Copsey Creek: toxic algae advisories
Copsey Creek, Lake County. See all Lake County waters.
What the state's records say
Danger advisory, last posted Jul 26, 2024. No all-clear recorded.
2 reported spots here have an advisory with no all-clear recorded.
Reporting is voluntary, so the state may not have recorded an end even if conditions changed. Check posted signs and the official map.
What this level asks: Toxins may be at levels that can seriously harm people and animals. Stay out of the water and keep children and pets away from the water and the shore.
Before you go, check the state's official algae page and any signs posted at the water.
Dogs at Copsey Creek
The state has an advisory on file for Copsey Creek (Danger advisory), last posted Jul 26, 2024, and no all-clear recorded. Keep your dog out of the water and away from scum on the shore until the state records an end.
Reported spots
The state records each report at a spot, such as a beach or a boat ramp. Each spot's latest deciding record:
| Spot | Status |
|---|---|
| Quarterhorse Ln | Danger advisory, last posted Jul 26, 2024. No all-clear recorded. |
| Copsey Creek, near Lower Lake | Danger advisory, last posted Jul 21, 2017. No all-clear recorded. |
Advisory history
Every advisory record the state has published for Copsey Creek, newest first. "None" is the state's record that no advisory was recommended on that date. "NA" records do not change a status.
| Date | Spot | State's level | Notes |
|---|---|---|---|
| Jul 26, 2024 | Quarterhorse Ln | Danger | Advisory based on visual and toxins |
| Jul 15, 2024 | Quarterhorse Ln | Caution | Under investigation |
| Jul 21, 2017 | Copsey Creek, near Lower Lake | Danger |
Source
Advisory data: California State Water Resources Control Board, Freshwater Harmful Algal Bloom Program, via data.ca.gov (public domain). Advisories are recommendations; reporting is voluntary and incomplete. The state's data. An advisory ends only when the state records a later "None" (no advisory recommended) at the same spot, or an end date. A blank end date is unknown.