SMOLAN WWTP - Secondary Treatment Plant in Smolan, Kansas

SMOLAN WWTP is a municipal wastewater treatment facility located in Smolan, Kansas, United States. The plant serves a small population of 170 residents in this rural community within Saline County. As a secondary treatment plant, it provides biological treatment to remove organic matter and suspended solids from wastewater. The plant has a designed capacity of 113.56 units and currently handles a discharge volume of 64.35 units, indicating operational headroom. Under the US Clean Water Act, facilities of this scale are regulated through the National Pollutant Discharge Elimination System (NPDES) permit program, which sets effluent limits to protect water quality. Secondary treatment is the standard requirement for municipal plants in the United States. The treated effluent from SMOLAN WWTP is discharged into local streams that ultimately drain into the Smoky Hill River, a tributary of the Kansas River. The Kansas River flows into the Missouri River, which joins the Mississippi River and empties into the Gulf of Mexico. The plant plays a role in maintaining the ecological health of these downstream waters, supporting aquatic life and recreational uses.

SMOLAN WWTP discharges into local waterways that flow into the Smoky Hill River, part of the Kansas River basin. This watershed supports diverse aquatic habitats and is important for regional biodiversity. The plant's secondary treatment helps reduce nutrient and pollutant loads, protecting downstream water quality in the Missouri and Mississippi River systems.