CUBA STP - Advanced Wastewater Treatment Plant in Fulton County, Illinois

CUBA STP is a wastewater treatment facility located in Fulton County, Illinois, serving the local community including Cuba Middle-High School. The plant provides advanced treatment for a population of 1,648, ensuring high-quality effluent before discharge. As an advanced treatment plant, CUBA STP goes beyond secondary treatment to remove nutrients and other pollutants. It operates under the U.S. Clean Water Act, which requires NPDES permits for discharges to surface waters. The plant's designed capacity is 984.20 units, with a current discharge volume of 984.21 units, indicating near-full utilization. The plant's treated effluent is discharged into local waterways that ultimately drain into the Illinois River basin. This region supports diverse aquatic life and is part of the larger Mississippi River watershed, which flows into the Gulf of Mexico. Advanced treatment helps protect downstream water quality and ecosystems.

CUBA STP discharges into tributaries of the Illinois River, which flows into the Mississippi River and eventually the Gulf of Mexico. The Illinois River basin supports diverse aquatic habitats and is important for migratory birds and fish species. Advanced treatment at this plant helps reduce nutrient loading, which is critical for preventing hypoxia in the Gulf of Mexico.