Overview
SAPULPA WWT serves approximately 21,897 people in Sapulpa, Oklahoma, as part of the municipal wastewater infrastructure. The plant operates under the U.S. Clean Water Act, which mandates secondary treatment for facilities of this scale.
SAPULPA WWT is a municipal wastewater treatment plant located on Stanfield Road in Sapulpa, Creek County, Oklahoma. Serving an estimated population of 21,897, the facility is part of the region's essential water management infrastructure, handling domestic and industrial wastewater from the community. As a U.S. wastewater facility, SAPULPA WWT operates under the regulatory framework of the Clean Water Act, administered through the National Pollutant Discharge Elimination System (NPDES) permit program. For plants serving populations around 20,000, secondary treatment is typically required to meet effluent limitations for biochemical oxygen demand and total suspended solids. The Oklahoma Department of Environmental Quality oversees permitting and compliance for such facilities. The plant's treated effluent is discharged into a local waterway that ultimately drains into the Arkansas River basin, which flows through Oklahoma and Arkansas before joining the Mississippi River. This downstream connection highlights the plant's role in protecting water quality in the broader Mississippi River watershed, which supports diverse aquatic ecosystems and provides drinking water for millions.
Environmental context
SAPULPA WWT discharges into a tributary of the Arkansas River, which flows through the southern Great Plains and eventually reaches the Mississippi River and the Gulf of Mexico. The receiving waters support a variety of fish and wildlife, including species that rely on healthy oxygen levels and low nutrient loads. The plant's treatment processes help prevent excessive nutrient enrichment that could contribute to hypoxic zones in the Gulf.
Frequently asked questions
SAPULPA WWT is located on Stanfield Road in Sapulpa, Creek County, Oklahoma, United States.
The plant serves approximately 21,897 people in the Sapulpa area.
The plant discharges treated effluent into a local waterway that flows into the Arkansas River basin, ultimately reaching the Mississippi River and the Gulf of Mexico.
As a U.S. facility, SAPULPA WWT operates under the Clean Water Act and is subject to NPDES permit requirements enforced by the Oklahoma Department of Environmental Quality.
Plants of this scale typically require secondary treatment, which includes biological processes to reduce organic matter and suspended solids, meeting EPA effluent guidelines.
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