Overview
ST CHAS MO RIVER STP serves Saint Charles, Missouri, treating wastewater for approximately 31,408 residents. The plant discharges into the Missouri River, a major tributary of the Mississippi River.
ST CHAS MO RIVER STP is a municipal wastewater treatment plant located in Saint Charles, Missouri, United States. It serves a population of around 31,408 people, placing it in the medium-sized agglomeration category. The plant is situated near the Missouri River, which is a key waterway in the region. As a U.S. facility, the plant operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permitting requirements. Regulatory compliance ensures environmental standards are met. The treated effluent is discharged into the Missouri River, which flows into the Mississippi River and eventually reaches the Gulf of Mexico. This downstream connection highlights the plant's role in protecting water quality in a major river basin that supports diverse aquatic life and serves as a critical water resource for communities and industries.
Environmental context
The plant discharges into the Missouri River, a major tributary of the Mississippi River system. The Missouri River basin supports diverse aquatic habitats and is an important migratory corridor for fish and birds. Downstream, the Mississippi River carries water to the Gulf of Mexico, where nutrient loading from upstream sources can contribute to hypoxic zones. The plant's treatment performance is therefore significant for both local water quality and the broader Gulf ecosystem.
Frequently asked questions
ST CHAS MO RIVER STP is located at 100 Walnut Street in Saint Charles, Missouri, United States. It serves the Saint Charles area and discharges into the Missouri River.
The plant serves approximately 31,408 people, classifying it as a medium-sized municipal wastewater treatment facility.
The plant discharges treated effluent into the Missouri River, which flows into the Mississippi River and eventually reaches the Gulf of Mexico.
As a U.S. facility, it operates under the Clean Water Act and is regulated through the National Pollutant Discharge Elimination System (NPDES) permit program, which sets discharge limits and monitoring requirements.
Plants of this scale in the U.S. typically provide secondary treatment as a minimum, which includes biological processes to remove organic matter and suspended solids. Some facilities may also incorporate advanced treatment for nutrient removal depending on local water quality standards.
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