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

Hot mix asphalt plants in Minnesota must follow federal and state air standards.

The MPCA certifies Minnesota municipal, government, or industrial laboratories that are used to comply with National Pollution Discharge Elimination System (NPDES)/State Disposal System (SDS) permits or for water quality work for agency programs.

Information for cannabis growers and processors to understand environmental regulations and permits that may apply to their businesses.

From the days when raw sewage flowed into rivers and lakes, Minnesota’s water bodies have come a long way. However, there is still work to be done in the restoration and protection of our waters.

Important details to help make your e-Service administrative submittal go as smoothly as possible.

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.

The Lake Superior - North Watershed covers over 1 million acres in the Northern Lakes and Forest ecoregion.

The Lake Superior - South Watershed covers 402,371 acres.

The Leech Lake River Watershed consists of approximately 854,659 acres (1,335 sq. miles) in the northern part of the Upper Mississippi River Basin. The watershed includes parts of Beltrami, Cass, and Hubbard counties and the Leech Lake Reservation (Leech Lake Band of Chippewa).

Willernie-based Revitri won the MPCA’s Green and Sustainable Chemistry Prize for its innovative manufactured glass beads

MPCA's compliance and enforcement program tracks how well wastewater treatment facilities are complying with their permits and takes enforcement actions when necessary.

State agencies support Minnesota's sustainable purchasing efforts by using state contracts.

This long-term data gathering initiative helps track trends in water bodies around the state. The MPCA is grateful for every volunteer who has dedicated time to monitoring their favorite lake or stream.

Excess nitrate remains a long-term challenge to manage. In our lakes, rivers, and streams, it is toxic to fish and other aquatic life. In drinking water, it can pose a risk to human health,…

Use these checklists to speed review and approval of wastewater design documents

Removing Middle Lake from the impaired waters list required wrangling with a bottom feeder, the invasive carp.

The MPCA has released the draft 2025 Minnesota Nutrient Reduction Strategy for public review and comment.

How to prepare recycling for the curb

Polycyclic aromatic hydrocarbons (PAHs) are a class of more than 100 chemicals that occur naturally in coal, crude oil, and gasoline, and are also present in products made from fossil fuels, such as…