Lake Toxin Status
Regular monitoring has ended for the season.
Monitoring will begin again in April, 2024.
- Anderson Lake, at boat ramp
- Gibbs Lake, at swimming beach
- Lake Leland, at boat ramp
- Crocker Lake, at boat ramp
These lakes have a history of toxic cyanobacteria blooms, are monitored weekly in spring and summer and sampled for toxins monthly if blooms are visible. Other lakes are monitored as time and budget allow. Laboratory results are generally obtained by Friday and lake status is updated on this page. View the Cyanotoxin Hazards page for more information about toxic cyanobacteria blooms.
| Lake |
Date Last Observed |
Status |
Notes |
|---|---|---|---|
| Anderson Lake |
October 30, 2023 |
Toxic Algae Info |
- No recent observations - History of toxic blooms & animal deaths |
| Gibbs Lake |
October 30, 2023 |
Toxic Algae Info |
- No recent observations - History of previous blooms |
| Lake Leland |
October 30, 2023 |
Toxic Algae Info |
- No recent observations - History of previous blooms |
| Crocker Lake |
October 30, 2023 | Toxic Algae Info | - No recent observations - History of previous blooms |
| Silent Lake |
June 16, 2023 |
Clear | - No recent observations |
| Tarboo Lake |
April 17, 2023 |
Clear | - No recent observations |
| Sandy Shore |
April 30, 2023 |
Clear | - No recent observations |
| Teal Lake |
August 4, 2023 |
Clear | - No recent observations |
Lake conditions can change rapidly and lake status may have changed since the last sample was taken. Sampling is only done at one access point on the lake and conditions may be different elsewhere on the same lake. Regardless of what is posted here, if you observe a green paint-like scum or bloom on a lake follow the recommendations listed at the warning level. If you observe a bloom in a Jefferson County lake, please report it by calling 360-385-9444.
What the Status Sign Means
No toxins detected in sample, no toxic species present and no bloom visible. Note: there is no sign posted when the lake is clear.
Toxic Algae Info
When in doubt, STAY OUT!
- Toxic algae blooms happen in this lake
- Avoid areas of scum
WARNING
TOXIC ALGAE PRESENT
Lake unsafe for people and pets
- Do not swim or water ski.
- Do not drink lake water.
- Keep pets and livestock away.
- Clean fish well and discard guts.
- Avoid areas of scum when boating.
Call your doctor or veterinarian if you or your animals have sudden or unexplained sickness or signs of poisoning
DANGER
KEEP OUT OF LAKE
Lake closed due to toxic algae
Call your doctor or veterinarian if you or your animals have sudden or unexplained sickness or signs of poisoning.