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One indicator of impairment that puts a stream on the Impaired Waters List is its macroinvertebrate population. Here's how that works.

Certain types of permits and approvals to conduct solid waste activities require a notification to the MPCA of the intent to perform the specified solid waste activity.

Answers to frequently asked questions about compliance and MPCA's enforcement of environmental rules in Minnesota.

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

In Minnesota, handlers of oil and hazardous substances are required to prepare for potential spills and take steps to prevent them.

Environmental regulations vary by industry. To help you navigate this, we've compiled key considerations based on common industries, processes, and equipment.

Image Although Minnesota is rich in lakes and streams, Lake Superior is easily the most spectacular waterbody in Minnesota. Despite its immense size…

Stakeholders affected by the Minnesota Electronics Recycling Act must be registered with the MPCA.

MPCA completed 100 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the first half of 2024

Any facility that is engaged in a narrative activity or a primary SIC code, as listed in the Multi-Sector General Permit, needs to apply for industrial stormwater permit coverage or certify for No Exposure.

The MPCA has announced five grant recipients who will receive a combined total of more than $1 million in grants for projects to increase the efficiency and effectiveness of waste reduction, reuse, recycling, and composting efforts in Greater Minnesota communities.

Minnesota state agencies and local governments are working together to protect drinking water supplies.

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

This committee included a broad range of stakeholders and was charged with providing perspective, input, and advice to the commissioner on MPCA's water fees.

The MPCA solicited project proposals to distribute $35 million to communities for projects to prepare local stormwater infrastructure for the impacts of climate change.

Septic system owners are responsible for system maintenance. Properly maintaining a septic system will extend its life.

Helping Minnesota businesses comply with environmental rules, reduce wastes and emissions, and reduce regulatory obligations.

The MPCA had $800,000 in grant funding to help businesses, nonprofits, schools, and local governments with projects that use recyclable materials or process recyclable material into a higher value material.

The MPCA's new online training will help small businesses adapt to the effects of climate change and become more resilient.

Solving the problem of oversalted sidewalks is elementary!