Overview
Dunsmuir WWTF is a municipal wastewater treatment plant serving 3,456 people in Siskiyou County, California. It operates under the US Clean Water Act and EPA NPDES permitting framework.
Dunsmuir WWTF is a municipal wastewater treatment facility located on South 1st Street in Siskiyou County, California, serving a population of 3,456. The plant is situated in the mountainous region of northern California, near the headwaters of the Sacramento River system. As a US facility serving a small community, the plant is subject to the Clean Water Act and operates under an EPA NPDES permit issued by the California State Water Resources Control Board. For plants of this scale, secondary treatment is typically required, with additional nutrient removal if discharging to sensitive waters. The plant's treated effluent likely discharges to a tributary of the Sacramento River, which flows south through California's Central Valley to the Sacramento-San Joaquin Delta and ultimately into San Francisco Bay. This watershed supports diverse aquatic life and provides water for agriculture and urban use downstream.
Environmental context
The plant's receiving water body is likely a tributary of the Sacramento River, which drains into the Sacramento-San Joaquin Delta and San Francisco Bay. This watershed supports critical habitat for salmon and steelhead trout, and the Delta is a key ecological and water supply hub for California. The plant's discharge must meet water quality standards to protect these downstream resources.
Frequently asked questions
Dunsmuir WWTF is located on South 1st Street in Siskiyou County, California, near the town of Dunsmuir in the mountainous region of northern California.
The plant serves a population of 3,456 people, typical of a small municipal wastewater treatment facility in a rural area.
The plant likely discharges treated effluent to a local tributary of the Sacramento River, which flows into the Sacramento-San Joaquin Delta and San Francisco Bay.
As a US facility, Dunsmuir WWTF operates under the Clean Water Act and is regulated by an EPA NPDES permit issued by the California State Water Resources Control Board.
For small communities in California, secondary treatment is standard, often using activated sludge or lagoon systems, with disinfection to meet water quality standards for discharge to surface waters.
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