Water data

Water monitoring data

Lake and stream information
Water quality and biological data, assessments, and impairments

Lake and stream water clarity data (citizen gathered)

Watershed pollutant load monitoring data

Impaired waters viewer

Streams: altered watercourses
Minnesota Statewide Altered Watercourse Project

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

Groundwater monitoring data search with map- and text-based tools

Spatial data
Create your own maps using MPCA water information

Data about facilities, sites, and activities that impact water

Industrial stormwater permit search

Construction stormwater permit search

Stormwater: Special and impaired waters search
Preparing a Stormwater Pollution Prevention Plan (SWPPP) or applying for a Construction Stormwater permit for a construction project?

Wastewater data browser

What’s in My Neighborhood
Contains stormwater permit data (map and text search)

Minnesota water data from other government sources

Key water information catalogue
Collection of water data tools from Met Council