CASHION WWT - Secondary Wastewater Treatment in Kingfisher County, Oklahoma

CASHION WWT is a wastewater treatment facility located in Kingfisher County, Oklahoma, United States. The plant serves a small population of 635 residents, providing secondary treatment to municipal wastewater. Its location in rural Oklahoma places it within the broader context of decentralized wastewater infrastructure common in less densely populated areas. As a secondary treatment plant, CASHION WWT meets the standard requirements under the US Clean Water Act, which mandates secondary treatment for municipal facilities. The plant has a designed capacity of 264.98 megaliters per year and discharges approximately 227.13 megaliters annually, indicating a utilization rate consistent with its service population. The facility is not within 10 kilometers of the coast, reflecting its inland setting. The treated effluent from CASHION WWT is discharged into local waterways that ultimately drain into the Arkansas River basin, a major tributary of the Mississippi River system. This downstream connection underscores the plant's role in protecting water quality in the region's rivers and contributing to the health of the larger Gulf of Mexico ecosystem.

CASHION WWT discharges into local streams that flow into the Arkansas River, which joins the Mississippi River and empties into the Gulf of Mexico. The plant's secondary treatment helps reduce nutrient loads and organic pollutants, supporting aquatic life in the Arkansas River basin and mitigating contributions to the Gulf's hypoxic zone.