Union Co Darby Meadows WWTP: Advanced Wastewater Treatment in Union County, Ohio

Union Co Darby Meadows WWTP is a wastewater treatment facility located in Darby Township, Union County, Ohio. The plant serves a small population of 90 residents, reflecting its role as a local municipal treatment system in a rural or suburban setting. The plant employs advanced treatment processes, ensuring a high level of effluent quality. With a designed capacity of 37.85 m³/day and a current discharge volume of 45.43 m³/day, the facility operates under the regulatory framework of the US Clean Water Act, which requires NPDES permits for discharges to surface waters. For small plants like this, Ohio EPA typically issues permits with specific effluent limits based on the receiving water's assimilative capacity. The treated effluent is discharged to a local water body, likely a tributary of the Scioto River or Big Darby Creek, which flows into the Ohio River and ultimately the Mississippi River. The Big Darby Creek is a state and national scenic river known for its high-quality aquatic habitat, supporting diverse fish and mussel populations. The plant's advanced treatment helps protect this sensitive ecosystem.

The plant discharges into a tributary of the Big Darby Creek, a state-designated scenic river that flows into the Scioto River and then the Ohio River. The Big Darby Creek watershed supports a diverse aquatic ecosystem, including rare freshwater mussels and fish species. Advanced treatment at this plant helps maintain water quality in this ecologically sensitive stream.