Cold Stream: toxic algae advisories
Cold Stream, Placer County. See all Placer County waters.
What the state's records say
The state's latest record, from Sep 13, 2022, recommends no advisory.
Last advisory on file: Sep 13, 2022.
That reflects what the state knew on that date. It is not a finding that the water is safe now: blooms can return within days, and many are never reported.
Before you go, check the state's official algae page and any signs posted at the water.
Dogs at Cold Stream
The state's latest record, from Sep 13, 2022, recommends no advisory. For Cold Stream, that is not the same as an all-clear for today. Look at the water before your dog goes in: keep it out of green, blue-green or scummy water and away from mats on the shore.
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 |
|---|---|
| Cold Stream, upper gravel pit | The state's latest record, from Sep 13, 2022, recommends no advisory. |
Advisory history
Every advisory record the state has published for Cold Stream, 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 |
|---|---|---|---|
| Sep 13, 2022 | Cold Stream, upper gravel pit | None | End date recorded: Dec 27, 2022. Updates from routine monitoring program-organization |
| Sep 13, 2022 | Cold Stream, upper gravel pit | Algal mat alert sign | Updates from routine monitoring program-organization |
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.