Notices: The Association does not endorse any of the links provided. They are for the convience of the users.

DNR Lake Finder To access data for over 4,500 Minnesota lakes and rivers, visit the Minnesota DNR's Lake Finder. 

MPCA Lake Water Quality Database -
US EPA Monitoring and Assessing Water Quality -


County Government sites:


State Government sites:

MPCA Contacts on Water Quality Standards - The following MPCA staff can answer questions and provide additional information on water quality standards. 
General: Mark Tomasek  651-296-7241
                Gerald Blaha      651-296-7245

Water Quality Standards page at the Minnesota Pollution Control Agency’s

MPCA - Minnesota’s Impaired Waters 101 A very brief history of the Clean Water Act


Federal Water Quality Standards Web Sites.


Environmental Websites




Water Resources and Experts 

  • Modeling Software - HydroCAD® Stormwater Modeling hydrology since 1986 - Over 20,000 installations