Water quality data

Find and download data from surface water monitoring sites in Minnesota. Where available, you can also view the conditions of lakes, rivers or streams that have been assessed.

Data collection and visualization

Data about facilities, sites, and activities that impact water

Water data from other agencies

  • Key water information catalogue (Met Council) — Collection of water data tools
  • Lake Finder (DNR) — Data for more than 4,500 lakes and rivers, including lake surveys, depth maps, water quality data, and fish consumption advice
  • Stream gaging (DNR) — Flow rates for stream and rivers