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SwedenTrinity River above Nf Trinity River near Helena water level
River gauge, Trinity River, California, United States
Right now
Very low for mid-October
Water level
- Flow
- 319 cfs
- Water temperature
- 51 °F
History
What this means
Low water at Trinity River above Nf Trinity River near Helena: the gauge reads 8.64 ft, far below normal for mid-October.
It has barely moved over the past 24 hours. Without real rain upstream, that is unlikely to change quickly. The 30-day range is 8.63 ft – 9.12 ft.
Fall is often low-water season on rivers, and it usually takes a few days of steady rain to change that. The water temperature at the gauge is 51 °F.
Compared with 5 years of daily readings for this time of year. How to read levels
Key numbers
- Highest on record
- 25.97 ftDecember 31, 2005
Paddling and fishing conditions
At low levels, plan for shorter paddling trips and expect to walk your boat through a few shoals.
Highest crests on record
| Rank | Level | Date |
|---|---|---|
| 1 | 25.97 ft | December 31, 2005 |
Weather at the gauge
The forecast is not available right now.
Map
Other gauges on the Trinity River
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Trinity River above Coffee Creek near Trinity CenterRiver gauge, Trinity River | 26.8 cfs | Low | +1.0 cfs | 32 mi |
| Trinity River below Limekiln Gulch near Douglas CityRiver gauge, Trinity River | 314 cfs | Normal | ±0 | 12 mi |
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Trinity R A Junction CityRiver gauge | 341 cfs | Normal | +4.0 cfs | 3.8 mi |
| Trinity R A Douglas CityRiver gauge | 364 cfs | High | ±0 | 12 mi |
| Indian Creek near Douglas CityRiver gauge, Indian Creek | 4.3 cfs | Normal | ±0 | 13 mi |
| Rush Creek near LewistonRiver gauge, Rush Creek | 2.1 cfs | Low | +0.1 cfs | 15 mi |
| Trinity R A LewistonRiver gauge | 305 cfs | High | ±0 | 17 mi |
| Lewiston LakeLake | 1,900.67 ft | Very low | 17 mi | |
| Trinity LakeLake | 2,315.14 ft | Normal | 19 mi | |
| Sf Trinity River below HyampomRiver gauge, Sf Trinity River | 66.0 cfs | Normal | +1.4 cfs | 21 mi |
Questions and answers
Is gage height the same as water depth?
No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.
What is the water level of Trinity River above Nf Trinity River near Helena today?
On Oct 20, 2026, 05:45 AM PDT, the water level was 8.64 ft. Steady over the last 24 hours.
Is Trinity River above Nf Trinity River near Helena rising or falling?
Steady over the last 24 hours.
Is the level of Trinity River above Nf Trinity River near Helena normal?
Very low for mid-October. Compared with 5 years of daily readings for this time of year.
What is the highest water level ever recorded at Trinity River above Nf Trinity River near Helena?
The highest level on record is 25.97 ft on December 31, 2005.
How often is this data updated?
The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.
Where does this data come from?
The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- U.S. Geological Survey
- Station code
usgs:11526400(Agency page)- Coordinates
40.76650, -123.11444(WGS84)- Vertical datum
- NAVD88
- Update interval
- every 15 minutes
- Licence
- Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision
Published series
| Parameter | Last value | Time (UTC) | Quality |
|---|---|---|---|
| Water level | 8.64 ft | 2026-10-20 12:45 | Provisional |
| Flow | 319 cfs | 2026-10-20 12:45 | Provisional |
| Water temperature | 51 °F | 2026-10-20 12:45 | Provisional |
Download
Embed this gauge
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How to cite
U.S. Geological Survey: Trinity River above Nf Trinity River near Helena (usgs:11526400). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/california/trinity-river-above-nf-trinity-river-near-helena
How we check values
Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.
Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer