2005-SEWER COMMISSION - Laserfiche WebLink

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i Don is available to attend. Tom will remind Matt. Jeff Gregg cannot attend; someone else from S & W may attend in his place. Tom does not know if the school department will be attending. High school Treatment Plant Tom attended a meeting with the policy sub-committee of the school committee (3 members) Earth Tech was also in attendance. The new discharge permit requires onerous sampling and disinfection. Earth Tech provided a list of possibilities: - Attempt to have the boundary of the Zone II amended by installing monitoring wells to show the groundwater is flowing away from the discharge area. This appears to be the quickest, cheapest and simplest attempt to resolve the problem. A more expensive option is re-modeling the entire recharge area for the Zone II of the Holland Mills well. - Turn off the portion of the discharge system that is inside the Zone II. The plant only averages 4,000 gallons per day, and is permitted for 18,000. They would have to do some re-piping. - Convert to a Title 5 system. However, anything over 600 gallons per day must be a de-nite system to meet Mashpee Board of Health regulations Don asked what the average flow over the 12 months is? Tom had a chart which they reviewed. Maximum day was 9,000 gallons. Earth Tech said there is not enough nitrogen load to feed the de-nite. They are having trouble meeting the permit requirements. Tom mentioned the scenario development at this meeting. He also told them of other developments in the area: proposed new assisted living facility on Rte 151, Mashpee Village needs to add a treatment plant, possibility of tying in Housing Authority property,the trailer park. Tom expressed to them that the school committee should be working with the Sewer commission and they agreed. Short term: resolve the discharge permit Mid term: sharing their facility with neighbors Long range: participate in long range facilities plan Tom also told them the Sewer Commission needs to know if they can consider discharge under the ballfields, in the long term. The committee decided that Earth Tech will do the modeling in an attempt to move the Zone II. Currently they are violating the nitrogen limit in the permit,so even if they are out of a Zone II,there will be plant upgrades to do. Tom has been appointed to the Smart Growth working group, a group looking at zoning, planning, smart growth issues that come from sewering a town. Sue Rask is spear heading this. Falmouth's grant request, which they asked Mashpee to endorse,was approved. Capital Improvement Program: last year's submitted request was for $8,800,000 for the effluent pipeline. The cost is based on Barnstable's cost of pipeline. Don is concerned we are being conservative. Next year, this list may be completely different when there is a completed plan. The numbers are really unknown, it is just to put on record that these items are coming up. ** Don made a motion to submit the Sewer Commission's capital facilities request of $8,800,000. Tom seconded the motion. All members were in favor 2-0**