Warner Park Beach is the second site in the city to house the "Clean Beach Treatment System." These systems are part of an effort to make area lakes safer for swimming. The Clean Beach Treatment System is a barrier to set aside a pool of clean-treated water within the lake by using mechanical barriers and filters to clean the water without using chemicals such as chlorine. These systems can treat thousands of gallons of water a day, and the water will be pumped and treated to keep algae blooms and e-coli out of the areas designated for safe swimming.
Public Health Madison & Dane County tested bacteria levels and checked for algae blooms on 6/5/2023. The results were acceptable. The shallow near-shore temperature was 71°F. Even though the results were acceptable at the time of monitoring, algae levels can change quickly depending on waves and wind. Always take a look at water conditions before you enter the water and avoid contact with algae blooms.