Kansas

Toxic algae in Greenwood County lakes

2 lakes and waterways in Greenwood County have harmful algal bloom reports in Kansas's official data. The most recent entry is for Eureka Lake: Kansas has no current advisory for Eureka Lake. The most recent sample, on 26 May 2026, was below advisory levels (microcystin not detected, 42,562 cyanobacteria cells/mL).

Lakes with bloom history

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

Eureka Lake Latest 26 May 2026, blooms in 0 years No current advisory
Fall River Lake Latest 18 June 2012, blooms in 0 years 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.