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Tools and materials for partners and stakeholders interested in minimizing the impact of chloride on Minnesota lakes, rivers, and groundwater.
A training and certification program for evaluating aquatic life in Minnesota’s rivers and streams.
MPCA's recommended review criteria for wastewater treatment facilities that need to perform system maintenance that requires approval to bypass untreated or partially treated domestic wastewater.
Pretreatment by commercial facilities and other non-domestic wastewater sources removes harmful pollutants before the wastewater is discharged to a municipal sewer system. The U.S. EPA has delegated MPCA the authority to approve pretreatment programs at the local level and oversee statewide pretreatment activities.
Where possible, permit holders must use MPCA's e-Services to apply for reissuance and administrative amendments.
Stakeholders affected by the Minnesota Electronics Recycling Act must be registered with the MPCA.
An air emissions risk analysis estimates the potential human health risks from air pollution emitted by a facility.
MPCA completed 100 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the first half of 2024
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.
Clean heavy-duty off-road equipment grants fund the replacement of older, more polluting diesel equipment with newer, cleaner technology.
Addressing excess nutrient levels in Lake Pepin based on the site-specific water quality eutrophication criteria for the lake developed by the MPCA.
Starting Jan. 1, 2025, the first prohibitions of products containing intentionally added PFAS took effect in Minnesota.
Answers to frequently asked questions about compliance and MPCA's enforcement of environmental rules in Minnesota.
Status of total maximum daily load (TMDL) projects in Minnesota.
The MPCA 401 certification fills a unique niche in protecting water quality by applying state water quality standards to projects.
Many industrial by-products are good candidates for land application based on their nutrient content.
The MPCA completed 75 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2024.
The MPCA closed 118 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2023.