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The Vermilion River Watershed, located within northern St. Louis County, covers 662,427 acres, or 1,035 square miles.

Environmental information for craft breweries, distilleries, wineries, and cideries, and for home brewers who want to start commercial production.

The northeast region of Minnesota is home to the state’s metallic mining industry. The "Iron Range" has a history of iron ore (“ferrous”) mining dating back to the late 1800s and includes the large…

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.

First of a series of MPCA staff profiles. Kevin Stroom conducts research on streams and has published a report about Straight River.

Pollutant and runoff maps and data for major watersheds; watershed monitoring and assessment reports.

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

Residents' guide to stormwater permitting.

The Red Lake River Watershed, which covers 909,024 acres, is part of the Red River Basin in northwestern Minnesota. The Red Lake River begins its course in Beltrami County at Lower Red Lake.

MPCA established a network of long-term biological monitoring stations that represent a variety of stream types in their most natural condition.

Complying with the MS4 general permit

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.

Resources and guidance for TMDL projects in Minnesota.

Permits for wastewater treatment require monthly, quarterly, or annual reporting of discharge monitoring results

Initial screening information for a contaminant of emerging concern, perfluorooctane sulfonate.

The Clearwater River Watershed drains an area of 886,600 acres in the Red River of the North basin. The river flows to the northwest and southwest, eventually emptying into Red Lake River near Red Lake Falls.

The MPCA's Petroleum Remediation Program addresses risks to people and the environment from contamination caused by leaking petroleum storage tanks.

Industrial stormwater steps to compliance Step 6: Meet requirements

In rules, an incorporation by reference states that the contents of another document are part of the rule, even though the text of the referenced document does not appear in the rule itself.

Initial screening information for a contaminant of emerging concern, fluoxetine.