Little Truckee River: toxic algae advisories
Little Truckee River, Sierra County. See all Sierra County waters.
What the state's records say
Caution advisory, last posted Oct 9, 2024. No all-clear recorded.
3 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: 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 Little Truckee River
The state has an advisory on file for Little Truckee River (Caution advisory), last posted Oct 9, 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 |
|---|---|
| Upper Little Truckee Campground | Algal mat alert sign, last posted Oct 9, 2024. No all-clear recorded. |
| ~ 1 Mile Down Jackson Meadow Road | Algal mat alert sign, last posted Oct 9, 2024. No all-clear recorded. |
| Little Truckee River ~0.8mi below Stampede Res. (636PS0086) | The state's latest record, from Aug 6, 2024, recommends no advisory. |
| ~1mi above Henness Pass Rd | Caution advisory, last posted Sep 17, 2021. No all-clear recorded. |
Advisory history
Every advisory record the state has published for Little Truckee 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 |
|---|---|---|---|
| Oct 9, 2024 | Upper Little Truckee Campground | Algal mat alert sign | Advisory based on visual and toxins; Updates from routine monitoring program-organization |
| Oct 9, 2024 | ~ 1 Mile Down Jackson Meadow Road | Algal mat alert sign | Advisory based on visual and toxins; Updates from routine monitoring program-organization |
| Sep 27, 2024 | ~ 1 Mile Down Jackson Meadow Road | Algal mat alert sign | Advisory based on visual and toxins; Updates from routine monitoring program-organization |
| Sep 6, 2024 | Upper Little Truckee Campground | Algal mat alert sign | Advisory based on visual and toxins; Updates from routine monitoring program-organization |
| Sep 6, 2024 | Upper Little Truckee Campground | Algal mat alert sign | Advisory based on visual and toxins; Updates from routine monitoring program-organization |
| Sep 6, 2024 | ~ 1 Mile Down Jackson Meadow Road | Algal mat alert sign | Advisory based on visual and toxins; Updates from routine monitoring program-organization |
| Aug 23, 2024 | Upper Little Truckee Campground | Algal mat alert sign | Advisory based on visual and toxins; Updates from routine monitoring program-organization |
| Aug 23, 2024 | Upper Little Truckee Campground | Algal mat alert sign | Advisory based on visual and toxins; Updates from routine monitoring program-organization |
| Aug 23, 2024 | ~ 1 Mile Down Jackson Meadow Road | Algal mat alert sign | Advisory based on visual and toxins; Updates from routine monitoring program-organization |
| Aug 16, 2024 | Upper Little Truckee Campground | Algal mat alert sign | Advisory based on visual and toxins; Updates from routine monitoring program-organization |
| Aug 16, 2024 | ~ 1 Mile Down Jackson Meadow Road | Algal mat alert sign | Advisory based on visual and toxins; Updates from routine monitoring program-organization |
| Aug 6, 2024 | Little Truckee River ~0.8mi below Stampede Res. (636PS0086) | None | Updates from routine monitoring program-organization |
| Jul 25, 2024 | ~ 1 Mile Down Jackson Meadow Road | Algal mat alert sign | Advisory based on visual and toxins; Updates from routine monitoring program-organization |
| Jul 25, 2024 | Upper Little Truckee Campground | Algal mat alert sign | Advisory based on visual and toxins; Updates from routine monitoring program-organization |
| Jul 5, 2024 | Upper Little Truckee Campground | Algal mat alert sign | Advisory based on visual and toxins; Updates from routine monitoring program-organization |
| Jul 5, 2024 | ~ 1 Mile Down Jackson Meadow Road | Algal mat alert sign | Advisory based on visual and toxins; Updates from routine monitoring program-organization |
| Jul 5, 2024 | Upper Little Truckee Campground | Algal mat alert sign | Advisory based on visual and toxins; Updates from routine monitoring program-organization |
| Jul 5, 2024 | ~ 1 Mile Down Jackson Meadow Road | Algal mat alert sign | Advisory based on visual and toxins; Updates from routine monitoring program-organization |
| Sep 17, 2021 | ~1mi above Henness Pass Rd | Caution | 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.