Kansas

Toxic algae in Butler County lakes

6 lakes and waterways in Butler County have harmful algal bloom reports in Kansas's official data. The most recent entry is for Butler County State Fishing Lake: Kansas has a public health warning in effect for Butler County State Fishing Lake, last updated on 16 October 2026. The latest published sample, on 12 October 2026, was at Watch level (microcystin 7.5 µg/L, 116,214 cyanobacteria cells/mL). Augusta Santa Fe 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.

Butler County State Fishing Lake Latest 12 October 2026, blooms in 2 years Public health warning
Augusta Santa Fe Lake Latest 29 June 2026, blooms in 3 years No current advisory
Augusta City Lake Latest 23 September 2024, blooms in 2 years No current advisory
School Street Pond Latest 24 June 2024, blooms in 1 year No current advisory
El Dorado Lake Latest 22 August 2022, blooms in 0 years No current advisory
Kansas Jaycees Cerebral Palsy Lake Latest 7 September 2010, 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.