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Pond projects will sink or swim at TM
By Rachel Lebeaux/ Townsman Staff
Thursday, March 16, 2006

Town infrastructure projects don't always involve bricks and mortar: in the case of Morse's Pond, it's more like water and weeds.
    Three articles at Town Meeting later this month will seek to make Morse's Pond viable for recreational, environmental and water-quality purposes for a long time to come.
    Article 21, which was brought forth jointly by the Natural Resources Commission, the Recreation Commission and the Board of Public Works, asks Town Meeting members to approve a more-than-$1 million appropriation for the rehabilitation and maintenance of the 105-acre pond. According to NRC Director Janet Bowser, the work has been waiting for a while.
    "For a long time, Morse's Pond has been ignored as a resource," Bowser said of the pond, which has been enlarged several times since the 1700s. "People said, 'It's a nice pond. It's not looking very good, but we wouldn't have to [work on it] this year.'
    "The condition of the pond, both as an environmental resource and a recreational resource, has been declining for decades," Bowser said. "The sense was we need to begin developing a long-term management plan for the pond before losing it."
    The three boards came together because, Bowser said, they saw their interests in the pond as complementary. From the NRC's perspective, the pond is important as a natural and environmental resource; for the BPW, quality drinking water is crucial, since 40 percent of the town's water supply comes from deep wells adjacent to the pond; for the Recreation Commission, the pond offers residents the opportunity to swim, boat, hike, skate and fish.
    Town Meeting in 2004 approved $150,000 to conduct and develop a management plan for the pond, Bowser said. Part of that money came from Community Preservation Act funding; the rest, from the town budget. The town hired Dr. Ken Wagner, an environmental consultant, to work with town boards; along the way, a Morse's Pond Ad Hoc Committee was formed and residents were invited to attend five public forums on the matter.
    There are two main problems with the pond, Bowser said. The first is the presence of invasive weeds; the second is an overgrowth of algae. Last June, the Natural Resources Commission voted down one suggested method for curing those problems, an herbicide called fluridone. The town's Integrated Pest Management policy states that there must be a public-health emergency or no other alternatives in order for herbicides to be used, and the situation at Morse's Pond did not trigger that, Bowser said.
    Thus, to counter the weeds, Town Meeting members under Article 13 will be asked to approve a $250,000 appropriation from the CPA fund to purchase of a new weed harvester. "The town has a more-than 20-year-old weed harvester that needs to be replaced - every year, we cross our fingers that it continues to float," Bowser said.
    The other primary concern is that there is too much algae in the water, which damages water clarity. To address that, Bowser said, Town Meeting will be asked to endorse a three-part solution.
    The first portion of the plan revolves around watershed management, including educating residents, reviewing (and possibly tightening up) town bylaws and enforcing stormwater management. Although only 22 percent of the Morse's Pond watershed lies in Wellesley (the rest is in Natick and Weston), Wellesley's portion - "pretty much everything north of Route 9" - is the most developed, Bowser said.
    The second part would call for implementing a phosphorus inactivation station. "The primary problem in terms of algae growth in the pond is that there is too much phosphorus and fertilizer going into the pond, mainly from people's lawns," Bowser explained. That run-off eventually finds its way into storm drains, and then into the pond. "This station would be at the inlet, and would bind with the phosphorus so it's deactivated, and won't enter the pond in a harmful form," Bowser said.
    The third recommendation is to dredge the northern basin of the pond of sediment. Initially, there were talks of dredging the entire pond, but the cost could have soared to $9 million. The method before Town Meeting would call for using a machine that Bowser likened to "a big straw that would pull the sediment out of the bottom."
    The entire cost of the proposed plan, not including the weed harvester, is $1,073,000. There is also a $75,000 appropriation within the town's operating budget that would cover the hiring of a pond manager, paying two people to operate the weed harvester and some other costs.
    If Article 21 is approved by Town Meeting, the funds to clean up Morse's Pond would appear on an override ballot as part of a debt-exclusion question proposed by town officials to address three years worth of town infrastructure needs. On this matter, "We deferred to the powers that be to make the wider municipal finance decision," Bowser said. "We understand that the town has multiple needs at this point, and we hope this will be funded."
    If the debt exclusion does not pass, work on Morse's Pond would have to be deferred for at least another year. If it were approved, "work would start immediately."
    No matter what, Bowser said, there would be no impact on swimmers, as harvesting would not take place in the beach area. She added that, under Article 20, the Recreation Commission is requesting an appropriation of funds toward rehabilitating or reconstructing the Morse's Pond dock.
    





Three articles at Town Meeting will address the overgrowth of weeds and algae at Morse's Pond. (File photo by Rachel Lebeaux)