National Park Service Aquatic Biologist Byron Karns doing a dive demo at Minnesota Interstate State Park
St. Croix 360 builds support for river stewardship, and connects people and organizations. It is an independent news source produced by Greg Seitz, with past support from the St. Croix River Association.
One of the biggest challenges facing the St. Croix River is harmful blooms of algae in in the lower river, due to excess nutrients in runoff. The goal is to restore the river by reducing phosphorus levels to 360 tons/year. Learn more »
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