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Determine what type(s) of water quality permit is required at facilities that mine construction sand and gravel; industrial sand; quarry limestone, granite or dimension stone; operate hot mix asphalt production areas; produce concrete block, brick and other products; and/or produce ready-mix concrete.

The Minnesota State Implementation Plan (SIP) is focused on the six criteria air pollutants regulated by national ambient air quality standards (NAAQS): ground-level ozone, fine particles, lead, nitrogen dioxide, carbon monoxide, and sulfur dioxide.

Air pollution levels in Minnesota have steadily decreased over the past few decades and currently meet federal standards. But even levels that meet or are below these standards can affect people’s…

Kohlman Lake, one of 27 bodies of water to come off the impaired waters list this year, did so with substantial help from the Clean Water Fund.

Minnesota is the first state government in U.S. to use this combination of innovative technologies to address "forever chemicals”

The MPCA has a mobile air monitoring program that allows the agency to respond faster to community air quality concerns across the state. The mobile air monitor collects data in areas where permanent…

Septic tanks must be registered in Minnesota to ensure they are watertight and have adequate structural integrity.

The MPCA provides additional guidance on air permitting and regulation requirements: New source review – Obtain a permit before beginning construction on new major-emitting industrial facilities…

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

Pesticide NPDES permit steps to compliance Step 4: Report adverse pesticide incidents

Eight cities will receive grants to create plans that will protect homes and businesses from flooding and other climate impacts

Use these tools to help educate the public and boost participation in your household hazardous waste program.

New Resource Management Report explores how Minnesota could greatly reduce landfill disposal by 2045 through policy changes, major system investments, and performance from emerging technologies.

Lights, camera, antics! Students at Century College script and produce a fun video as part of their coursework.

All facilities with air permits must submit an annual emissions inventory report to the MPCA that tracks actual emissions of major pollutants at that facility.

The MPCA has developed a report to help improve the data when the volume of trash or recyclables has to be converted to weight.

Minnesota participates in this statistical survey of the condition of our nation's lakes, ponds, and reservoirs.

Solving the problem of oversalted sidewalks is elementary!

Volunteers can search for a lake or stream site that works for them and sign up to monitor it.

Prevent costly sewer clogs by keeping grease out of sinks and by not flushing disposable wipes.