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Citizen Lake Monitoring Program

Because lakes are so central to Minnesota's economy and way of life, it is imperative that we try to maintain and improve the quality of water in our state's lakes. The Citizen Lake-Monitoring Program (CLMP) requires only minimal volunteer time, yet it provides what is essential for achieving these goals.​

Several GCOLA members have been taking water clarity measurements for over 30 years.

​To find out more about the program and what volunteer lake-monitors do, check out our monitoring handbook.

● Citizen Lake Monitoring Program Handbook

● History of the Secchi Disk

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