Clio Lagoon Wastewater Treatment Plant, Clio, Alabama

Clio Lagoon is a wastewater treatment plant located in Clio, Barbour County, Alabama, United States. The facility serves a population of approximately 2,216 residents, providing secondary treatment for municipal wastewater. The plant's designed capacity is 1,514.16, with a current discharge volume of 776.01. As a secondary treatment facility, Clio Lagoon meets the standard requirements under the U.S. Clean Water Act, which mandates secondary treatment for municipal wastewater plants. The plant operates under the National Pollutant Discharge Elimination System (NPDES) permit program, administered by the Alabama Department of Environmental Management, ensuring compliance with effluent limits. The treated effluent from Clio Lagoon is discharged into local waterways that ultimately drain into the Gulf of Mexico via the Choctawhatchee River basin. The plant plays a key role in protecting downstream water quality and aquatic ecosystems in this region of southeastern Alabama.

Clio Lagoon discharges treated wastewater into the Choctawhatchee River watershed, which flows southward into the Gulf of Mexico. The river supports diverse aquatic life, including fish and invertebrates, and provides habitat for migratory birds. The plant's secondary treatment helps reduce nutrient and pollutant loads, protecting downstream water quality in this ecologically sensitive coastal plain region.