(KRON) — The North Bay is still grappling with the impacts of an atmospheric river that brought heavy rainfall to the Bay Area the first week of January. Sonoma Water (SW) responded to a spill of untreated wastewater at the Russian River Treatment Plant after heavy overnight rainfall overwhelmed the facility Tuesday, the agency wrote in a news release. PGE electricity rates are down — but your bill might not be The plant was receiving water flows at a rate of approximately four million gallons per day, and no additional storage capacity was available, according to SW. A portion of the discharge traveled through a forested area before reaching the Russian River. The agency confirmed that river levels were elevated Tuesday morning, with flows exceeding 30,000 cubic feet per second at the Hacienda Bridge. Affected community members were notified by an alert messaging system. SW staff notified regulatory agencies, and environmental specialists were dispatched to the site to assess conditions and possible impacts. The agency advises community members to stay away from the Russian River, which remains under storm conditions. The Russian River County Sanitation District asks users to reduce wastewater use to help limit ongoing impacts. Additional information will be posted at the Sonoma Water website as it becomes available. Further north, Lake County officials confirmed Tuesday the release of sewage into Cache Creek due to the heavy rains from the winter storm. Staff is advising people to avoid Cache Creek from the mouth of Cleark Lake to the dam. Residents are also advised not to drink untreated, non-public water sourced from the creeks for 96 hours. ...read more read less