Island County Lakes
For current status of Island County public lakes, go to the WA State Toxic Algae page here.
- Cranberry Lake, Oak Harbor WA
- Goss Lake, Langley WA
- Lone Lake, Langley WA
- Deer Lake, Clinton WA
Lake Closures Policy is based on state guidelines set in June of 2021 (CLICK HERE) which requires local health jurisdictions to post a WARNING when microcystin levels are 8 μg/L or higher, anatoxin-a levels are 1 μg/L or higher,
cylindrospermopsin levels are 15 μg/L or higher, and/or saxitoxin levels are 75 μg/L or
higher. A lake CLOSURE is required when toxin concentrations are extremely high (> 2,000
μg/L microcystins or > 300 μg/L anatoxin-a) or if pet illnesses/death or human
symptoms are reported.
LAKE STATUS (From NWtoxicalgae.org map)