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Suffield WPCA reports E. coli permit exceedance after equipment failure; officials say issue resolved
Summary
The Suffield Water Pollution Control Authority reported an E. coli permit exceedance in May caused by a PLC input card failure that shut down UV disinfection for several hours. Operators restored the system, notified the Connecticut Department of Energy and Environmental Protection (DEEP), and said DEEP requested no further action.
The Suffield Water Pollution Control Authority (WPCA) reported an E. coli permit exceedance in May after a programmable logic controller (PLC) input card failed and shut down the plant’s UV disinfection system for several hours. Jamie Kreller, the WPCA superintendent, said operators responded to the alarm, restored operations, and replaced the failed input card.
Kreller told the authority that the exceedance was reported to the Connecticut Department of Energy and Environmental Protection (DEEP) and that DEEP had not requested additional action. He also reported that biosolids production for May was 38.85 dry tons, which the minutes noted was below the monthly solids-disposal allotment in the MDC agreement.
The superintendent’s report, as presented at the June 9 meeting, listed ongoing reliability upgrades: PLC and touchscreen replacements across pump stations, completion of Pump Station #13 (Stony Brook), and planned generator work and landscaping at Pump Station #10. The report also said nine manholes were reset on Remington Street, Mather Street, Russell Avenue, River Boulevard, and Third Street.
Anna Clark, the WPCA business administrator, provided financial context in the same report cycle, noting the fiscal year 2025–26 budget variance through April was 27% unexpended and listing delinquency and collection figures. Clark said the overall delinquent amount through the end of May was $146,668.83 and that the May 2026 collection rate was 94.62%.
The minutes record that the authority plans smoke testing in the Thrall/Bridge Street area later in June to identify infiltration and inflow sources contributing to high wet-weather flows; property owners and emergency services will be notified in advance. No public comments or additional DEEP directives were recorded at the meeting.
The WPCA reported these items during its regular meeting on June 9, 2026; staff said no further regulatory action had been requested by DEEP at the time the minutes were posted.
