Is the lake safe?

Oregon

Toxic algae in Malheur County lakes

3 lakes and waterways in Malheur County have harmful algal bloom reports in Oregon's official data.

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: Oregon Health Authority (OHA), official data, checked 24 October 2026. For today's conditions see the OHA current advisories page. No report doesn't mean a lake is safe: most water is only tested occasionally.