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Stormwater runoff is a leading source of water pollution, and the state general permit is designed to reduce the amount of sediment and other pollutants entering state waters.

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.

Underground storage tank (UST) facilities must designate owners, operators, or employees as Class A, Class B, and Class C operators.

The MPCA has developed best practices for vapor intrusion mitigation and public communication work used by the agencies and our contractors.

Up to $20 million in grants for projects that restore and enhance aquatic resources, wildlife, habitat, fishing, and outdoor recreational opportunities in portions of Washington, Ramsey and Dakota counties and downstream areas of the Mississippi and St. Croix rivers affected by PFAS released by 3M.

The amount of hazardous waste you generate will dictate your waste generator status.

Northshore Mining Company has applied for updated wastewater and air quality permits for its Silver Bay taconite processing plant and Mile Post 7 tailings basin.

With the end of the 2025 model year in the automobile industry, so ends Minnesota's Clean Cars rule.  The Clean Cars rule, adopted in 2020, had a goal of electric vehicles exceeding 6% of all…

Increasing organics collection and processing infrastructure is necessary to meet statewide recycling goals

In Minnesota, certain tasks in the design, installation, repair, maintenance, operation, or inspection of septic systems can only be done by certified individuals. Find out what training, experience, and exams are required to fulfill the requirements for certification.

In the management of construction stormwater, MPCA recognizes Southwest Light Rail Extension project for responsible development through stormwater controls.

A project to address excess sediment and turbidity in the Mississippi River, from Fort Snelling at St. Paul to upper Lake Pepin at Red Wing, based on a site-specific standard developed by the MPCA and Wisconsin Department of Natural Resources.

Thanks to years of restoration efforts, the MPCA confirmed the Kabekona River meets water quality standards for recreation and proposed its removal from the 2026 impaired waters list.

Lake of the Woods is a big lake with a big problem caused by one of nature’s smallest organisms: algae. Scientists from the MPCA and the Science Museum are working together to understand why.

The Blue Earth River begins in northern Iowa and meets with the West Branch Blue Earth River in Faribault County. The watershed includes parts of eight counties in southern Minnesota and four in northern Iowa.

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

Coal tar-based sealants can no longer be sold or applied legally in Minnesota as of 2014.

Learn about environmental regulations that may apply to your business. It is not an exhaustive list, so other regulations may apply.

The MPCA uses the EQuIS database to store and manage monitoring data and associated laboratory results from streams, lakes, groundwater, ambient air, soil, sediment, and gas, collected through MPCA programs and partnerships.

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