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24369 E 757 Rd.
Tahlequah, OK 74464-1949
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Latest Report on Health of Nation's Lakes

National Lakes Assessment:

The Third Collaborative Survey
of Lakes in the United States

This report summarizes the National Lakes Assessment’s key findings on U.S. lake condition. EPA and its state and tribal partners conducted the survey in 2017.

NOTE PLEASE: results are from the 2017 field season.  Field crews are sampling lakes this summer (2022) for the next reporting cycle.

 

Although the time lag between data collection and reporting may seem long, it often takes several years to generate high quality chemical, physical and biological data and results when sampling over a thousand sites...EPA.
https://nationallakesassessment.epa.gov/webreport/

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