Overview
Mallard Lagoon is a secondary wastewater treatment plant serving 634 residents in Mallard, Iowa. It discharges 151.42 megaliters annually and operates under U.S. EPA NPDES permitting.
Mallard Lagoon is a municipal wastewater treatment facility located in Mallard, Iowa, a small community in Palo Alto County. The plant serves a population of approximately 634 residents, reflecting its role as a small-scale treatment system for the local area. The plant provides secondary treatment, which is the standard level required by the U.S. Clean Water Act for municipal wastewater facilities. With a designed capacity of 302.83 megaliters and an annual discharge volume of 151.42 megaliters, the plant operates below its full capacity. As a U.S. facility, it is regulated under the National Pollutant Discharge Elimination System (NPDES) permit program, administered by the Iowa Department of Natural Resources. The treated effluent from Mallard Lagoon is discharged into local waterways that ultimately drain into the Mississippi River Basin. The plant plays a key role in protecting downstream water quality in the region's rivers and streams, supporting aquatic life and recreational uses.
Environmental context
Mallard Lagoon discharges into tributaries of the Des Moines River, which flows southeast to the Mississippi River. The plant's secondary treatment helps reduce nutrient and organic loads, protecting downstream aquatic ecosystems in the Mississippi River Basin. The region's agricultural landscape means that effective wastewater treatment is important for mitigating cumulative impacts on water quality.
Frequently asked questions
Mallard Lagoon is located in Mallard, Iowa, United States, at approximately 42.935 latitude and -94.672 longitude.
The plant serves a population of 634 residents in the Mallard area.
The plant discharges treated effluent into local waterways that are part of the Des Moines River watershed, which ultimately flows to the Mississippi River.
Mallard Lagoon provides secondary treatment, which is the standard required by the U.S. Clean Water Act for municipal wastewater facilities.
As a U.S. municipal plant, Mallard Lagoon operates under the Clean Water Act and is subject to NPDES permit requirements enforced by the Iowa Department of Natural Resources.
Nearby plants