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Water quality monitoring equipment

LakeForecast water quality monitoring in 2021

In 2021, our volunteers embarked on the 9th season of LakeForecast water quality monitoring. This work involved collecting nearshore condition reports at piers, beaches, parks, and access points around the five Yahara lakes. From May through September, volunteers took water quality measurements. They measured water clarity, recorded air and water temperature, identified the presence of green algae and cyanobacteria, and noted additional visual observations. Reports are entered into the LakeForecast app where all data are updated in real time.

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James Madison Park Lake and Fog

Lake Mendota is the largest of the lakes in the Yahara chain. The watershed surrounding the lake is primarily agricultural, including many fourth and fifth generation dairy farms to the north, but is experiencing rapid urban growth.

Phosphorus that enters Lake Mendota from its tributaries are carried down the chain of lakes via the Yahara River and represent the largest sources of excess nutrients in the lower lakes. To improve water quality in the chain of lakes, we need to make improvements in the land surrounding Lake Mendota.

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Clean Lakes Alliance volunteer monitors see improvements and mixed results

MADISON, Wis. — Clean Lakes Alliance has released results from the 2016 monitoring season on lakes Mendota, Monona, Wingra, Waubesa and Kegonsa. Over the past three years, the volunteer-based program has grown into an extensive 70-site effort to track water conditions near the shore, where most people interact with our lakes.

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