Kansas

Toxic algae in Grant County lakes

1 lake or waterway in Grant County has harmful algal bloom reports in Kansas's official data. The most recent entry is for Fraizer Lake: Kansas has a public health warning in effect for Fraizer Lake, last updated on 16 October 2026. The latest published sample, on 12 October 2026 at Frazier Lake, was at Warning level (microcystin 0.6 µg/L, 4,431,408 cyanobacteria cells/mL). Fraizer 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.

Fraizer Lake Latest 12 October 2026, blooms in 5 years Public health warning

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.