5/4/2011 PLANNING BOARD Minutes - Laserfiche WebLink

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consultant reviewing the dam inquired why the Town would consider the circulators rather than lowering the depth of the pond. The Chair inquired how the problem would _ be solved by lowering the pond and Nor. peter suggested the possibility of creating a freshwater wetlands and capturing the nutrients from runoff before entering the water body. There was discussion about the possibility of a feasibility study_ Mr. I ooharian suggested that maintenance of the pond was expensive without resolving the sources of the problem. The Chair noted the issue was discussed at the CPC meeting and reported that the EOC was also working on a fertilizer bylaw. The Chair noted that the algae.bloom has become a public health issue and has been listed as one of the State's impaired waters, requiring action. lair. Petersen suggested that lowering the pond may limit growth of the algae in the shallower areas but Mr. Fudala suggested that the algae may bloom even gorse if the pond were lower. Mr. Petersen stated that the source of the algae had not been conclusively identified in the study and could be produced by other sources. The report indicated that the pond had a very heavy growth of plant matter, which would create*and deplete oxygen on its own. The Chair stated that the input of phosphorus has caused the problem. lair. Fudala stated that in 1980 the state listed the pond as the second most eutrophic pond in MassachusMs. fir. Kohrin inquired about how to realistically fix the problem and the Chair responded that if the circulators were effective, they would be in the pond forever. Mr. Petersen noted that the primary source of the phosphorus was not just from the runoff but also the dead vegetation at the bottom of the pond. Dredging would remove the source of the problem. Mr. Balzarini stated that $12 million seemed high for 170 acres. Mr. Petersen suggested that the sediments may be 10 solids and 90%water. The difficulty of dredging is identifying an area to de-water the dredge material. A possible location for the dewatering could be the adjacent cranberry bogs, and then remove the solids. Mr. Fudala stated that the'Town owned the.bogs and the bogs were ff' uwtive. The next EOC meeting it 1 be on mar 12. Design Review Committee-Mr. Kooh. ri n was unable to attend the most recent meeting. The Chair inquired about the recently passed bylaw and whether the.Attorney General needed to review the bylaw. Mr. Fudala responded that state law indicated that zoning bylaws were effective when approved by Town Meeting and that the AG requires review and then it would be applied roactively. Chairman Way gan recommended that it be discussed further when the Planning Board reorganizes after the efection. Community Preservation Committee-Chairman waygan reported that the CPC met last night and discussed the DPW/Friends of Santuit pond application to fund solar powered circulators- The Chair recommended that the scope of the proposal be expanded to include working on addressing the sources sucb as road runof . The next CPC meeting will be held on June 7. The Chair reported thadt the Pickerel Cove request did not pass Town Meeting- The Pickerel Cove restoration could reapply to be considered in.the next round. 'There was discussion regarding the complaints.about the proposal that a neighbor expressed at Town Meeting. Historic District Com m ission-I o.meeting