Gualala River: toxic algae advisories
Gualala River, Sonoma County. See all Sonoma County waters.
What the state's records say
Algal mat general awareness sign, last posted Jul 27, 2022. 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: The state recorded an advisory of a type outside the Caution, Warning and Danger levels. Read the sign posted at the water.
Before you go, check the state's official algae page and any signs posted at the water.
Dogs at Gualala River
The state has an advisory on file for Gualala River (Algal mat general awareness sign), last posted Jul 27, 2022, 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 |
|---|---|
| Regional Park | Algal mat general awareness sign, last posted Jul 27, 2022. No all-clear recorded. |
| at The Sea Ranch Association | The state's latest record, from Mar 22, 2022, recommends no advisory. |
| Campground | Algal mat general awareness sign, last posted Jun 29, 2021. No all-clear recorded. |
Advisory history
Every advisory record the state has published for Gualala River, 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 27, 2022 | Regional Park | Algal mat general awareness sign | Under investigation |
| May 20, 2022 | Regional Park | Algal mat general awareness sign | Posted algal mat general awareness |
| May 20, 2022 | Regional Park | Algal mat general awareness sign | Posted algal mat general awareness |
| Mar 22, 2022 | at The Sea Ranch Association | None | No cyano bloom w/photos |
| Jun 29, 2021 | Campground | Algal mat general awareness sign |
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.