Cash WWTP - Advanced Wastewater Treatment in Craighead County, Arkansas

Cash WWTP is a municipal wastewater treatment facility located in Craighead County, Arkansas, United States. It serves a small population of 342 residents, reflecting its role in a rural community. The plant is situated inland, far from coastal areas, and operates under the regulatory framework of the US Clean Water Act. The plant employs advanced treatment processes, which go beyond secondary treatment to remove nutrients and other pollutants. With a designed capacity of 71.92 volume units and an average daily discharge of 45.43 volume units, the facility operates below its capacity. As a US plant, it is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Arkansas Department of Energy and Environment, ensuring compliance with water quality standards. The treated effluent from Cash WWTP is discharged into local waterways that ultimately drain into the Mississippi River Basin. This region supports diverse aquatic life and agricultural activities, making proper wastewater treatment essential for protecting downstream ecosystems and water quality in the broader watershed.

Cash WWTP discharges into local streams that flow into the Mississippi River Basin, a major drainage system that empties into the Gulf of Mexico. The watershed supports a variety of aquatic species and is important for regional agriculture and biodiversity. Advanced treatment helps reduce nutrient loading, which is critical for preventing hypoxic zones in the Gulf.