Supervisors credit multi-agency response after torrential rain caused sewer infiltration in Lower Lake, Clear Lake

Supervisor 3 reported that an overnight storm produced "massive torrential rain" that led to infiltration in the county sewer system in both Lower Lake and Clear Lake, prompting emergency response measures.

"It is unfortunate that, there were some spills, but again, minimized by the hard work and the collaboration between the City of Clear Lake, special districts, environmental health, and others," Supervisor 3 said, praising interagency coordination and county administration for keeping officials informed.

Why it matters: sewer-system overflows can pose environmental and public-health risks and typically require immediate containment and cleanup. Supervisor 3 said county staff and mutual-aid partners brought in out-of-county pumper trucks to limit impacts and that the spills were minimized as crews worked through the night.

Supervisor 5 later referenced related sewer concerns in Lower Lake while discussing separate infrastructure items, saying the county had issued warnings in Cache Creek and that staff had been notified by email of the problems. That report linked the localized sewer issues to broader storm impacts but did not provide a count of affected service connections.

What officials said they will do next: supervisors noted ongoing follow-up with environmental health and city partners; no formal motion or vote was made on the floor during the report. Details such as the volume of any spills, the number of addresses affected, and cleanup contractors engaged were not specified in the report.

The meeting recessed for a one-hour lunch at 11:51 a.m.