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Ask the MPCA features questions Minnesotans have asked us, on the issues the agency works on, from waste disposal, water and air quality, and chemicals in products to recycling and reuse,…

Resources for the dry cleaning industry

Minnesota’s 24-Hour Nitrate Network generates publicly available water quality data on nitrate levels in our surface water.

MPCA has released the first in a series of reports on industrial uses of PFAS in Minnesota and identifying alternatives.

Information for larger feedlot owners on the federal National Pollutant Discharge Elimination System (NPDES) and State Disposal System (SDS) permits for construction and operation permits in Minnesota.

The city of Owatonna in southern Minnesota is proposing to expand and upgrade its wastewater treatment facility. The MPCA has drafted a permit for the discharged wastewater that would limit several potential pollutants.

Minnesota businesses, organizations, and municipalities seeking or holding MPCA wastewater permits are charged two basic types of permit fees: application fees and annual fees.

Owners/operators of construction activity must complete several steps before completing a permit application and beginning construction. These steps also help owners/operators determine their eligibility for coverage under the general permit.

Dentists in Minnesota must meet federal and state requirements to limit the amount of mercury in their wastewater.

Some facilities may have air emissions low enough to qualify as "insignificant," and not be required to have an air permit.

Communities that are resilient to climate change are able to effectively to prepare for and recover from its effects, and continue to thrive.

The Metropolitan Council proposes adding a fourth wastewater incinerator which requires an amendment to the facility’s current air emissions permit.