Overview
Ridgeway STP is an advanced wastewater treatment plant serving 868 residents in Ridgeway, Wisconsin. It discharges 170.34 units of treated effluent daily, with a designed capacity of 283.91 units.
Ridgeway STP is a municipal wastewater treatment facility located in Ridgeway, Iowa County, Wisconsin, serving a small population of 868 residents. The plant provides advanced treatment, ensuring high-quality effluent before discharge into the local environment. The plant operates under the U.S. Clean Water Act, which requires National Pollutant Discharge Elimination System (NPDES) permits for all discharges. The treated effluent from Ridgeway STP ultimately drains into the Mississippi River Basin via local streams and the Wisconsin River. This watershed supports diverse aquatic life and provides drinking water for downstream communities, making advanced treatment essential for maintaining water quality.
Environmental context
The plant's discharge enters local tributaries that flow into the Wisconsin River, a major tributary of the Upper Mississippi River. This basin supports diverse aquatic ecosystems, including fish species such as walleye and smallmouth bass, and provides habitat for migratory waterfowl. Advanced treatment helps protect these downstream environments from nutrient pollution and other contaminants.
Frequently asked questions
Ridgeway STP is located in Ridgeway, Iowa County, Wisconsin, United States.
The plant serves a population of 868 residents.
Ridgeway STP provides advanced treatment, which goes beyond secondary treatment to remove nutrients and other pollutants.
As a U.S. facility, Ridgeway STP operates under the Clean Water Act and must obtain an NPDES permit from the state or EPA, which sets limits on effluent quality.
The plant has a designed capacity of 283.91 units, with an average daily discharge of 170.34 units.
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