11/16/2010 SEWER COMMISSION Minutes

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The Chair distributed revised maps integrating the orange lines of proposed wastewater planning areas discussed at previous meetings. The area incorporating west of Santuit Pond, South Sandwich Road, Noisy Hole Road, Ashers Heights Subdivision, Summerwood Condominiums, Clipper Ship Village,Mashpee Neck are included in a sewer service area headed toward the transfer station site. On the map it is denoted as a large violet circle. The plan being considered for the area would include a municipal plant at the Transfer Station site on a subdischarge with discharge also being sent to the Willowbend golf course. The area also consists of the Cotuit Meadows project with its own service area including the nursing home and Shellback Place. The Chair noted that the remaining peninsula of Barnstable could potentially be connected to the Cotuit Meadows service area. Stratford Ponds, located directly north, may rebuild their plant with the possibility of tying in portions of the neighborhoods of Meadowhead Drive and lower Route 130 or those locations could be directed to the Transfer Station site. Additionally, the Tribe is building a 50 unit 40B development and the zero net nitrogen provision will require them to tie in adjacent properties, such as Meetinghouse Road and buildings in the Town Hail area, to their 50,000 gpd plant. The 24 unit Main Street Village will remain on their own Nitrex system and Kenmark will remain on their on-site denite system. The Chair noted that all red properties on the map represent on-site denite systems. The Chair recommended that for now,those properties would not be connected to a sewer system. Willowbend is currently sewered and includes Cotuit Bay Condos. The map indicates areas such as Chestnut Street, Cedar Street, south side of Quinaquissett and a subdivision near Pheasant Run Condos and Sampson Mills Road area surrounded by their sewer system. If Willowbend has the capacity and the plant can be expanded, those areas could be added to Willowbend's system or sent to the Transfer Station site. Located in the middle of town,the Mashpee Commons treatment plant, whose collections stem will extend to the yellow area on the ma includes the police/fire stations and P � Y Y P� P senior center, future Mashpee Commons development and the two schools. SouthCape Village also has its own treatment plant. A proposed plan would involve acquiring the Mashpee Commons treatment plant and expanding its service area to include Great Neck Road north to the area of Zachary's. In the western part of town,there is a plant at the high school that would require expansion or construction of a separate plant and Site 13 if expansion does not occur at the high school. The area south of Johns Pond, east of the pond and Charles River east and west,Winslow Pond and the trailer park would be sewered and connected to the high school plant or adjacent site. Effluent would be sent to a discharge area north of Johns Pond. If additional sewering is needed to meet targets,the Briarwood area could also be sewered in a later phase. The north side of Ashumet Pond is another area that could be sewered in a later phase if needed. The Chair added that brown areas represent higher saturation as a result of testing from GHD. In the southern end of town, Summersea and Bright Coves would be sewered but the Popponessett area does not require sewering at this point. Areas around Great Neck Road south, Grass Road, the Seabrooks and the islands and the South Cape Resort may be considered for a new municipal plant or use of the Keeter property if needed. If the New Seabury plant can be expanded, portions of New Seabury, Little Neck Bay area, South Cape and Quail Hollow subdivisions could be tied into the New Seabury plant or a municipal plant on the Keeter property. This proposed plan entails 3 municipal plants and use of 3 existing private plants. The Chair recommended forwarding the plan to GHD and Lombardo Associates for comments. Commissioners were invited to take the maps home with them to further consider the plan for discussion at the next meeting. The Chair added that the 3 collection vendors who previously attended a Sewer Commission meeting had offered free design services and Chairman Fudala suggested that they be invited to develop designs representing the plan. The Chair summarized that the plan represents a combination of the scenarios, building municipal plants and maintaining private plants. The Chair referenced a previous conversation with Brian Howes regarding the eastern side of Santuit and whether or not the area will require wastewater treatment for phosphorus reasons. The area has been 7