Hayden Lake Watershed Improvement District

This is blue-green algae or cyanobacteria on the surface of the water.

Cyanobacteria-HAB Advisory Continues – Watch Out!

The Idaho Recreational Water Health Advisories map indicates that the Cyanobacteria-related health advisory is still in effect on Hayden Lake’s North Arm. Continue to safeguard your family – especially small children and pets – stay away from questionable water!

September 25, 2024

Harmful Algal (Cyanobacteria) Bloom: July 27-?

Panhandle Health District (PHD) issued a Health Advisory on 7/26 for Hayden Lake’s North Arm due to a Department of Environmental Quality (DEQ)-identified Harmful Algal Bloom (HAB).

July 29, 2024

Category: Blue-Green Algae

Cyanobacteria-HAB Advisory Continues – Watch Out!

Harmful Algal (Cyanobacteria) Bloom: July 27-?

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Monday 4/16, 7:00 p.m.

HLWID Monthly Meeting

HLWID's Monthly Meetings will move to teleconferencing in order to ensure the health and safety of our constituents. For 4/16's meeting, dial 641-715-0861 and enter code 398963# at the prompt. This is a public meeting; all are welcome.