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Home My WebLink About11-07-2017 Soil & Percolation Testing36 GPM 28 Feet TDH City of Orono Septic Plan Review Reviewer: 10 X 63 Rock Bed �%'�. All work shall be done in full compliance with all applicable septic and zoning code. 5 Bedroom Joseph Olson D.B.A. Rusty Olson's--Soil and Percolation Testing Joseph J. Olson--MPCA License # 810 11481 Riverview Rd. NE, Hanover, MN 55341 (763) 498-8779 Fax (763) 498-8290 November 7, 2017 Norton Homes 680 Pinehurst Court Orono, Hennepin County This on-site Sewage Treatment System is designed for a Type 1 five -bedroom home in accordance with the Minnesota Pollution Control Agency Chapter 7080 and local ordinances. The periodically saturated soils were located at 12-22 inches (mottled soil). Due to the periodically saturated soils, a pressurized mound system with 6 inches of rock will need to be installed to treat the septic effluent. The bottom of the treatment area must be located at least 3' above the saturated soils. This system is designed with 6 inches of rock. The future site is dual rock beds using gate valves for unlevel pressure distribution. All neighboring wells are greater than 100' from proposed treatment areas. The soils at a depth of 12" have a percolation rate averaging 12 MPI. A 2250 -gallon combination septic tank needs to be installed. All new tanks need to be insulated if there is less than two feet of cover over the top of the tanks. Clean outs must be installed on the end of the laterals for maintenance. A 1300 -gallon pumping chamber will need to be installed to lift the effluent to the treatment area. The power supply and switches must be located outside the manhole and pumping chamber in a weatherproof enclosure. A warning device must be installed with light and sound devices; this is in case of a pump failure. A flow measurement device must be installed. Including but not limited to a water meter, event counter, running time clocks or electronically controlled dosing. Nothing other than gray water, (laundry, showers, etc.) Human water and toilet tissue should be disposed of into the septic tanks. Garbage disposals are not recommended. Additives must not be used; they may cause harmful damage to your septic system. It is recommended that you pump the tank every year for 1 septic tank, every two years for two septic tanks, Sincerel r, Joseph J. Olson 111 P � ® w vv•9. N01°55'06"'2 - 4tL_C. i t28.07 49 a a w w I Os W x SN K I l = x + m _ BSBL 959E lo, L" I m x x S v SLP O Wco k w ®m Oka 1 1O !! ' N 6Oo 1 r ^ice' +^+ � i' �N � m � m ,J A✓) cu En 04 os- � � m o = i ' � ,I 5' ^ �r.s �iy op .�' 4g �m' r a �� \ � a •. � V w mQ°/ ru � a r � � rn •\ o •�Gq O 26 �' •,o , .� cn °,..§' � o �� \ -. or17 �� tS• r OG ZSL6 a •t9� - g90 xw /$ �'�,r "° ca tr m ozV _ ix k St N 4 f N16°,36,5-_;_ -� —, _ � �\�"�"° / e E 166 FHD 81P A C rir AV _10 b M Lp I �� *� 0 P ap J mm bi w )4w 00 t J� S 4f,AA { t ray J� S y yyJJ { s �a ray 2011 purplecode Mound Design www.5epticResource.cam (vers 15.2) Property Owner: Norton Homes Site Address: 680 Pinehurst Court Date: 11/7/2017 PID: 0611723330015 Comments: Primary site instructions: = = enter data = adjust if desired = computer calculated - DO NOT CHANGE! 1) =bedroom Type �I Residential System 2) 750 GPD design flow 3) F Yes Garbage disposal or pumped to septic 50% larger tank with multiple comp/tanks 4) 2250 Gal Septic tank (code minimum) 2250 Gal Septic tank (design size / LUG req'd) Tank options: none s) 1.2 GPD/ft2 mound sand loading rate contour loading rate of 12 req's a min 62.5 ft. long rockbed 6) 10.0 ft rockbed width 63.0 ft rockbed length 7) 3.0 ft lateral spacing 3.0 ft perforation spacing (maximum of 3 for both) end feed manifold connection 8) 737taterals 61.0 feet long 21.0 perfs / lateral 63 perfs total (1 /2 a pert means the first perf starts at the middle feed manifold) 9) 7/32 inch perfs at =feet residual head gives 0.56 gpm flow rate per perforation for this perf size Et spacing, Et pipe size on line 12, max perfs/lateral = 30 line #8 must be less > OK 10) 4.0 doses per day { 4 minimum) 11) 188 gallons per dose (treatment volume) 2.00 5x 12) 2.00 inch diameter laterals must be used to meet 'Ax pipe volume" requirement 2.00 3x 131 150 feet of =inch supply Line leads to =gallons of drainback volume (Tip: "top feed" manifold to control the drainback) 14) 214 gallons TOTAL pump out volume (treatment + drainback) 15) 16 feet vertical lift from pump to mound laterals, leads to a: 16) 36 GPM C =feet of head, Pump requirement (note: >50gpm may require an extra 3-6' of head) ») 750 gal Dose tank (code minimum) 1300 gal Dose tank (design size !LUG req'd) at 25.49 gpi Leads to a 18) 8.4 inch swing on Demand float, or timed dosing ofPqhrs .9 min ON (confirm pump rate with drawdown (this delivers Average flow, =70% of Peak design flow) OFF test and adjust as necessary) i9) 12 inches from bottom of tank to "Pump OFF" float 20) 20 inches from bottom of tank to "Pump ON" f[oat, or 12 inches to "Timer ON" float if time dosed 21) 23 inches from bottom of tank to "Hi Level" float, or 33 inches to "Hi Level" float if time dosed 22) F 714 gallons reserve capacity (after High Level Alarm is activated) M 0.45 gpd/ft2 Absorption area Soil Loading Rate, which gives a mound ratio of2.7 (minimum) (this must match the soil boring log) desired mound ratio 2.7 =percent site slope (0-20% range) = (% downslope site slope, if different than upslope) =inches, or 1.2 ft. to Redox or other limiting condition (need at least 12" to be a Type 1) Treatment zone contains=inches of 0% soil credit, and =inches of 50% soil credit. Giving a: 22 inch, or 1.8 ft. Sand Lift Mound CRITICAL FOR FUTURE CERTIFICATIONS!!! 27.0 ft.Total ABSORPTION width (with sand beyond rockbed as follows:) F0 ft. upslope and sideslope i�7.0ft. Downslope Individual slope ratios give BERM widths (topsoil beyond rockbed) of: 4:1 upslope ratioIfli't. ft, upslope berm 3:1 sideslope ft. sideslope berms 4:1 downslope downslope berm Overall Dimensions: 10.0 ft. wide by 63.0 ft. long Rock bed B45 ft. wide by 89 ft. long Mound footprint Upslope berm = 1 1.8 II 4" inspection pipe r— 18" cover on top Clean sand lift 1.2Depth to Limiting Lirn?ting Condition ----------_— — Absorption Width rrn 1 22 12" cover on sides (6" loamy cap & 6" topsoil) 27.0 — — — — `—I -- Note: For O to 1% slopes, Absorption Width is measured from the Bedequally in both directions. For slopes >1%, A,6sorptio17 Wdth is measured downhill from the upslope edge of the zed. Rock Bed: 10.0 ft. by 63.0 ft. by inches under pipe, plus 20% gives =yd' or *1.4= 29 ton Mound Sand: (note: volume is based on 3:1/4:1 slope from top of rockbed, Exchange sand for loamy cap if desired) 40.1 up +83.3 downslope + 12.3 ends +48.6 under rock = F221 yd' or *1.4= F310 tan plus 20% Loamy Cap: =ft. by 85 ft. 6" deep, plus 20% gives 78 yd' or *1.4= =ton Topsoil: 45 Ift. by F 89 ft. 6" deep, plus 20% gives 7897yd' or *1.4= F125 ton [ hereby ce�ify that I have completed this work in accordance with all applicable ordinances, rules and laws. Rusty Olson"s Soil Et Perc 810 11/7/2017 Signature Company License# Date Installer Summary 2250 gallon Septic tank (minimum) Tank options: none :)u7o Larger SanK wILn rnutLrpte comptLanKs 1300 gallon Dose tank (minimum) at 25.49 gpi 36 GPM @ =ft. of head, Pump required 8.4 1 inch swing on Demand float which translates to roughly 5.2 inches of float tether length if time dosing is required --y5.9 minutes ON time It ®hours OFF time 20 inches from bottom of tank to "pump ON" float, or 12 inches to "timer ON" float 23 inches from bottom of tank to "Hi Level Alarm" or 1 33 1 inches to "Hi level alarm" if time dosed 150 ft. of 2.0 inch supply line with end feed manifold connection (Tip: "top feed" manifold to control drainback) 22 inch, or 1.8 ft. Sand Lift Mound 10.0 ft. wide by 63.0 ft. long Rock bed 3 laterals 2.00 inch diameter E611.0ft. long F3.0ft. lateral spacing 7/32 inch perfs 3.0 ft. perforation spacing No Effluent filter Et alarm =clean out Et valve box assemblies 27.0 ft.Total sand ABSORPTION width (minimum) 0.0 ft. upslope and sideslope (sand beyond rockbed, minimum) 17.0 ft. Downslope (sand beyond rockbed, minimum) Specific slope ratios give BERM widths (topsoil beyond rockbed) of: 4;1 upslope ratio 13 ft. upslope berm 3:1sideslope 13 jft. sideslope berms 4:1 downslope 1 22 Ift. downslope berm 4" inspection pipe 18" cover on top Upslope berm =.I T 1� is Downslope berm 22 12" cover on sides (6" loamy cap &. 6" topsoil) 1.8 11 Clean sand lift Depth to Limiting L117T71 ng Condition — ------_------ Absorption Width----.__y—.- Note: For 0 to 1% slopes, A6sorotion Width is measured from the Bedequally in both directions. For slopes >1%, Absorption Widthis measured downhill from the upslope eche of the Bed. Rock Bed: 21.0 yd or "*1.4= 29 ton 6 inches under pipe Mound Sand: 221 yd3 or `1.4= 310 ton calculation based on 3:1/4:1 slope from top of rockbe+ Loamy Cap: 78 yd or "1.4= 109 ton 6" deep Topsoil: 89 yd or "1.4= 125 ton 6" deep INSPECTOR CHECKLIST - mound 68U Pinehurst Court ElWELL setbacks- 20' to pressure tested sewer line (5 psi for 15 min) 50' to everything 100' to dispersal area with shallow well PROPERTY LINES setback: 10' to everything Road setback: platted: 10' prop line. Metes Et bounds: out of road easement, or outer ditch. LAKE! BLUFF setback: 20' for bluff. Lakes: GD RD _, NE _. Protected wetland . Building setbacks: 10' for everything, 20' for dispersal area. WATER LINE under pressure se 10' to bed,tank Et sewer line. (else sewer line > 12" below) FSewer line Et baffle connection (no 90's, T between 45's, slope min 1" in 8', max 2" in 8') (no depth req's, clean out every 100', Sch 40 pipe) ❑ Septic tank and risers (water tight, insulated, proper depth, existing verified by pumping) mfg 2250 gallons none Riser over outlet, riser over inlet or center, and 6"+ inspection pipe over any remaining baffles. No effluent filter Ft alarm Dose tank risers and piping (water tight, insulated, proper depth, drainback) Mfg 1300 gallons i IN dose pump 36 gpm 28 head VERIFY PUMP CURVE 5.9 min ON 9 hr OFF float setting drop 8.4 inches at 25.5 gpi "DESIGNED" 5.2 inches approx float tether length 214.0 gal dose divided by gpi "INSTALLED" o inches float drop (field corrected LABEL pump requirements and drawdown on riser or panel Cam lock reachable from grade - 30" max. J -hook weep hole. Supply line access (no hard 90's) 2.0 inch supply pipe: Sch40, sloped 1/8"+, supported by 4" sch40 sleeve or compacted, and buried 6"+. splice box / control panel / electrical connections flow measurement: CT, ETM, time dosed, home water meter mound absorption area rough up mound rock dimensions 10.0 X 63.0 Sand lift depth 22 inches. (Jar test : 2" sand leaves < 1 /8" silt after 30 min) Absorption Sand beyond rock 0.0 upslope Bermed topsoil beyond rockbed 13 upslope cover depth of 12-18"+ VERIFY 3 laterals (1-2' from edge of rock) 2.00 inch pipe size (Sch40 pipe Et fittings) 3.0 ft lateral spacing 7132 inch perforations 3.0 ft perforation spacing 17.0 downslope 13 sideslope 22 downslope Air inlet at end of laterals, and at top feed manifold if necessary. VERIFY clean outs (no hard 90's) 4" inspection pipe to bottom of rock, anchored VERIFY Abandon existing system - if necessary monitoring plan and type well abandonment form - if necessary =Re -use existing tank certification r d L Y Y Y c c ti 0 CL 0 CL � � N G � G fp H I ctOi i �° I— �1 6 0- 4 n L C IY R.�� P d L � Y c c ti w CL � � N G � G fp H V 6 0- 4 n L C IY R.�� P ti c c ti w � � N G � G fp H V •` qCL 11'1 6 0- 4 n L C IY R.�� P Logs of Soil Borings License #810 Location or Project: Lot 16, Blk 1 Borings made by: Rusty Olson's Soil and Perc testing 6/1/2014 Classification System: AASHO ; USDS- USDS-SCS X ; Unified ; Other Auger used (check two): Hand _X_, or Power , Flight, Bucket or Probe _X_ Boring Number –1— Surface elevation _971.7 Mottled Soil at_1.3_feet 0""-8" Dark brown loam 10yr3/2 H2O present at –X- 8"-16" Brown loam 10yr5/4 16"-22" Rusty brown loam 10yr514 Boring Number _2_ Surface elevation _971.8 Mottled Soil at 1.2 feet 0""-8° Dark brown loam 10yr3/2 H2O present at _X T-14° Brown loam 10yr4/4 14"-20" Rusty brown loam 10yr5/3 Boring Number —3— Surface elevation _973.3 Mottled Soil at _1.0 feet 0""-6° Dark brown loam 10yr4/2 H2O present at —X- 6"-12" Brown loam 10yr5/4 12"-18" Rusty brown loam to clay loam 10yr5/4 Boring Number_4 Surface elevation _973.2 Mottled Soil at _1.2_ feet 0""-6° Dark brown loam 10yr4/2 H2O present at —X- 6"-14" Brown loam 10yr5/4 14"°-20" Rusty brown loam to clay loam 10yr5/4 Boring Number 5_ Surface elevation 971.0 Mottled Soil at – 1.2 feet 0"-8" Dark brown loam 10yr3/2 H2O present at —X- 8"-14" Brown loam 10yr4/4 14"-20" Rusty brawn loam 10yr5/3 Boring Number ^6— Surface elevation _973.3 Mottled Soil at-1.0—feet T-6° Dark brown loam 10yr4/2 H2O present at 6""-12" Brown loam 10yr5/4 12"-18" Rusty brown loam to clay loam 10yr5/4 Soil Observation Log www.SepticResource.com vers 12.4 Owner Information Property Owner / project: Norton Homes Date 10/14/2017 Property Address / PID: 680 Pinehurst Court Soil Survey Information ❑ refer to attached soil survey Parent matl's: ❑� Till ❑ Outwash ❑ Lacustrine ❑ Alluvium ❑ Organic ❑ Bedrock landscape position: ❑ summit ❑ Shoulder 0 Side slope ❑ Toe slope soil survey map units: L40B L41 D2 slope 2-9 % direction- Linear Soil Log 47 ❑ Boring ❑ pit Elevation 971.3 Depth to SHWT 16 Inches Depth (in) Texture fragment % matrix color redox color consistence grade shape 0-6 Topsoil <35 10yr3/1 Loose Moderate Blocky 6-16 Clay Loam <35 10yr4/3 Friable Strong Blocky 16-24 Clay Loam <35 10yr5/4 10y4/8,t-6/10y Friable Strong Blocks <35 loose loose single grain 35-50 friable weak granular blocky >50 firm moderate prismatic platy rigid strong massive <35 loose loose single grain 35-50 friable weak granular blocky >50 firm moderate prismatic platy rigid strong massive Comments: 680 Pinehurst Court Soil Log #8 Q Boring ❑ Pit Elevation 971.3 Depth to SHWT 22 Inches Depth (in) Texture fragment % matrix color redox color consistence grade shape 0-12 Topsoil <35 10yr3/1 Loose Moderate Blocky 12-18 Clay Loam <35 10yr4/3 Friable Strong Blocky 18-22 Clay Loam <35 10yr5/4 Friable Strong Blocky 22-30 Clay Loarn <35 10yr5/4 10y4/8,1 -6/10y Firm Strong Blocky <35 loose loose single grain 35 -50 friable weak granular blocky >50 firm moderate prismatic platy rigid strong massive 680 Pinehurst Court Soil Log 49 Q Boring ❑ Pit Elevation 968.9 Depth to SHWT 18 Inches Depth (in) Texture fragment % matrix color redox color consistence grade shape 0-8 Topsoil <35 10yr3/2 Loose Moderate Blocky 8-18 Clay Loam <35 10yr4/3 Friable Strong Blocky 18-24 Clay Loam <35 10yr5/4 10y4/8,1-6/l0y Firm Strong Blocky <35 loose loose single grain 35-50 friable weak granular blocky >50 firm moderate prismatic platy rigid strong massive <35 loose loose single grain 35-50 friable weak granular blocky >50 firm moderate prismatic platy rigid 'strong massive I hereby certify this work was completed in accordance with MN 7080 and any local reqs. Rusty Olson's Soil & Pere. 810 signer Signature Company p Y License # 680 Pinehurst Court Soil Log #10 ❑ Boring ❑ Pit Elevation 968.9 Depth to SHWT 14 Inches Depth (in) Texture fragment % matrix color redox color consistence grade shape 0-6 Topsoil <35 IOvr3/1 Loose Moderate Blocky 6-14 Clay Loam <35 1 Oyr4/3 Friable Strong Blocky 14-24 Clay Loam <35 IOyr5l4 10y4/8,1 -6/10y Friable Strong Blocky <35 loose loose single grain 35-50 friable weak granular blocky >50 firm moderate prismatic platy rigid strong massive <35 loose loose single grain 35-50 friable weak granular blocky >50 fin moderate Prismatic pla p n rigid strong massive 680 Pinehurst Court Soil Log 45 ❑ Boring ❑ Pt Elevation Depth to SHWT Inches Depth (in) Texture fragment % matrix color redox color consistence grade shape <35 loose loose single grain 35-50 friable weak granular blocky >50 firm moderate prismatic platy rigid strong massive <35 loose loose single grain 35-50 friable weak granular blocky >50 firm moderate prismatic platy rigid strong massive <35 loose loose single grain 35-50 friable weak granular blocky >50 firm moderate prismatic platy rigid strong imassive <35 loose loose single grain 35 -50 friable weak granular blocky >Sfl firm moderate prismatic platy rigid strong massive <35 loose loose single gain 35 -50 friable weak granular blocky >50 firm moderate prismatic platy rigid strong massive I hereby certify this work was completed in accordance with MN 7080 and any local reqs. Rusty Olson's Soil & Perc. 810 igner Signature Company License # Percolation Test Data Sheet Lic.#810 Percolating test readings made by: Rusty Olson's Perc. starting at 2:29 P.M. On 7/02/14 Location: Lot 16, Blk 1 Hole number: 1 Date hole was prepared 7/01/14 Depth of hole bottom —12"—inches, Diameter of hole _6"_ inches. Soil data from test hole: Depth, inches 0-8" 8"-12" Soil texture Dark brown loam 10yr3/2 Brown loam 10yr4/4 Method of scratching side wall- Knife Depth of gravel in bottom of hole 2 inches: Date of initial water filling 7/01/14 depth of initial water filling 12 inches above hole bottom. Method used to maintain at least 12 inches of water depth in hole for at least 4 hours Automatic Siphon Maximum water depth above hole bottom during tests 6 inches Time Time Depth Drop in H2O Perc Rate 2:48 3:03 6" 2.3 6.5 3:10 3:25 6" 2.2 6.8 3:26 3:41 6" 2.2 6.8 AVERAGE PERC. RATE 6.7 MPI Percolation Test Data Sheet Lic.#810 Percolating test readings made by: Rusty Olson's Pere. starting at 2:29 P.M. On 7102114 Location: Lot 16, Blit 1 Hole number: 2 Date hole was prepared 7101114 Depth of hole bottom _12"_ inches, Diameter of hole _6"— inches. Soil data from test hole: Depth, inches 0-8" 8'"-12" Soil texture Dark brown loam 10yr3/2 Brown loam 10yr4/4 Method of scratching side wall: Knife Depth of gravel in bottom of hole 2 inches: Date of initial water filling 7/01/14 depth of initial water filling 12 inches above hole bottom. Method used to maintain at least 12 inches of water depth in hole for at least 4 hours Automatic Siphon Maximum water depth above hole bottom during tests 6 inches Time Time Depth Drop in H2O Perc Rate 2:49 3:04 6" 0.9 16.7 3:09 3:24 6" 0.9 16.7 3:27 3:42 6" 0.9 16.7 AVERAGE PERC. RATE 16.7 MPI Percolation Test Data Sheet Lic.#810 Percolating test readings made by: Rusty Olson"s Perc. starting at 2:29 P.M. On 7/02/14 Location: Lot 16, Blk 1 Hole number: 3 Date hole was prepared 7101114 Depth of hole bottom _12"_ Soil data from test hole: Depth, inches 0-8"' 8"-12" inches, Diameter of hole _6"_ inches. Soil texture Dark brown loam 10yr312 Brown loam 10yr414 Method of scratching side wall Knife Depth of gravel in bottom of hole 2 inches: Date of initial water filling 7101/14 depth of initial water filling 12 inches above hole bottom. Method used to maintain at least 12 inches of water depth in hole for at least 4 hours Automatic Siphon Maximum water depth above hole bottom during tests 6 inches Time Time Depth Drop in H2O Perc Rate 2:50 3:05 6" 2.2 6.8 3:08 3:23 6" 2.1 7.2 3:28 3:43 6" 2.1 7.2 AVERAGE PERC. RATE 7.0 MPI Percolation Test Data Sheet Lic.#810 Percolating test readings made by: Rusty Olson's Perc. starting at 2:29 P.M. On 7102114 Location: Lot 16, Blk 1 Hole number: 4 Date hole was prepared 7/01/14 Depth of hole bottom _12"_ inches, Diameter of hole _6"_ inches. Soil data from test hole: Depth, inches 0-8" 8"-12" Soil texture Dark brown loam 10yr3/2 Brown loam 10yr4/4 Method of scratching side wall: Knife Depth of gravel in bottom of hole 2 inches: Date of initial water filling 7/01/14 depth of initial water filling 12 inches above hole bottom. Method used to maintain at least 12 inches of water depth in hole for at least 4 hours Automatic Siphon Maximum water depth above hole bottom during tests 6 inches Time Time Depth Drop in H2O Perc Rate 2:51 3:06 6" 1.0 15.0 3:07 3:22 6" 1.0 15.0 3:29 3:44 6" 1.0 15.0 AVERAGE PERC. RATE 15.0 MPI Percolation Test Data Sheet Lic.#810 Percolating test readings made by: Rusty Olson's Perc. starting at 10:20 A.M. On 10115/17 Location: 680 Pinehurst Court Hole number: 5 Date hole was prepared: 10/14/17 Depth of hole bottom _12"_ inches, Diameter of hole _6"_ inches. Soil data from test hole: Depth, inches Soil texture 0-6 Topsoil 10yr311 6-12 Clay loam 10yr4I3 Method of scratching side wall: Knife Depth of gravel in bottom of hole 2 inches: Date of initial water filling 10114117 depth of initial water filling 12 inches above the hole bottom Method used to maintain at least 12 inches of water depth in hole for at least 4 hours Automatic Siphon Maximum water depth above hole bottom during tests 6 inches Time Time Depth Drop in H2O Perc Rate 71 10:32 11:02 6" 2.0 15.0 11:05 11:35 6" 2.0 15.0 11:36 10:06 6" 2.0 15.0 AVERAGE PERC. RATE 15.0 MPI Percolation Test Data Sheet Lic.#$10 Percolating test readings made by: Rusty Olson's Perc. starting at 10:20 A.M. On 10/15117 Location: 680 Pinehurst Court Hole number: 6 Date hole was prepared: 10114/17 Depth of hole bottom _12"_ inches, Diameter of hole _6"_ inches. Soil data from test hole: Depth, inches Soil texture 0-12 Topsoil 10yr311 Method of scratching side wall: Knife Depth of gravel in bottom of hole 2 inches: Date of initial water filling 10/14/17 depth of initial water filling 12 inches above the hole bottom Method used to maintain at least 12 inches of water depth in hole for at least 4 hours Automatic Siphon Maximum water depth above hole bottom during tests 6 inches Time Time Depth Drop in H2O Perc Rate 10:33 11:03 6" 2.1 14.3 11:04 11:34 6" 2.1 14.3 11:37 10:07 6" 2.1 14.3 AVERAGE PERC. RATE 14.3 MPI