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MPCA staff studied the river during this summer's extreme drought conditions to see if tighter limits on phosphorus are protecting aquatic life.

Every Minnesotan — regardless of income, race, ethnicity, color, or national origin — has the right to healthy air, sustainable lands, clean water, and a better climate.

The MPCA has actively been developing methods and building capacity to improve our ability to monitor and assess wetlands to protect and restore them.

One of 12 major watersheds of the Minnesota River Basin, the Watonwan River Watershed covers 878 square miles in south-central Minnesota.

Launched in 2022, the PFAS monitoring plan lays out a path for PFAS monitoring at solid waste, wastewater, and stormwater facilities; hazardous waste landfills; facilities with air emissions; and…

Recycling market development works to expand end markets and boost the demand for recycled materials.

Study funded by the $850 million settlement that Minnesota reached with 3M in 2018  focused on the area served by the Valley Branch Watershed District’s Project 1007 rainwater conveyance system in the East Metro.

This webpage will not only address potential noncompliance issues for air permittees, but it will help inspectors get all of the necessary information to facilities with one link.

Willernie-based Revitri won the MPCA’s Green and Sustainable Chemistry Prize for its innovative manufactured glass beads

The MPCA provides educational information about the status of Minnesota’s air, water, land, and climate and can point you toward beneficial actions you can take as students, teachers, and life-long learners interested in Minnesota’s sustainable future.

MPCA plans to amend existing Minnesota Rules governing permits and solid waste landfills (chapters 7001 and 7035).

This long-term data gathering initiative helps track trends in water bodies around the state. The MPCA is grateful for every volunteer who has dedicated time to monitoring their favorite lake or stream.

One indicator of impairment that puts a stream on the Impaired Waters List is its macroinvertebrate population. Here's how that works.

Training resources for feedlot officers in Minnesota.

Some Minnesota companies are helping expand the use of recycled materials in the state, thanks to market development grants from the MPCA.

The MPCA has withdrawn proposed rules relating to waste treated seeds.

Planned amendments to Minn. Rules ch. 7050 affect the Class 1 beneficial use, which protects waters (both surface and groundwater) used as a source for domestic consumption.

The triennial standards review offers every Minnesotan the opportunity to comment on essentially every water quality standard the agency defines to protect the waters that they drink, swim in, and fish from.

The MPCA is developing a sulfate multi-discharger variance (MDV) for wastewater facilities that are currently unable to meet the state water quality standard for sulfate.

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.