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Chloride is a problem for wastewater facilities and stormwater permittees.
Image Stormwater has an enormous impact on water quality in Minnesota, whether it's runoff from farm fields or from urban hardscapes. Rain and snow…
Residents' guide to stormwater permitting.
The MPCA studies, monitors, and regulates water pollutants to protect human health and the environment. Minnesota water quality standards strives to protect water for use, measures health of waters, and guides limits on what regulated facilities can discharge to surface waters.
Permits help the MPCA protect the environment.
State and federal permits and regulations that are designed to protect groundwater and surface water (lakes, rivers, streams, and wetlands) apply to specific facilities and processes that could pose…
MPCA issues coverage to construction site owners and their operators to prevent stormwater pollution during and after construction, and protect Minnesota's water resources.
Answers to common questions about the Construction Stormwater Permit application
The Minnesota Pollution Control Agency is planning amendments to rules governing water quality fees (Minn. R. ch. 7002 and 7083).
Stormwater runoff is a leading source of water pollution, and the state general permit is designed to reduce the amount of sediment and other pollutants entering state waters.
Minnesota industrial stormwater permittees in certain industries to monitor for PFAS in their stormwater runoff or snow.
Complying with the MS4 general permit
Application forms and instructions for applying for wastewater permits.
Construction and interim feedlot permit forms
Permit 2025 Multi-Sector General Permit for Industrial Stormwater (wq-strm3-102g) Effective June 1, 2025 Updates and new…
Resources for wastewater clients.
Information for larger feedlot owners on the federal National Pollutant Discharge Elimination System (NPDES) and State Disposal System (SDS) permits for construction and operation permits in Minnesota.
Industrial Stormwater Steps to Compliance - Step 5: Gather application materials before applying, use the e-Service to apply or modify coverage
Guidance on NPDES/SDS construction stormwater requirements
Resources and best management practices to help protect water quality on construction sites.