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MPCA collects information about the sale and use of greenhouse gases with high global warming potential.

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.

Sediment is composed of loose particles of sand, clay, silt, and other substances. Sediment flows into Minnesota lakes, rivers, and streams via runoff in both urban and rural areas.

Minnesota’s greenhouse gas (GHG) emissions dropped by 14% between 2005 and 2022, according to a biennial report from the Minnesota Pollution Control Agency (MPCA) and Minnesota Department of Commerce

Demonstration/research projects (DRPs) allow permittees to explore potential beneficial uses or new methods of solid waste management through a limited-scale project.

Minnesota’s policy is to eliminate or reduce the use, generation, and release of toxic pollutants and hazardous wastes at their source.

Climate adaptation is about developing strategies to help human and natural systems become more resilient to the effects of climate change.

Learn what a brownfield is, how it can negatively affect communities, and resources for cleaning one up.

The Rum River Watershed covers 997,060 acres in east-central Minnesota, covering parts of Aitkin, Crow Wing, Morrison, Mille Lacs, Kanabec, Benton, Isanti, Chisago, Sherburne, and Anoka counties.

Areas and communities with SSTS concerns have wastewater treatment methods that are not adequate to protect public health or the environment. Hundreds of small communities around the state have inadequate wastewater systems.

Septic tanks must be registered in Minnesota to ensure they are watertight and have adequate structural integrity.

The MPCA library provides access to the agency's curated collection of environmental information for agency employees, external professionals, and the public.

MPCA permits are required for construction, modification, and operation of facilities where solid waste is treated, stored, processed, transferred, or disposed.

Minnesota joins several other states in confirming Circular Action Alliance as its PRO for the Packaging Waste and Cost Reduction ActIn early 2024, Minnesota became the fifth U.S. state to enact an…

We Are Water next visits Ortonville and the Big Stone Lake area March 15 through April 21.

Every Minnesotan — regardless of income, race, ethnicity, color, or national origin — has the right to healthy air, sustainable lands, clean water, and a better climate.

The enduring nature of PFAS in the environment makes it important to give special consideration to products containing PFAS when it comes time to throw them out.

Phosphorus management plans help wastewater treatment facility operators and managers evaluate pollution prevention and and management options that can reduce the amount of phosphorus discharged to Minnesota waters.

Mesabi Metallics is currently constructing a new taconite mine and taconite pellet production facility on the site of the former Butler Taconite Mining Company facility near Nashwauk.

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…