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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.

To help you quickly determine whether this permit affects you, what your requirements are, and what to do next, the MPCA has developed an Applicability flow chart

Create an editable spreadsheet with the information indicated below. Each step in your calculations needs to be clear and easy to follow.Facility informationProvide the facility ID, file number, and…

Residential- and high-strength wastewater products registered for use in Minnesota, including the manufacturer's name, a link to the company's web site, and the registered product's name and model.

Important details to help make your e-Service submittal go as smoothly as possible.

Minnesota rules require many facilities that produce air emissions to conduct performance testing.

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.

Stakeholders affected by the Minnesota Electronics Recycling Act must be registered with the MPCA.

Important details to help make your e-Service administrative submittal go as smoothly as possible.

The Mississippi River - Lake Pepin Watershed includes 205,747 acres that drain several small, coldwater streams in bedrock-dominated bluff country.

Status of total maximum daily load (TMDL) projects in Minnesota.