Overview
TOUTLE STP is a secondary treatment plant in Cowlitz County, Washington, serving approximately 1,100 people. It discharges 946.35 cubic meters of treated wastewater daily into the local watershed.
TOUTLE STP is a municipal wastewater treatment plant located in Cowlitz County, Washington, United States. The facility serves a small population of around 1,100 residents, providing secondary treatment to meet state and federal water quality standards. The plant operates under the U.S. Clean Water Act, which requires secondary treatment for municipal wastewater. With a designed capacity of 946.35 cubic meters per day, the facility is sized to handle the community's wastewater needs. The treatment process ensures that effluent meets regulatory limits before discharge. The treated effluent is released into the local watershed, which ultimately drains to the Cowlitz River and then the Columbia River. This river system supports diverse aquatic life and is an important migratory corridor for salmon and steelhead. The plant's discharge is regulated to protect downstream water quality and ecological health.
Environmental context
The plant discharges into the Cowlitz River basin, a tributary of the Columbia River. The Columbia River system supports a wide range of aquatic species, including salmon, steelhead, and sturgeon. The watershed is ecologically sensitive due to its role in fish migration and spawning. Proper treatment helps maintain water quality in this important river network.
Frequently asked questions
TOUTLE STP is located on Wheeler Road in Cowlitz County, Washington, United States.
The plant serves approximately 1,100 residents in the Toutle area of Cowlitz County.
The plant discharges treated effluent into the local watershed, which flows into the Cowlitz River and ultimately the Columbia River.
TOUTLE STP provides secondary treatment, which is the standard required under the U.S. Clean Water Act for municipal wastewater.
The plant operates under the U.S. Clean Water Act, with permits issued by the Washington State Department of Ecology to ensure compliance with water quality standards.
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