10/19/2010 SEWER COMMISSION Minutes

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beneficial for Mashpee to develop a memorandum of understanding to manage wastewater in the area. Regarding plant location, Chairman Fudala questioned the value of utilizing Southport and Mr. Gregg suggested that the plant is bound on all sides by development and that the topography may not be suitable for expansion. The Chair noted that the high school plant has space adjacent to it to allow for the construction of a new plant where it is level and effluent could be sent elsewhere. Mr. Gregg questioned whether the nearby town land(Site 13)would be appropriate for recharge and the Chair responded that it is located in Zone 2 and the Quashnet River watershed. The Chair questioned sending discharge from a new treatment site at the high school to the location north of Johns Pond to take advantage of attenuation. Mr. Marcelli questioned Site 13 and the Chair responded that part of it is an environmentally sensitive habitat with wetlands. Mr. Gregg expressed concern about discharging near the Quashnet and Charles River, The Chair emphasized the possibility of utilizing the tax taking lands north of Johns Pond for the effluent from the high school plant and Mr. Gregg recommended protection of Johns Pond. Mr. Gregg added that the high school offers limited space and other challenges as a school, recommending use of other town owned land. The Chair responded that the Town has control over the school and plant. Chairman Fudala noted that some major potential discharge sites were eliminated due to its proximity to the Quashnet River which is why new sites were identified for discharge areas. Mr. Gregg suggested building the facility near the discharge site. Chairman Fudala noted that the red cross-hatched areas are base safety easements that would not allow for construction of a facility. Mr. Howes suggested that the area offers some potential and may be worth re-visiting. The group discussed sites including one that has been cleaned up by the military with easy access, one that is landlocked and one with topography issues. Mr. Gregg suggested that options would be available with the sites but that balance would need to be considered with a new scenario using the high school with effluent being sent to one of the discussed sites. Mr. Gregg recommended improvements to Southport and utilization of the high school or build a facility and discharge north of the ponds and also suggested the possibility of utilizing a smaller facility. The Chair expressed interest in modeling the scenario. Regarding Route 130 toward Sandwich, the Chair questioned whether the area would require severing to address Mashpee River concerns and how it would be executed. Mr. Gregg noted that locations in Sandwich were sewered in the scenario in order to meet the targets. Mr. Howes suggested the need to consider buildout and the Chair responded that the map represents buildout. Mr. Gregg stated that the scenarios were run on a future flow but also noted that if it is more sparsely populated it could become a lower priority. The Chair questioned where sewering would be located if the area required it. Commissioners suggested running sewer lines down Route 130. Mr. Gregg questioned the status of the Ashumet Road property and the ball park and the Chair responded that the park is developed to Ashumet Road and a new dog park will be installed across the road. A piece of the property will continue to be available. The Chair also noted that a tax taking parcel is available at a yellow spot indicated on the map on Route 130. Mr. Gregg asked about the property south of Ashumet and the Clair responded that it has an easement that prevents buildings above 15 feet high and is not owned by the Town. Chairman Fudala pointed out the proposed 40B developments in Sandwich that will have their own treatment plants. The Chair summarized a concept for the area, should it be needed, as running the sewer lines along the roadway and constructing a facility near the newly proposed dog park- The Chair questioned other areas, such as east of Santuit Pond, in order to improve the pond which achieves 50% attenuation. Mr. Howes suggested that more review of the data may be needed prior to making a decision to sewer the east side of the pond in an effort to assist with the phosphorus problem. The Chair stated that it has been determined that the west side of the pond be sewered. The Chair asked for final thoughts and Mr. Howes recommended that offsets be considered with balancing of loads in areas such as Johns Pond and analyses of the Santuit Pond results. Mr. Lombardo stated that summarizing and roughing out the plans would be helpful and suggested that the modeling 7