Is the lake safe?

Kansas

Toxic algae in Geary County lakes

4 lakes and waterways in Geary County have harmful algal bloom reports in Kansas's official data. The most recent entry is for Gathering Pond: Kansas has a public health watch in effect for Gathering Pond, last updated on 16 October 2026. The latest published sample, on 12 October 2026 at Gathering Pond (Aka Hatchery Supply Pond), was below advisory levels (microcystin 2.86 µg/L). Gathering Pond and Milford Lake have 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.

Other waterbodies with a report

These have one or two reports in a single year, which isn't enough history for a page of their own yet.

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.