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Dead fish prompt plan at Indian Lake; city to seek permits for winter drawdown
Summary
Residents reported fish kills and aquatic-weed overgrowth at Indian Lake. The city outlined treatment and a planned 1.5-foot drawdown this winter after DEP permitting; officials said oxygen loss and dense vegetation are primary drivers of the fish die-off.
WORCESTER, Mass. — After weeks of visible aquatic vegetation and reports of dead fish, councilors asked the city manager for a report and a timeline on Indian Lake treatment and on communications with residents.
Councilors and residents described hundreds of fish washing ashore and widespread nuisance vegetation. Councilor Carlson said city staff and contractors have been working at the lake and that the condition has recently improved in visibility; residents posted photos in the meeting packet.
City staff explained the immediate cause: dense aquatic vegetation coupled with weather‑driven drops in dissolved oxygen. The city reported it has worked with state agencies on permitted treatments and said it has deployed mechanical cutting and raking equipment and was using a vegetation‑cutting machine in the lake.
Officials told council the state Department of Environmental Protection has authorized work and that a planned 1.5‑foot drawdown will be carried out this winter as part of a broader remediation plan. “The planned 1.5 feet drawdown will restart this winter,” the city manager said. Staff also described a phased approach: short‑term cutting and raking, permitted herbicide or treatment where allowed, and a winter drawdown to protect docks and reduce vegetation regrowth.
Councilors asked for regular updates and a written timeline for the drawdown and for repairs to docks and other private infrastructure damaged by vegetation and fluctuating water levels. They requested a separate report on possible funding or assistance for property owners who suffered damage to docks and shoreline structures.
Next steps: the manager will work with the lakes and ponds program and DEP on permitting and will provide the council a timeline for treatment activities, the drawdown schedule and follow‑up permitting documentation. The council also asked for an explanation of state vs. municipal responsibilities for ongoing lake maintenance.
