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Certain proposed projects — based on their nature, size, location, or other factors — must go through an environmental review before any required permits or approvals are issued.

A series of new culverts in Lake County reconnect brook trout habitat and provide resilience to climate change for area roads.

Tools and materials for partners and stakeholders interested in minimizing the impact of chloride on Minnesota lakes, rivers, and groundwater.

In Minnesota, wastewater treatment operators must be certified to ensure that facilities meet operational requirements.

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

Minnesota’s air currently meets all federal air quality standards. However, even levels of air pollution below the standards can affect people’s health, including levels currently found in parts of Minnesota.

Information about the work to clean up the pollution from over 100 years of unregulated development and industrial practices.

A cumulative impacts analysis provides a comprehensive look at all burdens that affect a community or neighborhood.

Guidance and recommendations for local officials dealing with public health issues related to blue-green algae.

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.

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