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��',���rr >�:� <br /> � �ESa � � ---!—°-�'9- <br /> � February 2, 1979 <br /> Stubbs Bay Nloratorium Area <br /> Review of On-Site Sewage Treatment � <br /> Page 4 � <br /> B. STLTBBS BAY MARII�A PROPERTY - INCLUDING EAST L.AKE STREET HOUSES (CONT. ) <br /> c) Holding Tanks - The site is suitable for a holding tank system. <br /> In either Zones A or B, we �,�ou1d require a s�aled system with <br /> , check valves to prevent backflow or surface discharge of sewage <br /> if and when tariks were flooded. Anti-flotation stability of <br /> tanks would be of prime concern in either a holding tank or <br /> � mound situation. <br /> • ' d) Collector System - The site itself is suitable for collector <br /> system ,with treatment and disposal elsewhere. Proper sealing <br /> of collection lines would be necessary to prevent groundwater <br /> infiltration. � <br /> C MCCOMBS-KNUTSON REPORT ON SANITARY SEWERS FOR STUBBS BAY AREA, 1975 <br /> � . <br /> . This report proposed a collection system for Tonka-Crestview-East Lake <br /> . houses '(36 existing) which would be either tied into existing or proposed <br /> sewers to the east or would b e treated in a large drainfield on the <br /> Andromeda property southwest of Leaf Street and Bayside Roa d. <br /> Estimated Costs (1975) (1979 Assumed 10% Inflation/Yr.) <br /> � . -Collection System . , $97 ,400 � $142,600 <br /> -Disposal Alternative 1 <br /> � (Ptmmp to Interceptor) 62,300 91,200 <br /> � -Disposal Alternative 2 _ . <br /> (Drainfield) . 46,000 67,300 <br /> These cost estimate figures may be way off due to any of the following <br /> t reasons : � <br /> 1. Andromeda property soils in proposed drainfield area are only <br /> marginally suitable for a standard drainfield due to high <br /> water table. " <br /> 2, Andromeda property is not. now available at low cost of • <br /> $10,000/4 acre parcel as previously estimated. <br /> � 3. Orono-Long Lake Interceptor final location is not b etween <br /> , Old Crystal Bay Road and Willow Drive as assumed. This would <br /> ' _. now require longer lines to sewer plant for disposal. <br />