Search

Create an editable spreadsheet of details about your facility to make calculations of emissions.

The Rapid River watershed covers 573,060 acres in northern Minnesota. Over 79% of the land in the watershed is owned or managed by state entities.

Volunteer-collected data are regularly used in decision-making and conservation efforts. Find a program that excites you and join in.

Minnesota has revised state water quality standards to incorporate a tiered aquatic life use (TALU) framework for rivers and streams.

Complaints of discrimination will be investigated

A water quality variance is a temporary change in a state's water quality standard for a specific pollutant and its relevant criteria, allowing deviation from meeting a water quality-based effluent limit for a particular discharger.

MPCA recognized 253 municipal and industrial wastewater treatment plants for outstanding operations in 2023.