Union Co Crottinger Estates Wastewater Treatment Plant, Arnold, Ohio

Union Co Crottinger Estates is a wastewater treatment plant located in Arnold, Ohio, within Union County. The plant serves a small population of 45 people and operates as part of the municipal wastewater infrastructure for the area. The plant provides advanced treatment, which goes beyond secondary treatment to remove additional nutrients and contaminants. With a designed capacity of 26.50 ML/year and a current discharge volume of 15.14 ML/year, the facility operates under the U.S. Clean Water Act, which requires NPDES permits for all discharges to surface waters. The treated effluent is discharged into local waterways that drain into the Scioto River basin, ultimately reaching the Ohio River and then the Mississippi River. This small plant plays a role in protecting the water quality of the surrounding watershed and downstream ecosystems.

The plant discharges into local streams that are part of the Scioto River watershed, which flows into the Ohio River and eventually the Mississippi River. The area supports diverse aquatic life and is important for regional water quality. Advanced treatment helps reduce nutrient loading, protecting downstream habitats from eutrophication.