Surprising sources of mercury in Minnesota lakes

DEAR WATERSHED EXPERT: What is the leading cause of water pollution in Minnesota? DEAR WONDERING WATER-LOVER: You might be surprised to learn that mercury from the air is, by far, the leading source of pollution in our lakes and rivers. Ninety-nine percent of the mercury in our lakes and rivers comes from atmospheric deposition. This…

Read More

Statewide Feedback on Water Issues Echoes Local Concerns in East Metro and St. Croix Valley

Data shows that 40% of Minnesota lakes, rivers and streams are classified as impaired, and the East Metro and St. Croix Valley are no exception.

Read More

Recent unhealthy air a reminder that air and water don’t follow political boundaries

It turns out that atmospheric deposition (mercury in the air that falls down onto the land and water) supplies more than 99.5% of the mercury getting into fish.

Read More