Overview
Northwest Arkansas WWTP serves approximately 20,110 people in Washington County, Arkansas. The facility operates under the U.S. Clean Water Act's NPDES permit program, ensuring treated effluent meets federal standards before discharge.
Northwest Arkansas WWTP is a municipal wastewater treatment facility located on Osage Road in Washington County, Arkansas, serving a population of about 20,110. The plant is part of the region's infrastructure managed under the U.S. Clean Water Act, which requires NPDES permits for all discharges to surface waters. As a medium-sized agglomeration, the plant is expected to provide at least secondary treatment under federal regulations. Typical facilities of this scale employ biological treatment to reduce organic matter and suspended solids before discharge. The plant's treated effluent likely enters a local waterway within the Arkansas River basin, ultimately draining into the Mississippi River and the Gulf of Mexico. This downstream connection underscores the plant's role in protecting regional water quality and aquatic ecosystems.
Environmental context
The plant discharges into a tributary of the Arkansas River, which flows into the Mississippi River and eventually the Gulf of Mexico. The receiving waters support diverse aquatic life and are important for regional biodiversity. Effluent from the plant must meet NPDES permit limits to protect downstream habitats and water quality.
Frequently asked questions
Northwest Arkansas WWTP is located on Osage Road in Washington County, Arkansas, United States.
The plant serves approximately 20,110 people in the Washington County area.
The plant discharges treated effluent into a local waterway within the Arkansas River basin, which flows to the Mississippi River and the Gulf of Mexico.
The plant operates under the U.S. Clean Water Act, requiring an NPDES permit issued by the Arkansas Department of Energy and Environment or the EPA to regulate discharges.
Under the Clean Water Act, plants of this size typically provide secondary treatment, which includes biological processes to remove organic matter and suspended solids.
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