Kansas
Toxic algae in Rawlins County lakes
1 lake or waterway in Rawlins County has harmful algal bloom reports in Kansas's official data. The most recent entry is for Atwood Township Lake: Kansas has no current advisory for Atwood Township Lake. The most recent sample, on 26 July 2021, was below advisory levels (microcystin 0.7 µg/L, 2,368 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.
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.