of Reduced Iron(C4) Stunted or Stressed Plants(D1) Algal Mat or Crust(B4) Recent Iron Reduction in Tilled Soils Geomorphic Position(D2) Iron Deposits(B5) (C6) FAC-Neutral Test(D5) Inundation Visible on Aerial Imagery(67) Thin Muck Surtace(C7) Sparsely Vegetated Concave Surtace(B8) Gauge or Well Data(D9) Water-Stained Leaves(B9) Other(Explain in Remarks) Field Observations: Surface water present? Yes No Depth(inches): Water table present? Yes No Depth(inches): Indicators of wetland Saturation present? Yes No Depth(inches): hydrology present? N (includes capillary fringe) Describe recorcled data(stream gauge,monitoring well,aerial photos,previous inspections), if available: emarks: US Army Corps of Engineers Midwest Region WETLAND DETERMINATION DATA FORM-Midwest Region ProjecUSite Thomas Bren Homes Inc City/County: Orono/Hennepin Sampling Date: 04/29/2013 ApplicanUOwner: Carter Ohrt State: MN Sampling Point: SP-3 Investigator(s): Marc Cottingham, Kristina Justen 3ection,Township,Range: S.5,T. 117N,R.23W Landform(hillslope,terrace,etc.): Local relief(concave,convex,none): Slope(%): 0 Lat: 44.97028°N Long: 93.607998°W Datum: Soil Map Unit NameAngus VWI Classification: Are climatic/hydrologic conditions of the site typical for this time of the year? Y (If no,explain in remarks) Are vegetation ,soil ,or hydrology significantly disturbed? Are"normal circumstances" Are vegetation ,soil ,or hydrology naturally problematic? present? Yes SUMMARY OF FINDINGS (If needed,explain any answers in remarks.) Hydrophytic vegetation present? N Hydric soil present? N Is the sampled area within a wetland? N Indicators of wetland hydrology present? N f yes,optional wetland site ID: Remarks:(Explain alternative procedures here or in a separate report.) VEGETATION--Use scientific names of plants. Absolute Dominan Indicator pominance Test Worksheet Tree Stratum (Plot size: 30 ) %Cover t Species Staus Number of Dominant Species 1 that are OBL,FACW,or FAC: 7 (A) 2 Total Number of Dominant 3 Species Across all Strata: 3 (B) 4 Percent of Dominant Species 5 that are OBL,FACW,or FAC: 33.33% (A/B) 0 =Total Cover SaolinNShrub straturc (Plot size: 15 ) Prevalence Index Worksheet 1 Rhamnus cathartica 20 Y FAC Total%Cover of: 2 OBL species 0 x 1 = 0 3 FACW species 0 x 2= 0 4 FAC species 20 x 3= 60 5 FACU species 25 x 4= 100 20 =Total Cover UPL species 0 x 5= 0 Herb stratum (Plot size: 5 ) Column totals 45 (A) 160 (B) 1 Bromus inermis 20 Y FACU Prevalence Index=B/A= 3.56 2 Rubus idaeus 5 Y FACU 3 Hydrophytic Vegetation Indicators: 4 Rapid test for hydrophytic vegetation 5 Dominance test is>50% 6 Prevalence index is 53.0' � Morphogical adaptations*(provide $ supporting data in Remarks or on a 9 separate sheet) 10 Problematic hydrophytic vegetation' 25 =Total Cover (explain) Woody vine stratum (PIOt SIZ@: 30 ) 'Indicators of hydric soil and wetland hydrology must be 1 present,unless disturbed or problematic 2 y rop ytic 0 =Total Cover vegetation present? N Remarks:(Include photo numbers here or on a separate sheet) US Amy Corps of Engineers Midwest Region SOIL Sampling Point: SP-3 Profile Description: (Describe to the depth needed to document the indicator or confirtn the absence of indicators.) Depth M rix Redox Features (Inches) Color(moist) % Color(moist) % Type" Loc"* Texture Remarks 0-12 10YR3/1 SiCL 12-20 10YR4/3 SiCL Gravel present at 12" 'Type:C=Concentration,D=Depletion,RM=Reduced Matrix,MS=Masked Sand Grains. ••Location: PL=Pore Lining,M=Matrix Hydric Soil Indicators: Indicators for Problematic Hydric Soils: Histisol(A1) Sandy Gleyed Matrix(S4) Coast Prairie Redox(A16)(LRR K,L,R) Histic Epipedon(A2) Sandy Redox(S5) Dark Surtace(S7)(LRR K,L) Black Histic(A3) Stripped Matrix(S6) Iron-Manganese Masses(F12)(LRR K,L,R) Hydrogen Sulfide(A4) Loamy Mucky Mineral(F1) Very Shallow Dark Surtace(TF12) SVatified Layers(A5) Loamy Gleyed Matrix(F2) Other(explain in remarks) 2 cm Muck(A10) Depleted Matrix(F3) Depleted Below Dark Surface(A11) Redox Dark Surface(F6) Thick Dark Surface(Al2) Depleted Dark Surface(F7) 'Indicators of hydrophytic vegetation and weltand Sandy Mucky Mineral(S1) Redox Depressions(F8) hydrology must be present,unless disturbed or 5 cm Mucky Peat or Peat(S3) problematic Restrictive Layer(if observed): Type: Hydric soil present? N Depth(inches): emarks: HYDROLOGY Wetland Hydrology Indicators: Primary Indicators(minimum of one is reauired:check all that aq�lv) Secondarv Indicators(minimum of two reauired) SurFace Water(A1) Aquatic Fauna(613) Surface Soil Cracks(B6) High Water Table(A2) True Aquatic Plants(614) Drainage Patterns(B10) Saturation(A3) Hydrogen Sulfide Odor(C1) Dry-Season Water Table(C2) Water Marks(B1) Oxidized Rhizospheres on Living Roots Cra�sh Burrows(C8) Sediment Deposits(B2) (C3) Saturation Visible on Aerial Imagery(C9) Drift Deposits(B3) Presence of Reduced Iron(C4) Stunted or Stressed Plants(D1) Algal Mat or Crust(64) Recent Iron Reduction in Tilled Soils Geomorphic Position(D2) Iron Deposits(B5) (C6) FAC-Neutral Test(D5) Inundation Visible on Aerial Imagery(B7) Thin Muck Surface(C7) Sparsely Vegetated Concave Surface(BS) Gauge or Well Data(D9) Water-Stained Leaves(69) Other(Explain in Remarks) Field Observations: Surface water present? Yes No Depth(inches): Water table present? Yes No Depth(inches): Indicators of wetland Saturation present? Yes No Depth(inches): hydrology present? N (includes capillary fringe) Describe recorded data(stream gauge,monitoring well,aerial photos,previous inspections),if available: emarks: US Army Corps of Engineers Midwest Region APPENDIX C Site Photographs Anderson Enyineering of MN, LLC Bren Homes-WeUand Investigation#13499 April 30,2013 �a�� .� � �� r � ' �� GteS�: + ' ..�� ! -. +t} �� k�: � : A , �� '�. . , �t1 :"�.a � . �r� '� ' ,r *y�� ,� n� �` �'�� t ^t : .nrt�`� � �� ti s�` ��"�� ri�� _ q �, � . .: - y ` •T��`- �F ,.. . ✓.,�a'y. �... .. „, M «g �,.J: ��"'�.'� �+�r l!• ,�' '• � � s . � .. y„ , y».r ,�{� +r }jy w �i x � � �,��,°� # K�li � y'�,�r^T c � . . �� '' 1. `+!'�� 14� � yb�`S �ii �,� �,Kk. i�� a ,+, .�y��" �s�� y �:'� �, � y i/'t ��"`:�P' . J�� tr : �� ° ',,. `s,�y �'.� �, t�' �h�jy(' J 7y y,R�� 3a� " � . . ' .r s � 1'$r>y,�,� .. ( 1 q( �, �0��w .,+s r�=y�"J!� " ,J " a '�3 *. � t � +�'`�� f� �-, F ,�„ � cy y� �g� wi qi t ,}.!E �,',� � w� .�.�:+�g��„ � �, � �.�-'M' ,..,,� ��II�C�.`�4'�..��Z.�y �„,+y�i ,�,,4.y ,Ka F �"�r �r h.r,��w'r'.� MA �k' � y , ,� .��, y, t ,. � .. r ,,,..,:. ,,.�, .�.,; .. -'a r a ^!� �,, w�vrvh„ . . �� #"R�� µ .. - , ,. �,': . » ��,� -��„,��4`�'� i.��t� � ��g 4 a {,`'S � � t! �r' #v �Ed$�" ./m, ..y.ry.... , � . . ,�y�i��,� M ,VW � �*�El�� .��(dt.Y�'Y t`��' t 8 e�Y�" � :� � ��=�� N'#� �,�' �. ia"�'4, �tr��r��'�"a€„� w��s�'{ i ,6n� � 4 �i ��ya �"r`#, `"„: :A� ,+`"«'r�4�"�' ti:ai��"n�a,. � .tt��. .,�S��r:%��3`;r�l;'``ti".`1"s�.-?',`iy`a:'v:^-,� Viewing north across wetland boundary v�ewing west along wetland boundary (Taken April 29`h 2013) (Taken April 29�h 2013) � , rc`'.�� l�Pt�'��x ��y �'!* � yC•��t�.�♦ a� �� ,. �{ � � {� (�i�. ,. ,rr �:� �re � { x�� ..� , r� � ��A'�+�,fi"N a'�,� ; t 9F k � • „ ; Q. n � .� ._ �`�a��a� �. I; ,Y�: {�' .«1� ,..� t c t"� w' i .!i . , � ��. .��;. ,,. � �� ' l�� ,�� ;Rj� t�F � f�;��,�;�, � � j r\� '� �$�/ IM�� "�� , � ♦ :t �i��. a. -` . .. "� �,� � .....� _. . . � � �,�i.�y��'�� i�� F�� +k,�� .� ""'� �� . . ,. w a. ' . .�' .1 �,. ...� �_ ,. � F.�y^� � .ii° �! .m �'S �K.�y�`i __ _ 4 t "' ,'.-t �,. �"�."*'. `c �h�+, ' ��►.�e�",i�'� � 3ffi� �'v_ a�,Y, . .. _. ,�� .� � ��.i .�,,��. � � � �� ' � � ��.ti� ��' ��d��'�� ,'"�». �+'r��s��I �r,��r��" l" �� .: •.... . '. ,�,a,,..,, 'sw . 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Viewing south alon�g shoreline �Viewing north across sample point SP-2U (Taken April 29� 2013) (Taken April 29�h 2013) '�� ` �� 3 � �k�'�� a9 e � '� r � �� ; J,t p - ,�r -M >r ��„ ,��'-+ , r �� l , '�'�° P ydY . �� „e, � �"�`4 �' r'E �9 1b '�"""�. �' � �� {� + ,�k `.�° t.w } � � .. ka� �+� � * � '�p � r� �'� � .� � � �i� =c a^�iF.a ° '� b z# 9a�&�N��.;1 a b°� �� a° �� r '.;� $ �, � � a� a X' ` � ��,� �, n �+�� ` ` * �,4� �� , s�;+C: ,S„ � �"� ;C' :.'� ��`� {��:� �'d� � f�a�( �„ , � -� ��; ��i. �, .: ��*�° ,�� a� ` � .'".. _ �1 � `"_++' "�1��' ;� . F�}� +�1�2 `� � �"°, � 4'� �t 0., �� y.r��'t� '�. �� y^ 5 t � , yr\=�� T ' a ,p•• ��,' "�� ::5` sr� .�5�5 a .�R � �f �� '��1� �.,n t. � *�, '" a' �' 4 . .. ,r;�, �� v.�.-�'��.; �� ,�y r,��"`'�� ,� �� w �"��£��' ''f'�f: ` � `''i� #%�►, ri`-�'��.,',�� ,�' ,� �::.� � ,��ca' ` .� i i .,C x f.� ,.,f {r�� i,:R�,`; ..i . Yt t � # ,r ,f:. ,,.'�t' � `.� R� tr�Ke-.a��` �;, < ...,. ' � y�1r�V �' �"a- 1 Z. �a�� 4 � . - . .. 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'�, ,#+' �� ,�� ,. _`� a ..� t r i� !/�� ,, �+�j � , s �9 ��'�� "'�x�� "s , � � � .� f ' +� ��k A�� .s i 1 �.� r ��... { �_a�e�'1''� .�"�.' �t �c, ��,tr �,�,��'�.�M?E� y�.y��sj�� y �.. i.� x;�(„�,•t„'t' ' �`` ' A .,:, .'�; �,i'!`(g5�1t ��5 M�'ew"��•.�h / :iJ r*° '� b'.'� . . � ,��,Gan�."'th� (�✓- ��#a� j�' ... „i, �•-,}�s",,i�f-.,.f � ��.�}� . *f f�.h'�I"�x✓�4t��x��c r.�..-�tr`t'1..,;. �r .• t � •� '"- :4�A,+��,..�,�"..n�� '� � _ �'i✓"�E��t'{�x..�1Qi�Tt.,u._..�� ..A,� � i:��.� ,.::.�i:• •?��si _:�,r h�..� - � , r,.� ,m�r.q w %+C,'1Y43�e�t�""�.,s Viewing north across samp�e point SP�1 W t Viewing east across sample point SP-3 and area of interest (Taken April 29�h 2013) (Taken April 29th 2013) A E APPENDIX D Antecedent Precipitation Data Appendix D: Precipitation Summary Maps Source: http://climate.umn.edu/doc/weekmap/weekmap_130430.htm Precipitation Precipitation °lo Normal Apr 24-Apr 30,2013 Apr 01-Apr 30,2013 _ _1-_ _� . `, -{� _i` � - 4_•'` � � ,`-"- � � � � --.; ,� _ - `��'�`� _c - - =oe I� ;:a �=�� _ i i�� o.i ;,,; �;:� - -- � _ ;; � -: ---�, i n�:h e s '--�.��e n_e n t Ot�1FEe.�iiiiat 5tateGlirriat-�b��yLitn_e,ii-l-3U-2U13 Dt1F: Eae�.Uat �_tyt i.lrr�_i��- , , ..!n�.�,U4-::0-2013 Precipitation Ranking A.pr 01-A�r 30,2013 tL � :�:� ` :�- � 'J LJ _ •J _V --�.0 lowest-100 highest Z DNk Ecoliiiai - :t�t� :_��iriatolugyUffice,04-30•2013 APPENDIX E MnRAM: Minnesota Routine Assessment Methodology Management Classi�cation Report for Thomas Bren Homes 475 Oxford Road ID: 1 HENNEPIN County Mississippi(Metro) Watershed,#20 Corps Bank Service Area 7 Based on the MnRAM data input from field and office review and using the classification settings as shown below, this wetland is classified as Manage 1 Functional rank of this wetland Self-defined classification value based on MnRAM data Functional Category settings for this management level Not Applicable Vegetative Diversity/Integrity High Moderate Habitat Structure(wildlife) High Low Amphibian Habitat Moderate High Fish Habitat High Moderate Shoreline Protection Moderate Moderate Aesthetic/Cultural/Rec/Ed and Habitat High/ Moderate Moderate Stormwater/Urban Sensitivity and Vegetative Diversity High/ Moderate Moderate Wetland Water Quality and Vegetative Diversity High/ Moderate Moderate Characteristic Hydrology and Vegetative Diversity High/ Moderate Moderate Flood/Stormwater Attenuation* - Not Applicable Commericial use* High Moderate Downstream Water Quality* - The critical function that caused this wetland to rank as Manage 1 was Maintenance of Characteristic Fish Habitat Details of the formula for this action are shown below: Maintenance of Characteristic Fish Habitat [Q46*2)+Q24+Q18+Q20R+Q28+Q30+Q31+Q33R]/ 9 Question Va/ue Description 18 0.5 Sediment delivery 20 0.5 Stormwater runoff 24 0.625 Adjacent area Management 28 0.5 Nutrient loading 30 1 Shoreline rooted vegetation (%cover) 31 0.1 Shoreline wetland in-water width 33 1 Shoreline erosion potential 46 1 Fish habitat quality *The classification value settings for these functions are not adjustable Management Classi�cation Report for Thomas Bren Homes 475 Oxford Road ID: 1 HENNEPIN County Mississippi(Metro) Watershed,#20 Corps Bank Service Area 7 This report was printed on: Thursday, May 23, 2013 *The classification value settings for these functions are not adjustable MnRAM Site Assessment Report Thursday, May 23, 2013 Wetland: Thomas Bren Homes Project: 475 Oxford Road Wetland ID: 1, Township 117, Section 5, Range 23 HENNEPIN County, Mississippi (Metro)Watershed, Upper Minnehaha Creek Subwatershed, Corps Bank Service Area#7 Assessment Purpose: Planning Site conditions were Normal. This wetland is estimated to cover 0.1 acres. This report reflects conditions on the ground at the date of the assessment and, unless noted or implicit in the standard questions, does not reflect speculation on the future or past conditions. This wetland is located in or near the city of Orono General Features Hydrogeomorpho/ogy The maximum water depth at this site is 6 inches, with 40 percent inundated. With an immedidate drainage area of 2 acres, it is doubtful that this wetland is sustainable given its small catchment area. As a Lacustrine Fringe wetland, this site located at the edge of deepwater areas and may be considered shoreland. As such, it protects from possible erosive wave effects and may be used as a spawning area for fish. This wetland has been drained or altered 0%from its original size of 0.1 acres. Soi/s The soils in the immediate wetland area are primarily Muskego muck. The adjacent upland, to about 500 feet, is Tadkee, Hamel. Vegetation and Uqland Buffer The extent of vegetation in this wetland is about 30 percent and the naturalized buffer width averages 15 feet. Vegetated buffers around wetlands provide multiple benefits including wildlife habitat, erosion protection, and a reduction in surFace water runoff. This buffer provides very little, if any, protection of water quality or habitat for wildlife. As a shoreline wetland, this site has the potential to protect from erosion and provide spawning and nursery habitat for fish and wildlife. Wetlands located in areas with strong currents and wave action have the greatest potential for protecting shoreline. Shorelines composed of sandy or erodible soils will benefit the most from shoreline wetland protection. Special Features K Local Shoreland Management Plan area. L State Coastal Zone or Shoreland Management Plan area. Page 1 of 4 M Shoreland area identified in a zoning ordinance. N Floodplain area identified in a zoning ordinance or map. VeQetative Communities The following plant communities were observed: (See Appendix A for details on the Dominant Species per plant community) Shallow Marsh Type 3, PEMC. This community had a vegetative index of low and comprised 0 percent of the entire area. Functional RatinQs Function Rating Comment Vegetative Diversity Low If vegetation is present, the primary communities are compromised by extensive invasive and/or non-native species. Ongoing maintenance will be necessary to restore native ecologic communities, although the presence of invasives upstream will limit the success of restoration efforts. Additional stormwater Moderate Sediment removal would improve the ability of this site to maintain water treatment needs quality. Maintenance of Moderate There has been some degree of human alteration of the wetland Hydrologic Regime hydrology, either by outlet control or by altering immediate watershed conditions. However, the wetland retains some of the hydrologic regime similar to the original wetland type, either in part of the wetland or overall to some extent. Because of the interference (whether active or inadvertant), some characteristic vegetative communities have likely been affected, as also have the functions of flood attenuation, water quality and groundwater interaction. Flood/Stormwater/Att Moderate The wetland provides some flood storage and/or flood wave enuation attenuation. It may have either an altered or unrestricted outlet, disturbed wetland soils, thin or little emergent vegetation (with channels) or it may be situated high in a watershed with a low proportion of impervious surfaces, moderate runoff volumes, loamy upland soils, and one or more other wetlands present within the subwatershed. Downstream Water Moderate This wetland has some ability and opportunity to protect downstream Quality resources. The ability of the wetland to remove sediment from stormwater is determined by emergent vegetation and overland flow characteristics. A high nutrient removal rating indicates dense vegetation and sheet flow to maximize nutrient uptake and residence time within the wetland. The opportunity for a wetland to protect a valuable water resource diminishes with distance from the wetland so wetlands with valuable waters within 0.5 miles downstream have the greatest opportunity to provide protection, as do those that receive more (and less-treated) runoff. Page 2 of 4 Maintenance of Moderate Wetland water quality is average. Sediment removal from incoming Wetland Water water would benefit the site. Also consider reducing the amount of Quality stormwater directed at the site. Sustaining a diverse wetland may require additional control over upland land use and the buffer. Shoreline Protection Moderate This fringe site provides some protection against erosive action. Reducing the amount of buffer that is manicured would further protect the adjacent water resource, as would increasing the buffer width. Maintenance of Moderate The site provides good habitat and is relatively accessible to wildlife, Characteristic although it may be somewhat isolated on the landscape and lack the Wildlife Habitat rich vegetative community and complex structure that would support a Structure wider range of wildlife. Maintenance of High The site has a direct connection to spawning or nursery habitat, or may Characteristic Fish provide refuge or shade for native species of fish. Low amounts of Habitat sediment mean that eggs are not smothered; good water quality supports fish health. Maintenance of Low Predatory fish are always present and winter habitat unsuitable as site Characteristic often freezes to the bottom. High inputs of untreated stormwater or Amphibian Habitat unfiltered runoff contribute to poor water quality and reproductive conditions. Aesthetics/Recreation Moderate Many wetlands are visible from nearby buildings or roads and are /Education/Cultural accessible for some recreational activities. Excess negative human influence(such as trash or alteration)will reduce the ranking of well- used and highly-accessible sites. Wetland restoration Not Because restoration would affect permanent structures or infrastructure potential Applicable (houses, roads, septic systems), this site is not suitable for restoration. Wetland Sensitivity to Moderate This wetland is moderately sensitive to stormwater; Floodplain forests, Stormwater and fresh wet meadows dominated by reed canary grass, shallow and deep Urban Development marshes dominated by cattail, reed canary grass, giant reed or purple loosestrife, and shallow, open water communities with low to moderate vegetative diversity. Page 3 of 4 Appendix A: Dominant Sqecies By Plant Community Wetland Type Plant Community Dominant Species Percent Cover PEMC Type 3 Shallow Marsh Reed canary grass 50 Red-osier dogwood 10 Narrow-leaved cattail 40 Page 4 of 4 MnRAM: Site Response Record For Wetland: Thomas Bren Homes Location: 27-117-23-05-001 475 Oxford Road Plant Community: Shallow Marsh Adjacen�areu slope Cowardin Classification: Circular 39: ?6-A Gentle 0% Groundwater-specific yuestions PEMC Type 3 76_B Moderate 100% S�g Wetland soils Discharge 7(-C' Steep Oo�o Sy Subwatershed[and use Recharge ¢ Listed,rare,specia!species? I No (�Q Wetland size/soi!group ReCha�ge � S Rare communiry or ha6rtat? � No I �j/ Wetlund hydroperiod ReCharge � � 2� Downstream sens./WQ protect. � B (�? lnlet/Oa�tlet configuration Recharge 6 Pre-Europenn-sett[ement eondirion: No I �8 Nutrient[oading I g (�3 Upland topo relie( DiSCharge Hydrogeomorphology//opography: � Lacustrine Additional informafion 7y Shoreline wetland? Yes (�j Restoration potentinl No $_f Maximum water depth 6 inChes Shoreline Wetland 65 LO ajJ'ected by restoration �_2 %inundaled 40% 3�� Rooted veg.,%cover 100% y /mmedinte drainage--local WS 2 acres 31 Wetland in-water width 5 feet 66 Existing size 0.1 l0 Esimaled si=e%xisting site: (see#66) 3� Emerg.veg.erosion resistanee B Restorable size � 33 Erosion potentia[o/'site C Poten�ial new wedand ' 0 /1-Up/andSorl Tadkee,Hamel �-- 34 Ups[ope veg./bank proteetion C 1/-Wet[rmr!Soil Muskego muck (� Average width oJ'pot.bu/�er 0 feet 3S Rare wi(dli%e? N� Ease o/potentrn!restoration 68 36 Scare/Rnre/Sl/S2 communiry No �� yy�(rologic alteratrons 0 37 Vegetative eover C �n Potentia!wetland Npe 0 �, jg Veg.communityinterspersion NA �/ Smrmwatersensrtiriry B 12 Outletforfloodcontro! � NA � ,j9 Wetlnnd detri[us B �� Additiona/treatmentneeds B j j Outletjor hvdro regime I A ' ¢Q /nterspersion on landscape B 14 Dominant upland land use I B I B Watershed Mississippi(Metro) 41 Wildlif'e barriers 1 S Wetland soil condition I B WS# 20 Service Area: 7 j 6 Vegetation(%cover) I 30% , Amphibian-breedingpotentia! Forfunctional ratings, please run the j� Emerg.vegflood resistance �, SUf711T1a tab re Oft. ¢� Hydroperiod adequacy Adequate rY P lg Sedimenr delivery B -- -- This report printed on: 5/23/2013 �— 43 Fish presence � ]9 Upland soils(soil group) � 44 �'erwintering habitat �C 2 p Stormwater runo/J C 21 Subwatershed wedand densrry C 4S Wildlife species(list) None 22 Channels/sheet Jlow �A 46 Fish habitat yun(iry � �— ¢� Fish species(list) 23 Adjacent bi ffer width 15 feet 4�y Unique/rare opportuniry No Adjaeent area management 4y Wetlnnri visibi/iry � 24-A Full I25% � 511 Proximiry to pop�dation f No 7Q_B Manicured I75% ` j/ Public ownership I C 7q-C Bare I 0% S? Public access � Adjacenl area diversity/structure Human in/luence on wetland � 53 25-A Nati>>e I 5% ' jQ Humnn in/luence on viewshed I B 2J-B Mixed I 10%I SS Spatinl bujfer � 2J-C Sparse 85% 56 Recrentionnlactivirypotentia! C 5] Commercia!crop--hydro impact NA WQtla�Zd�i'unL,tl��Zal ASSessj�Ze/Zt�'uhZNZa�,•y Maintenance Maintenance of Flood/ Downstreum of Wetland H�•dro%gic Stormnwter/ Water Water Shnreline W"etland Name Hpdrogeanorpholo�' Regime Attenuution Qualily Quulif}' P�rorection Thomas Bren Homes Lacustrine Fringe(edge of deepwater areas)/Shoreland 0.63 0.49 0.48 0.34 0.36 Moderate Moderate Moderate Moderate Moderate Additional In formation Mainleitance of Maintenance of AesYhetics/ W'etlund Sensitivity Addilionu! Characteristic ,M1lnintenunce of Choracteristic Recreution/ Ground- N etlund lo Slormwater Slormwuler 11'i!dlife Hubitut Chururteristir Amphibiun Edueution/ N'ater Restorution nnd L�rbun Trealmenl Wetlund Nanae S�nrcture Fish Hubitat Hubitat Cuhural Commercia!C'ses /n�eraction Potentia! Development h'eeds Thomas Bren Homes 0.38 0.69 0.15 0.36 0.00 Combination 0.00 0.10 0.34 Discharge, Recharge Moderate High Low Moderate Not Applicable Not Applicable Moderate Moderate Wetland Community Su»z�za�y Vegetative Diversity/Integrity Comnzu��ily Weiglzted Individual Highest Average Averuge Cowardin Cireular P/unt N'etla�td Com�nunity Wedm�d Wet/and Wetlund Wedu�rd/Vante Location Classificution 39 Coirtmu�tity Proportion Ruting Rati�rg ' Ruti�tg Ruting — - _ _ _ __ Thomas Bren Homes 27-117-23-05-001 PEMC Type 3 Shallow Marsh 0 0.1 0.10 0.10 0.00 , Low Low Not Applicable _ --0.10 0.10 ---} ---0.0� ❑ Q Denotes ineomplete calculation datu. Thursday,May 23,2013 Page 1 of 1 APPENDIX F Credentials / ANDERSON /� � ENGINEERING MINNEAP�)Li5 I.1tkNESOIA . TAhdPA FLC)RI()A Anderson Engineering of Minnesota,LLC.13605 1st Avenue North,Suite 100.Plymouth,Minnesota 55441 .(763)412-4000 Main.(763)412-4090 Fax.www.ae-mn.com BENJAMIN J. HODAPP, PWS Environmental Services Manager Professional Wetland Scientist#1832 MN CeRified Wetland Delineator#1016 Experience Summary: Education: Benjamin Hodapp, a Biologist and Project Manager, brings a broad background MS Water Resources Management of knowledge and experience in the natural resource field to the Anderson University of Wisconsin-Madison Engineering team. Benjamin has a unique combination of biologic training and field skills in addition to working experience at various levels of government BS Biology; Ecology (NRCS, FSA, University of MN Extension, Watonwan County Soil and Water Minnesota State University-Mankato Conservation District and Watonwan County Environmental Services). Benjamin's project experience includes natural resource inventory, wetland Specialized Training: determinations,delineations, mitigation design and monitoring, regulatory permit Wetland Delineation&Management Training applications, wetland functions and values assessments, flood plain analysis, Richard Chinn Environmental Training, Inc. ordinary high water determinations, aerial photo interpretation. Benjamin has wetland Plant Identification training and experience with Global Positioning Systems(GPS)and Geographic Biotic Consultants Inc. Information Systems(GIS). Plant Identification for Wetland Delineation Representative Projects: University of Wisconsin-La Crosse . Farmed Wetland Determination Inventory - USDA NRCS — Various Watershed Academy Web Certificate Counties, ND: Project manager and field crew chief for farmed wetland United States Environmental Protection Agency determination inventory project within three counties in North Dakota. Project tasks included project management oversight of all supporting staff, providing point of contact services for the NRCS, coordinating site visits with Professional Associations: participating landowners, supervision of field staff during data collection, and Society of Wetland Scientists quality control of deliverables sent to the NRCS. MN Wetland Professionals Association(WPA) MN WPA President 2010 . Wetland DelineationlAssessment — Northern Natural Gas — Dakota wisconsin Wetlands Association County and Freeborn County, MN & Worth County, IA: Project manager Minnesota Native Plant Society and field crew chief for wetland determinations, boundary delineations and Ecological Society of America threatened and endangered species habitat assessments for three proposed natural gas line corridors located in lowa and Minnesota. Project tasks and Total Years of Experience: included project management oversight of all supporting staff, providing point 13 years of contact services for client, supervising field staff in completion of a wetland investigations and habitat assessments, and quality control of deliverables sent to Northern Natural Gas. Years with Current Firm: 2004 to Present • Wetland Delineation/Assessment— Northern Natural Gas— Redfield, IA: Project manager and field crew chief for wetland determinations, boundary delineations and threatened and endangered species habitat assessments for Selected Publications: 20 miles of proposed natural gas line corridors and 1,000 acres of proposed The Future of Rowan Creek Watershed: natural gas well pads. Project tasks and included project management Connecting Land Use and Management with oversight of all supporting staff, providing point of contact services for client, Water C?uality. 2003. water resources supervising field staff in completion of a wetland investigations and habitat nnanagement Workshop 2002 Gaylord Nelson assessments, and quality control of deliverables sent to Northern Natural Institute for Environmental Studies, University of Gas. Wisconsin,Madison. The Tumultuous World of Drainage Districts: An • Section 401I404 Wetland Permitting— Fort McCoy Commemorative Park Analysis of Existing Management Arrangements, Expansion — Fort McCoy, WI: Provided project management services for with Recommendations. Woricing Paper Series Section 401/404 permitting associated with proposed wetland impacts 2002-1. Water Resources Institutions and resulting from the Commemorative Park Expansion Project at the Fort McCoy Policies, Department of Urban and Regional U.S. Army installation. Project tasks included project management of Planning, Universityofwisconsin, Madison. supporting staff, providing point of contact services for the U.S. Army, developing a wetland mitigation strategy in compliance with Section 401/404 and state wetland permitting requirements and oversight and quality control in preparing Section 401/404 permit application A Service-Disabled Yeteran•Owned Small Business Civil Engineering . Architecture . Land Surveying . Environmental Services . Landscape Architecture / ' ANDERSON /� � ENGINEERING MIN NC.APO(.IS Ftt N Nf SO TA . i AF.7 PA F LOR If>0. Anderson Engineering of Minnesota,LLC. 13605 1st Avenue North,Suite 100.Plymouth,Minnesota 55441 .(763)412-4000 Main.(763)412-4090 Fax.www.ae-mn.com MARC COTTINGHAM, CPESC Environmental Services Consultant Certified Professional in Erosion and Sediment Control#4491 MN Certified Wetland Delineator#1207 Experience Summary: Education: Marc Cottingham, an Environmental Scientist, has over twelve years of MS Water Resources Management professional experience completing wetland delineation/investigations. Prior University of Wisconsin-Madison to his employment with Anderson Engineering of MN, LLC, Marc worked as a wetland consultant in Illinois. The skills Marc has developed through his BS Soil Science educational background and years of experience as a wetland/environmental University of Wisconsin-Madison consultant give him a firm understanding of each of the wetland indicators. Marc is able to correctly and thoroughly identify and delineate each wetland type within the Midwestern United States, including disturbed and problematic Specialized Training: wetlands. Using the Midwest Interim Regional Supplement for Wetland Delineation, Illinois Soil Classifiers Marc's project experience includes wetland determinations, delineations, Association, February 27,2009 collection of wetland data using the data forms provided in the U.S. Army Certified Professional in Erosion and Sediment Corps of Engineers (USACE) Regional Supplement(s)to the 1987 Delineation Control,March 13,2008 Manual, farmed wetland assessments using the protocol established by the USDA and USACE for purposes of the Food Security Act, wetland mitigation Railroad Right-of-Way Contractor Orientation design, wetland mitigation monitoring and maintenance, water resource Course Certification,April 11,2007 regulatory permit applications, wetland functions and values assessments, Designated Erosion Control Inspector,Lake natural resource inventories, watershed assessments, and aerial photo County,IL,March 22,2007 interpretation. Marc has training and experience with Global Positioning Systems(GPS)and Geographic Information Systems(GIS). Certified Wetland Specialist,Lake County, IL, February 7,200� Representative Projects Illinois Department of Agriculture Herbicide • Wettand Delineation/Assessment — Northern Natural Gas — Dakota Applicator License,June,2006 County and Freeborn County, MN & Worth County, IA: Services included wetland determinations, boundary delineations and threatened Wetland Plant Identification,Biotic Consultants,Inc. and endangered species habitat assessments for three proposed natural June 4,4004 gas line corridors located in lowa and Minnesota. Project tasks included completion of wetland boundary investigations following the 1987 USACE Federally Licensed Wetland Delineator Certification Wetland Manual and all appropriate Regional Supplements; classification Training, Richard Chinn Environmental Training, of the wetland habitat types based on soil profiles, dominant vegetative Inc.,August,2004 communities and hydrology indicators, completion of a habitat assessment for native tall grass prairie for potential occurrence of the Professional Associations: federally listed prairie bush clover (Lespedeza leptostachya), and Illinois Environmental Professionals Association preparation of a comprehensive wetland delineation report documenting Soil Science Society of America the findings. Environmental Consulting Professionals MN Wetland Professionals Association • Farmed Wetland Determination Inventory — USDA NRCS — Various Society of Wetland Scientists Counties, ND: Field crew chief for farmed wetland determination inventory project within three counties in North Dakota. Project tasks included Total Years of Experience: collecting field data following the procedures of the USACE and USDA, 12 years supervision of supporting field staff, and preparation of deliverables to the Years with Current Firm: NRCS. 2009 to Present . Wetland Delineation/Assessment — Fort McCoy Alderwood Dam SeleCted Publications: Removal — Fort McCoy, WI: Services included a wetland determination Innovating Stormwater Management on the and delineation of wetland associated with a proposed dam removal project University of Wisconsin-Madison Campus. 2003. at the Fort McCoy U.S. Army installation. Project tasks included completion Water resources Management Workshop 2003 of a wetland delineation following the 1987 USACE Wetland Manual and the Gaylord Nelson Institute for Environmental Midwest Regional Supplement and preparation of the wetland delineation Studies,University of Wisconsin,Madison. report to document findings and help assess potential wetland impacts for Section 401/404 permitting, A Service•Disabled Veteran•Owned Small Business Civil Engineering . Architecture • Land Surveying . Environmental Services . Landscape Architecture /.. � ANDERSON �! :�. ENGINEERING MINNI�APOII'; lriINNE:C77A . THI.9PH GIORIDA Anderson Engineering of Minnesota,LLC. 13605 t st Avenue North,Suite 100.Plymouth,Minnesota 55441 .(763)412-4000 Main.(763)412-4090 Fax.www.ae-mn.com KRISTINA A. JUSTEN Environmental Associate Education: Experience Summary: BS eiology Kristina Justen, an Environmental Associate, brings a range of knowledge and University of Wisconsin-River Falls experience in the field of biological monitoring to the Anderson Engineering team. Prior to her employment with Anderson Engineering of MN, LLC, Kristina worked as a wetland technician for the Minnesota Pollution Control Agency. Specialized Training The skills Kristina has developed through her educational background and Certified in Stream Electrofishing experience as a wetland technician make her proficient in assessing and WI DNR,April 2010 addressing a range of natural resource issues, and clearly communicating solutions to clients and various regulatory agencies. Professional Associations: MN Wetland Professionals Association Kristina's project experience includes natural resource inventory, watershed assessments, biologic assessments, Threatened and Endangered Species analysis, NEPA project management and document preparation, wetland Total Years Experience: determinations, delineations, mitigation design and monitoring, regulatory permit 4 years applications, wetland functions and values assessments, flood plain analysis, ordinary high water determinations,wetland macroinvertebrate sampling, Floristic Quality Assessments, Total Maximum Daily Load (TMDL) investigation, and Years with Current Firm: aerial photo interpretation. Kristina has experience with Global Positioning 2010 to Present Systems(GPS), remote sensing,and Geographic Information Systems(GIS). Representative Projects: • Wetland DelineationlAssessment — Northern Natural Gas — Dakota County and F�eeborn County, MN & Worth County, IA: Services included wetland determinations, boundary delineations and threatened and endangered species habitat assessments for three proposed natural gas line corridors located in lowa and Minnesota. Project tasks included completion of wetland boundary investigations following the 1987 United States Army Corps of Engineers Wetland Manual and all appropriate Regional Supplements; classification of the wetland habitat types, and collection of data using a GPS unit. • Farmed Wetland Determination Inventory — USDA NRCS — Various Counties, ND: Services included completion of a farmed wetland determination inventory project within three counties in North Dakota. Project tasks included collecting field data following the procedures of the USACE and USDA, collection of data using GPS unit,and preparation of deliverables to the NRCS. • Section 401/404 Wetland Permitting — Fort McCoy Commemorative Park Expansion — Fort McCoy, WI: Services included a Section 401/404 wetland permitting associated with proposed wetland impacts associated with the Commemorative Park Expansion Project at the Fort McCoy US. Army installation. Project tasks included completion of a functional wetland assessment of the impacted wetland to assist in developing a mitigation strategy, on-site data collection using a GPS unit, and preparation of the Section 401/404 permit application A Service-Disabled Veteran•Owned Small Business Civil Engineering . Architecture • Land Surveying . Environmental Services • Landscape Architecture