Overview
LONSDALE WWTP serves Lonsdale, Minnesota, treating wastewater for approximately 4,111 residents. The plant operates under U.S. EPA and Minnesota Pollution Control Agency regulations, discharging into local waterways.
LONSDALE WWTP is a municipal wastewater treatment facility located in Lonsdale, Rice County, Minnesota. Serving a population of about 4,111, the plant is part of the city's infrastructure for managing domestic wastewater. As a small to medium-sized facility, it plays a key role in protecting local water quality. The plant operates under the U.S. Clean Water Act, which requires National Pollutant Discharge Elimination System (NPDES) permits for all discharges. In Minnesota, the Minnesota Pollution Control Agency (MPCA) administers these permits. For a community of this size, secondary treatment is typically required, ensuring removal of organic matter and suspended solids before discharge. The treated effluent is released into a local water body that drains into the Cannon River watershed, eventually reaching the Mississippi River. This downstream connection underscores the plant's role in safeguarding regional water resources and supporting aquatic life in the broader basin.
Environmental context
The plant discharges into a tributary of the Cannon River, which flows into the Mississippi River. This watershed supports diverse aquatic species and provides habitat for fish and wildlife. The Cannon River is a designated trout stream in parts, highlighting the importance of maintaining high water quality standards to protect coldwater fisheries and recreational uses.
Frequently asked questions
LONSDALE WWTP is located on Willow Creek Drive Southeast in Lonsdale, Rice County, Minnesota, United States.
The plant serves approximately 4,111 residents of Lonsdale, Minnesota.
The treated effluent is discharged into a local water body that is part of the Cannon River watershed, which ultimately flows into the Mississippi River.
The plant operates under the U.S. Clean Water Act, with NPDES permits administered by the Minnesota Pollution Control Agency (MPCA). These permits set limits on pollutants to protect water quality.
For a community of this size, secondary treatment is standard, which includes biological processes to remove organic matter and suspended solids. The Clean Water Act requires secondary treatment for most municipal plants.
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