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Dimke Excavating and the National Sports Center each fined more than $13,000 for violations of their construction stormwater permit

The fines stem from a release of sediment-laden water into a county ditch, and subsequent failures to notify, repair, and report on the incident.

Air toxics emissions reporting guidance

Chemicals in the air toxics emission inventory.

Wastewater permit additional guidance and information

Resources for wastewater clients.

Upper St. Croix River

Streams of the Upper St. Croix Watershed are among the most biologically intact, healthy, and resilient of watersheds in Minnesota.

MPCA completes 118 enforcement cases in second half of 2023

The MPCA closed 118 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2023.

SSTS financial assistance

Financial assistance for SSTS work is targeted to units of local government.

In addition to the vessel requirements in the EPA VGP and Minnesota’s ballast water general permit, vessels must follow the requirements in Minnesota Statutes and Minnesota’s 401 certification of the VGP.

Air quality alert issued due to wildfire smoke for Wednesday, Sept. 4, through Thursday, Sept. 5, for northwestern Minnesota

Image Air quality is expected to reach the orange AQI category in northwestern Minnesota, which is unhealthy for sensitive groups.The Minnesota…

MPCA awards $4.83 million for air sensors in metro area communities

Communities facing the impacts of air pollution will soon have new resources to understand and improve the air quality in their neighborhoods after the MPCA awarded $…

Northshore Mining fined $19,000 for wastewater permit violations

From 2023-2025, Northshore Mining released recycled water to the ground seven times and water relating to mining processes four times. Its largest unpermitted release was nearly 400,000 gallons of recycled water. Northshore Mining has documented equipment failure as the reason for the 11 releases.

Community meetings about Gopher Resource in Eagan

The MPCA, Dakota County, and the Minnesota Department of Health will jointly host two community meetings about a recent event at Gopher Resource in Eagan.

Rapid River

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.

Rainy River - Headwaters

The Rainy River - Headwaters Watershed covers nearly 1.9 million acres, starting in northern Cook and Lake Counties and flowing west/northwesterly into St. Louis County and the Canadian border waters.

Water fee advisory committee

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.

Underground storage tanks

In Minnesota, about 18,000 regulated underground storage tanks (UST) are in use. State rules specify requirements for underground storage tanks (UST) that store petroleum or hazardous substances, and any piping or other structures that are part of the tank systems.