Colorado River: toxic algae advisories
Colorado River, San Bernardino County. See all San Bernardino County waters.
What the state's records say
Caution advisory, last posted Dec 7, 2022. 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: Algae that can make toxins may be present. Keep people, children and pets away from algae and scum, and do not let pets drink the water.
Before you go, check the state's official algae page and any signs posted at the water.
Dogs at Colorado River
The state has an advisory on file for Colorado River (Caution advisory), last posted Dec 7, 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 |
|---|---|
| Cove near Gene Wash Reserve | Caution advisory, last posted Dec 7, 2022. No all-clear recorded. |
| South of Satellite Cove | The state's latest record, from Dec 7, 2022, recommends no advisory. |
| open water 2 | The state's latest record, from Dec 7, 2022, recommends no advisory. |
| HWY 95 cove | The state's latest record, from Dec 7, 2022, recommends no advisory. |
| Whitsett intake | The state's latest record, from Dec 7, 2022, recommends no advisory. |
| London Bridge beach | The state's latest record, from Nov 28, 2022, recommends no advisory. |
Advisory history
Every advisory record the state has published for Colorado 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 |
|---|---|---|---|
| Dec 7, 2022 | Cove near Gene Wash Reserve | Caution | Advisory based on visual and toxins |
| Dec 7, 2022 | South of Satellite Cove | None | No cyano bloom w/testing |
| Dec 7, 2022 | open water 2 | None | No cyano bloom w/testing |
| Dec 7, 2022 | HWY 95 cove | None | No cyano bloom w/testing |
| Dec 7, 2022 | Whitsett intake | None | No cyano bloom w/testing |
| Nov 28, 2022 | London Bridge beach | None | Advisory based on visual and toxins |
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.