Tyronza WWTP - Secondary Treatment Plant in Poinsett County, Arkansas

Tyronza WWTP is a municipal wastewater treatment facility located on Davis Street in Poinsett County, Arkansas, serving a population of 762. The plant provides secondary treatment, a standard level for small communities in the United States, and discharges an average of 386.11 thousand gallons per day. The plant has a designed capacity of 454.25 thousand gallons per day, indicating it operates below capacity. As a US facility, it is regulated under the Clean Water Act and requires an NPDES permit issued by the Arkansas Department of Energy and Environment - Division of Environmental Quality, ensuring compliance with effluent limits. The treated effluent is discharged into a local waterway that ultimately drains into the Mississippi River Basin. This watershed supports diverse aquatic life and provides water for agricultural and municipal uses downstream. The plant's operation helps protect local water quality in the region.

The plant discharges into a tributary of the Mississippi River Basin, which flows into the Mississippi River and eventually the Gulf of Mexico. This watershed supports diverse aquatic species and is an important migratory corridor for birds and fish. The plant's secondary treatment reduces organic pollutants and suspended solids, helping to maintain water quality in the downstream environment.