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Minnesota participates in this statistical survey of the condition of our nation's lakes, ponds, and reservoirs.

Volunteers can search for a lake or stream site that works for them and sign up to monitor it.

The MPCA created a statewide inventory of streams that have been hydrologically modified: channelized, ditched, or impounded

The MPCA is authorized to develop numeric water quality criteria that apply specifically to a water body or region where the pollutant is found, using data from that water body or region.

The MPCA plans to amend Minnesota Rules chapter 7050, which establishes beneficial uses and water quality standards to protect those uses, and designates where the uses occur in waters of the state.

The MPCA works with partners throughout Minnesota each year to gauge the health of waters and identify stressors that harm fish and other aquatic life.

Pesticide NPDES permit steps to compliance: Terminating pesticide permit

If you're new to the septic system world at the county level, or even if you've been in the job for a while, MPCA offers videos and companion documents to provide valuable background and insights.

The MPCA amended Minnesota Rules relating to the grant application process for the solid waste management capital assistance program.

The Two Rivers Watershed is part of the Red River Basin in northwestern Minnesota. Two Rivers actually consists of three branches: the North, Middle, and South Branch.

Industrial Stormwater Steps to Compliance Step 4: Create SWPPP, choose BMPs

This permit aims to reduce phosphorus discharged by point sources to the Minnesota River Basin. This webpage contains links to the permit and its associated forms and fact sheets.

Minnesotans are encouraged to share feedback through Nov. 9, 2025

We hope to make your monitoring experience as easy and enjoyable as possible. If you have any questions, or don’t find the resources you need, please contact us. 13456: Volunteer water…

Industrial Stormwater Steps to Compliance - Step 5: Gather application materials before applying, use the e-Service to apply or modify coverage

Minnesota rules identify 16 standing beneficial uses for which waste generators or end users can simply follow the applicable rules without contacting the MPCA.

The kind of permit a facility needs depends on how much air pollution the facility could emit based on its equipment or processes.

Composting your Halloween jack-o'-lantern is a good way to keep it out of the landfill. So is giving it to a local farmer.

Lights, camera, antics! Students at Century College script and produce a fun video as part of their coursework.

Create an editable spreadsheet with the information indicated below. Each step in your calculations needs to be clear and easy to follow.Facility informationProvide the facility ID, file number, and…