Kansas

Toxic algae in Reno County lakes

3 lakes and waterways in Reno County have harmful algal bloom reports in Kansas's official data. The most recent entry is for Cheney Lake: Kansas has no current advisory for Cheney Lake. The most recent sample, on 21 July 2025 at Cheney Preisser Cove Area, was below advisory levels (microcystin not detected, 6,751 cyanobacteria cells/mL). Cheney Lake has had blooms in three or more years.

Lakes with bloom history

Newest report first. Each lake has its own page with the full history and what the results mean.

Cheney Lake Latest 21 July 2025, blooms in 4 years No current advisory
Buhler City Lake Latest 13 September 2021, blooms in 2 years No current advisory
Dillon Park Lake #1 Latest 10 October 2011, blooms in 1 year No current advisory

Source: Kansas Department of Health and Environment (KDHE), official data, checked 24 October 2026. For today's conditions see the KDHE algae bloom map. No report doesn't mean a lake is safe: most water is only tested occasionally.