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Chemicals in the air toxics emission inventory.

Registration form for service providers operating in Minnesota as a part of the state’s Packaging Waste and Cost Reduction Act.

The health of Minnesota's large rivers is a reflection of how well we are protecting overall water quality.

Responding to complex, technical product specificationsAsk questions! Use the Q&A process outlined in the Request for Proposal (RFP) or Request for Bid (RFB)Some sustainability improvements lead…

Lake of the Woods is a big lake with a big problem caused by one of nature’s smallest organisms: algae. Scientists from the MPCA and the Science Museum are working together to understand why.

Minnesota GreenCorps member Leslie Alcantar Mejia helped Hennepin County toward its goal of planting 1 million trees during her service term.

Streams of the Upper St. Croix Watershed are among the most biologically intact, healthy, and resilient of watersheds in Minnesota.

In early 2024, Minnesota became the first U.S. state to establish a product stewardship program for boat wrap, which must provide free collection, transportation, reuse, recycling, and disposal.

Eight grant recipients will receive $302,173 for projects that will make the state’s soil healthier and reduce the emission of greenhouse gases. All are focused on composting organic waste in multi-resident housing.

When temperatures climb, conditions are ripe for Minnesota lakes to produce algae blooms, some of which can be harmful to pets and humans.

Under the federal Clean Water Act, states must designate beneficial uses for all waters and develop water quality standards to protect each use.

The MPCA investigates sites where hazardous substances have been or could be released to identify risks and appropriate remediation plans.

A gateway to common regulatory information that affects stationary engines.

A watershed is the area of land where all of the water that drains off of it goes into the same place — a river, stream or lake.

Minnesota passed a law in 2023 that restricts the use of lead and cadmium in 15 categories of consumer products, including toys and school supplies.

Groundwater is the source of drinking water for about 75% of all Minnesotans and provides almost all of the water used to irrigate crops. Its purity and availability is critical to the health of the state.

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.

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.

Improving water quality in Lake George has required treating phosphorus in the water and filtering pollutants out of urban stormwater.

An air emissions risk analysis estimates the potential human health risks from air pollution emitted by a facility.