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Commissioners raise PFAS, cyanobacteria and low Silver Lake levels; request meeting with Brockton
Summary
Officials discussed PFAS contamination, elevated phosphorus and cyanobacteria in Silver Lake, and reported that Silver Lake levels are down 32.5 inches; commissioners agreed to draft a letter to the mayor of Brockton requesting a meeting at the Filtration Facility to discuss flows and fish ladders.
Commissioners and consultants discussed water-quality concerns at Silver Lake and downstream impacts during the Feb. 24 meeting. Kimberly Groff reported monitoring results showing elevated phosphorus and cyanobacteria and recommended a lake management plan; she noted that chemical alum treatment could cost in the hundreds of thousands of dollars. Pine duBois emphasized ecological impacts and said Silver Lake levels are "currently down 32.5 inches," noting the importance of maintaining flow for fish and water quality through the Jones River and beyond.
The commission agreed to draft a letter to the mayor of Brockton requesting a meeting at the Brockton Filtration Facility to discuss water management, ensure adequate flow for fish ladders, and to pursue mapping of PFAS contamination in local private wells and municipal supplies. Commissioners also discussed educational outreach for local communities on private-well PFAS risks and regional cooperation to address underutilization of existing water resources.
