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The MPCA's regulatory, cleanup, and monitoring programs create and maintain spatial data that serve our environmental protection work and can be shared with partners and researchers.

Company failed to install and upgrade equipment compatible with the fuels it was storing at seven of its convenience stores in Freeborn and Mower counties.

Forms and guidance for local partners submitting surface water data, QA/QC information and progress reports to MPCA.

MPCA rules govern how septic systems are designed, installed, and managed.

The National Crude Oil Spill Research Site near Bemidji was formed after a pipeline break released 10,000 barrels of crude oil in 1979.

Forms, guidance, and assistance to apply for an air quality permit.

This webpage will not only address potential noncompliance issues for air permittees, but it will help inspectors get all of the necessary information to facilities with one link.

Initial screening information for a contaminant of emerging concern, triclocarban.

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.

Many industrial by-products are good candidates for land application based on their nutrient content.

Excess phosphorus is harming Minnesota waters. Phosphorus comes from both regulated and non-regulated sources. A quarter of Minnesota lakes have high levels of phosphorus, which means that they do…

Pesticide NPDES Permit Steps to Compliance Step 2: submit a notice of intent

Composting organic waste and compostable products creates a valuable product that improves soil fertility, conserves water, and reduces erosion.

Sugar beet processing facility emitted higher levels of hydrogen sulfide and particulates than its permit allows between 2020 and 2022. The Polk-Norman-Mahnomen Community Health Board will receive 40% of the $350,000 penalty according to a new Minnesota statute enacted in 2023.

Initial screening information for a contaminant of emerging concern, beta-sitosterol.

Initial screening information for a contaminant of emerging concern, fluoxetine.

Per- and polyfluoroalkyl substances (PFAS) are a group of thousands of human-made chemicals that do not break down over time. PFAS are sometimes called “forever chemicals” due to their extreme…

The Minnesota River - Yellow Medicine River Watershed (1.3 million acres) has traditionally been managed as two separate watersheds, the Hawk Creek Watershed to the north of the Minnesota River and the Yellow Medicine River Watershed to the south.

Initial screening information for a contaminant of emerging concern, perfluorooctane sulfonate.

Minnesota prohibits rechargeable batteries and products with non-removable rechargeable batteries from being disposed of in mixed municipal waste.