Overview
DYERSVILLE WWTP serves the city of Dyersville, Iowa, treating wastewater for approximately 4,058 residents. The plant discharges into local waterways within the Mississippi River basin.
DYERSVILLE WWTP is a municipal wastewater treatment facility located in Dyersville, Dubuque County, Iowa, United States. It serves a population of about 4,058 people, classifying it as a small to medium-sized plant under U.S. EPA standards. As a U.S. facility, the plant operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permitting, which sets effluent limits to protect water quality. Plants of this scale typically employ secondary treatment, including biological processes, to meet regulatory standards. The treated effluent is discharged into local streams that drain into the Mississippi River basin, ultimately reaching the Gulf of Mexico. The plant plays a key role in protecting the North Fork Maquoketa River and downstream aquatic habitats from nutrient pollution and other contaminants.
Environmental context
The plant discharges into tributaries of the North Fork Maquoketa River, which flows into the Mississippi River and eventually the Gulf of Mexico. This watershed supports diverse aquatic life and is part of the larger Mississippi River basin, a critical migratory corridor for fish and birds. Nutrient loading from wastewater can contribute to hypoxic zones in the Gulf, making effective treatment important for downstream ecosystem health.
Frequently asked questions
DYERSVILLE WWTP is located on US 20 in Dyersville, Dubuque County, Iowa, United States.
The plant serves approximately 4,058 residents in the Dyersville area.
The treated effluent is discharged into local streams that are part of the North Fork Maquoketa River watershed, which flows into the Mississippi River.
As a U.S. facility, DYERSVILLE WWTP operates under the Clean Water Act and is regulated through an NPDES permit issued by the Iowa Department of Natural Resources.
Plants of this size in the U.S. typically employ secondary treatment, which includes biological processes to reduce organic matter and suspended solids, meeting EPA standards for discharge.
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