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It was created through Michigan Executive Order #2003-15 to assist the Department of Environment, Great Lakes, and Energy (EGLE) in collecting and sharing water quality data for use in water resources management and protection programs.
Individual Lake Reports. Please click on the County Name to view reports listed by “Lake Name, Site ID. Last Updated.”. The most recent report for each lake will contain all of the previous years’ data as well. If your 2023 report is not listed, that means it hasn’t been finalized yet. The full 2023 set of reports is not yet done.
Current Conditions for Michigan: Water Quality -- 47 site (s) found. Customize table to display other current-condition parameters.
Michigan's unique geographical location provides its citizens with a wealth of freshwater resources including over 11,000 inland lakes. The Water Resources Division (WRD) works with many agencies and local partners to assess the condition of Michigan’s inland lakes.
Great Lakes water levels constitute one of the longest high quality hydrometeorological data sets in North America with reference gauge records beginning about 1860 with sporadic records back to the early 1800's. These levels are collected and archived by NOAA's National Ocean Service.
Data from real-time sites are relayed to USGS offices via satellite and/or radio telemetry and are available for viewing within minutes of arrival. All current conditions data are provisional and subject to revision. Show a custom current conditions summary table for one or more stations.
Historically, EGLE and the Department of Natural Resources (DNR) monitored water quality in Michigan's lakes and streams. In 1973 the former DNR began systematically inventorying and sampling lakes to document trophic conditions as well as to obtain general baseline water quality information.
