Smith Creek: toxic algae advisories
Smith Creek, Plumas County. See all Plumas County waters.
What the state's records say
Algal mat general awareness sign, last posted Jun 4, 2025. 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 Smith Creek
The state has an advisory on file for Smith Creek (Algal mat general awareness sign), last posted Jun 4, 2025, 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 |
|---|---|
| ~1 mile upstream of Middle Fork Feather River | Algal mat general awareness sign, last posted Jun 4, 2025. No all-clear recorded. |
| associated meadow restoration ponds and Smith Creek Road Bridge | Algal mat general awareness sign, last posted Oct 18, 2024. No all-clear recorded. |
Advisory history
Every advisory record the state has published for Smith 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 |
|---|---|---|---|
| Jun 4, 2025 | ~1 mile upstream of Middle Fork Feather River | Algal mat general awareness sign | |
| Oct 18, 2024 | associated meadow restoration ponds and Smith Creek Road Bridge | Algal mat general awareness sign | Testing results below posting triggers |
| Aug 23, 2024 | associated meadow restoration ponds and Smith Creek Road Bridge | NA - refer to Report Details | Under investigation |
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.