A Martha Stewart Guide to Lake Water Quality

Three variables – water clarity, total phosphorus, and chlorophyll – are combined to create a metric known as a trophic state index.

A few years back, Jerry Spetzman began noticing that the color of the algae samples on a white filter corresponded almost perfectly with the lakes’ overall water quality.

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Feedback from local communities helps to shape Lower St. Croix 10-Year Watershed Plan

Learn more: Feb. 20 in North Branch or March 2 in Stillwater Over the past two years, 15 local government partners in Anoka, Chisago, Isanti, Pine, and Washington Counties have been working to create a shared watershed plan to guide collaborative work in the Lower St. Croix region for the next 10 years. Known as…

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