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Online tool showing Minnesota waters failing to meet one or more water quality standards.
Frequently asked questions about SSTS certification and licensing.
This long-term data gathering initiative helps track trends in water bodies around the state. The MPCA is grateful for every volunteer who has dedicated time to monitoring their favorite lake or stream.
Water quality trading is a market-based approach to the protection and restoration of surface waters, another tool to be used in conjunction with existing voluntary, regulatory, and financial assistance programs.
Initial screening information for a contaminant of emerging concern, beta-sitosterol.
The Little Sioux River Watershed covers more than 1.8 million acres in southwestern Minnesota. Its small prairie streams flow through the southern portions of Nobles and Jackson counties and into Iowa.
Only a very small portion of the 1.35-million-acre Upper Big Sioux River Watershed is located in Lincoln County in western Minnesota; the vast majority is located in eastern South Dakota.
SSTS work in Minnesota must be completed by licensed businesses under the supervision of certified individuals.
Any facility that emits air pollutants above certain levels is required to have an air quality permit.
The Upper Iowa River is a 156-mile-long tributary of the Mississippi River that rises in Mower County in southeastern Minnesota near the Iowa border. It then flows south through three Iowa counties before flowing into the Mississippi. It drains nearly 641,000 acres (1,005 square miles).
For more than 50 years, volunteers have gathered critically important water clarity data on Minnesota lakes and streams.
Apply for funds to help assess sites with known or suspected contamination and develop remediation plans.
The Lower Des Moines River Watershed is located in southwestern Minnesota. It covers approximately 703,000 acres.
The MPCA plans to amend water quality standards (Minn. Rules chapter 7050) affecting Class 2 beneficial uses, which protect surface waters for aquatic life and recreation.
MPCA permits are required for extensions, additions, or other modifications to sanitary sewer collection systems that result in new or increased discharges of pollutants.
Pesticide NPDES permit steps to compliance Step 4: Report adverse pesticide incidents
Roundup of key environmental justice laws passed by the Legislature in 2023
The Minnesota Pollution Control Agency is planning amendments to rules governing water quality fees (Minn. R. ch. 7002 and 7083).
The MPCA regulates both underground and aboveground commercial storage tanks above a certain size that hold petroleum or hazardous liquids.
Privacy rightsSeveral federal and state laws protect your privacy rights regarding the information the MPCA has about you. At times, an MPCA staff member may ask you to provide information about…