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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.
Young Life Castaway Club violated several wastewater regulations, mainly modifying wastewater treatment systems without approval, between 2019 and 2022 at its youth and family camp on Pelican Lake, just south of Detroit Lakes. These violations carry serious risks of harm to the environment.
Learn what you can do to protect yourself and your community from environmental problems caused by flooding.
Nitrogen management plans help operators of wastewater treatment facilities understand the inputs of nitrogen to their facilities and evaluate options that can reduce the amount of nitrogen discharged.
In Minnesota, certain tasks in the design, installation, repair, maintenance, operation, or inspection of septic systems can only be done by certified individuals. Find out what training, experience, and exams are required to fulfill the requirements for certification.
Protecting and restoring water quality is one of the MPCA's core areas of focus.
The Metropolitan Council proposes adding a fourth wastewater incinerator which requires an amendment to the facility’s current air emissions permit.
MPCA permits are required for construction, modification, and operation of facilities where solid waste is treated, stored, processed, transferred, or disposed.
The MPCA completed 78 enforcement cases for water quality, air quality, waste, stormwater, and wastewater violations in the second half of 2025, for a total of 146 for the year.
BNSF Railway Company paid a fine of $20,000 for industrial stormwater and wastewater permit violations at its Willmar facility.
Northshore Mining Company has applied for updated wastewater and air quality permits for its Silver Bay taconite processing plant and Mile Post 7 tailings basin.
Businesses with low levels of actual emissions can submit a simplified permit application and obtain a registration permit, with greater flexibility to make changes as long as they continue to maintain permit requirements.
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.
Resources and guidance for TMDL projects in Minnesota.
New major-emitting industrial facilities and major modifications of existing facilities must obtain a permit before construction and include the best pollution-control technology available if they significantly increase emissions.
Water quality trades that have been arranged in Minnesota illustrate many opportunities to enhance pollution reduction efforts while offering flexibility and cost savings to regulated municipalities and industries.
Allows new and expanding wastewater treatment facilities to receive a discharge permit prior to completion of an applicable phosphorus-related TMDL. Through pre-TMDL phosphorus trading a, a new or expanding facility may increase its phosphorus discharge by purchasing a phosphorus reduction from another source.
Austin's municipal wastewater treatment plant discharged ammonia and fecal coliform over permitted limits into the Cedar River.
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.
Failed to properly operate its wastewater treatment facility for the River Park housing development in Oronoco, Minnesota, from Aug.-Dec 2023 before connecting to the newly constructed Oronoco wastewater treatment plant.