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The Chippewa River Watershed covers 2,085 square miles and drains portions of eight counties in west central Minnesota.
Air quality dispersion modeling uses a computer model to estimate air pollution concentrations from regulated facilities and other sources of pollution.
The Rainy River - Rainy Lake Watershed covers 583,791 acres. Open water makes up 75,815 of those acres and wetlands occupy another 84,851 acres. The watershed is 64% in St. Louis County and 36% in Koochiching County. The northern boundary is part of the international border waters with Ontario, Canada.
Image Many commercial buildings in Anoka, Carver, Dakota, Hennepin, Ramsey, Scott, and Washington counties are required to recycle at least three of the…
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.
Only a very small portion of the 1.35-million-acre Upper Big Sioux River Watershed is located in Lincoln County in western Minnesota; the vast majority is located in eastern South Dakota.
The Pomme de Terre River begins cool and clear in Otter Tail County, bordered by wooded hills and grassy meadows. It flows south through several lakes; as the river nears its mouth, it is bordered by eroding banks, becoming increasingly muddy before discharging into the Minnesota River at Marsh Lake.
An air emissions risk analysis estimates the potential human health risks from air pollution emitted by a facility.
Licensing and certification requirements for SSTS businesses and professionals.
A cumulative impacts analysis provides a comprehensive look at all burdens that affect a community or neighborhood.
This page provides assistance for local units of government with development and implementation of their SSTS program.
The Lake of the Woods lies on the border between the U.S. and Canada; the watershed covers 734,783 acres.
The Lake Superior - North Watershed covers over 1 million acres in the Northern Lakes and Forest ecoregion.
The TMDL is based on 62 impairments for turbidity and total suspended solids along the Minnesota River and its tributaries and in the Greater Blue Earth River basin.
A project to address high levels of suspended sediment in the Minnesota River and the South Metro portion of the Mississippi River.
Minnesota law requires that people notify the MPCA (through the Minnesota Duty Officer) immediately when more than five gallons of petroleum or any amount of any substance under their control is released into the environment that could cause pollution of waters of the state.
Environmental information and permits that affect businesses using boilers.
An index of biological integrity (IBI) is a particularly powerful tool that provides an accurate measure of the condition of the biological communities and are a direct determinant of the attainment of aquatic life uses.
Privacy rightsSeveral federal and state laws protect your privacy rights regarding the information the MPCA has about you. At times, an MPCA staff member may ask you to provide information about…
The Lower Rainy River Watershed is composed of a conglomeration of tributaries to the Rainy River, from International Falls and west to the Rainy River's pour point at the Lake of the Woods.