Hayden Lake Watershed Improvement District

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Get the latest News From the 'Shed

Hayden Creek Area Closed to Shooting Oct. 21-27 ’24

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

Cyanobacteria-HAB Advisory Continues – Watch Out!

Harmful Algal (Cyanobacteria) Bloom: July 27-?

Treatment Map segment shows notification areas around treatment polygons.

2024 Hayden Lake Aquatic Weed Update – Treatment – Restrictions Lifted

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Blue-Green Algae (2)
Citizen Science (6)
HLWID (31)
Invasive & Noxious Weeds (26)
Lake Debris (11)
Living on Hayden Lake (61)
Recreation (19)
The Watershed (14)
Water Quality (11)

Communication Preferences/Opt-out form

Communications preferences/Opt-out form

Get the latest News From the 'Shed

Hayden Creek Area Closed to Shooting Oct. 21-27 ’24

Cyanobacteria-HAB Advisory Continues – Watch Out!

Harmful Algal (Cyanobacteria) Bloom: July 27-?

2024 Hayden Lake Aquatic Weed Update – Treatment – Restrictions Lifted

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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.