Upper St. Croix River

Watershed at a Glance

The Upper St. Croix River watershed is located predominately in the Minnesota/Wisconsin Upland Till Plain portions of the Northern Lakes and Forest ecoregion. This largely forested watershed is 1,316,404 acres in size.

Approximately 62% of the land in this watershed is privately owned, and the remainder is state, federal and county land or held by corporate interests.

Hydrologic Unit Code:07030001
Intensive monitoring start year:2016
Major lakesMajor rivers and streams
Yellow, Shell


The main concerns throughout the watershed are water quality, streambank stabilization, stormwater management, and wetland management.

What's being done

Information is not available at this time.

What is a watershed?

Illustration showing contour of land directing flow of water

Learn the basics of a watershed.

Christopher Klucas, MPCA project manager