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The Rainy River - Rainy Lake Watershed covers 583,791 acres. Open water makes up 75,815 of those acres and wetlands occupy another 84,851 acres. The watershed is 64% in St. Louis County and 36% in Koochiching County. The northern boundary is part of the international border waters with Ontario, Canada.
Forms and guidance for local partners submitting surface water data, QA/QC information and progress reports to MPCA.
The Rapid River watershed covers 573,060 acres in northern Minnesota. Over 79% of the land in the watershed is owned or managed by state entities.
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…
Image The MPCA and the Minnesota Department of Health (MDH) regulate the handling of asbestos-containing material in Minnesota, to prevent asbestos…
Biosolids that will be applied to land must meet strict regulations and quality standards.
The MPCA has initiated a declaratory judgement action against the owners of the Freeway Landfill and Freeway Dump in Burnsville to protect the drinking water supply for Burnsville and Savage residents.
Environmental regulations vary by industry. To help you navigate this, we've compiled key considerations based on common industries, processes, and equipment.
State Superfund sites are listed on the Minnesota Permanent List of Priorities (PLP) primarily in order to access funding when responsible parties are unwilling or unable to conduct the necessary site investigation and cleanup.
Contact the Minnesota Pollution Control Agency by phone or online form. This page includes office locations and options to requests for assistance or report emergencies.
Find sustainable products for your business with these helpful certification and labeling systems.
MPCA investigation in 2025 found that Sheldahl Flexible Technologies submitted incorrect permit applications and failed to obtain MPCA approval prior to installing or modifying three pieces of industrial mixing equipment.
Properly trained and certified SSTS personnel are critical. What work duties can local program staff do before becoming certified, and how can that process be expedited?
An air emissions risk analysis estimates the potential human health risks from air pollution emitted by a facility.
The Lake Allie wastewater treatment facility will pay more than $13,000 in fines and follow a corrective action plan for violating its wastewater permit in Buffalo Lake, Minn.
Ground-level ozone is a secondary pollutant formed through chemical reactions between nitrogen oxides (NOx) and volatile organic compounds (VOCs). Ozone can irritate the eyes, nose and throat,…
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.
Don't let your septic system freeze. Here are some simple tips that can help you avoid costly problems with your septic system.
Each year, MPCA hires seasonal positions to assist with biological monitoring of streams and wetlands during the summer months.
Minnesota’s biosolids PFAS strategy requires all biosolids intended for land application be tested for PFAS before use and response actions based on sample results.