7/14/1999 SEWER COMMISSION Minutes

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i MASRP L SEWER COMMISSION l ' JULY 14, 1999 TOWN ALL 'resent: John Cahalane, Toni Fud la,Dennis Balzarinil., Bill Hall from Stearns and Wheeler Meeting convened at 7:10 p.m. Doug Storrs from Mashpee Commons was present to discuss the status of their negotiations with iffie, Cape Cod Commission regarding the project's nitrogen loading and proposed off site mitigation. Doug explained he sent a letter, in May to Brian Dudley of DEP and the legal counsel for DER He provided a copy for members. He explained the concept. If the CCC requires zero net nitrogen addition,the most logical way to achieve that is to take on site septic system and put therm on a plant. They propose to tie into their treatment plant the two elementary schools, Fire, Police and Boys and Girls Club,the library and elderly housing.. This would take therm down from 35 milligrams down to the 10 parts, which the plant is permitted at but has had an average over the last three years of 6.6 parts. The general concept is that there will be a rotary wide system and dispose of the effluent somewhere., which has not yet been resolved. This would not be a masted step towards that goal. Doug thinks it would be nice for the town to be participating in nitrogen reduction program. They plan to submit a draft EIR to the Cape Cod Commission by the end of August or early Spit. He doesn't know how.long that process will take. R This proposal could move in phases, so if the urger plan never happens and they need to add flow, there are other potential users to hook up.. Dennis asked how much flow there is from the schools, since they are sued only 9 months' Doug said they are working with DEP and CCC to develop a realistic approach to title 5 flows. They.plan to use water flow rates and average therm- ith title 5 flows and use that as flows for nitrogen credit. They don't have that information from the Boys and Girls Club. Doug said he is-here tonight to tell the Commission that he has sent this letter to DEP and copied the Sever Commission. They will be diving into the permitting process soon. If the Sever Commission is adamantly opposed to this concept, he needs to know about 1t now. John asked if they will phase this in, as needed? They will. Tom has a problem with averaging actual flow with title 5 numbers, 'Vhy not just use actual fi Doug said DEP and CCCwon't accept that. Torn said the Stearns and Wheler study will use actual numbers. His concern is the school flo v arp the most inflated(by tale 5). Torn would rather use the subsi y" from Ma hp e Commons (tying into treatment plant) on pople who would otherwise be reluctant to tie in rather than the town buildings. The subsidy vuld be an incentive for therm. Jon is concerned with that apprach. People would be reluctant to tie into a system if the torn 1