3/2/2010 SEWER COMMISSION Minutes

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Attendees were in agreement that drip irrigation would allow greater flexibility with topography issues and would likely be preferable to the golf courses. Mr. Fudala announced that Zone 2s have changed since the last model run and are reflected on the July 2009 DEP map. Turner Road#2 Well has been added and the High School has been adjusted. Additionally, the discharge area for Stratford Ponds has been relocated. Discussion about Zone 2 and changes were discussed. It was noted that the goal to reduce TMDL may require consideration of other issues, such as phosphorus, so they do not become a problem. Mr. Howes suggested that as water is relocated, it may make sense to consider additional well sites in order to avoid problems in the lakes and ponds. Mr. Fudala emphasized that the new sites would not be located in Zone 2. It was suggested that the Water District may need to be involved and Mr. Fudala stated that projections are available for the next 20 years. Mr. Cambareri questioned the particle tracking results for New Seabury and Mr. Fudala responded that it flows directly to Nantucket Sound. Despite being located in the Mashpee River watershed, the Transfer Station site continues to be a consideration for treatment since it is in an accessible location and amenable to sand filters. The total capacity for all discharge sites averaged 3.8 million, excluding Rock Landing. The total provides sufficient capacity and would allow the exclusion of the Keeter Property since the particle tracker directs the water into the Rock Landing wells. The total capacity needed is 2.6 and represents Mashpee, Falmouth, Barnstable and Sandwich_ Mr. Howes questioned whether a site would be available near Santuit Pond, utilizing phosphorus removal. Mr. Fudala responded that no land is available. Mr. Howes also questioned the availability of land near Jehu and Hamblin Pond since headroom was available, but Mr. Fudala responded that they were surrounded by State and Federal Conservation Land. Mr. Fudala added that only small parcels would be available on Monomoscoy Island. Mr. Baker questioned whether or not Mashpee could work cooperatively with Barnstable to resolve the issues of Santuit Pond and Lovell's Pond through joint phosphorus treatment or a shared sewershed. Mr. Fudala responded that there were only two Mashpee homes located in the Lovell's Pond watershed and added that it was the only location where Mashpee's water was going to Barnstable. Additional discussion continued about collaborative efforts. Mr. Fudala indicated locations on the map where Sandwich would be adding three 40B projects that will impact Mashpee's watersheds. The group discussed the impact and permitting of the 40B projects. It was also noted that Cotuit Meadows will include 124 single family lots., Mr. Gregg confirmed that, although Cotuit Meadows had been included in build out conditions,the other projects had not. It was added that another previously proposed 40B project for assisted living is back on the market. Returning to the conversation about Masbpee's total capacity, Mr. Fudala confirmed that 3.8 million gallons of discharge had been identified with the new sites, to be added to the capacity of previously modeled sites. Mr. Fudala suggested that it would make sense to focus on the New Seabury site since its total capacity of 1.3 (combining existing and the new calculation)would have the greatest impact. Discussion ensued regarding New Seabury's existing facility with 300,000 gpd and whether or not the Town would have access to the facility. Additional units and some retail were expected to be tied into the plant. GHD requested clarity as to how they should proceed and recommended movement toward final scenarios prior to refining the distribution of discharge. Mr. Hall suggested identifying the discharge areas, but reminded the Commission that ranges would be utilized for the planning level study rather than getting bogged down with details. Mr. Gregg suggested that scenarios be identified and to 4