Is the Tuolumne River flooding?
The Tuolumne River is tracked by 4 USGS streamgauges in California. This page compares each gauge’s live water level against its official National Weather Service flood stage, refreshed every 15 minutes, so you can tell whether the Tuolumne River is running normal, rising toward flood stage, or already flooding. 0 of 4 gauges have both a usable water-level reading and a published minor flood stage. Gauges without a published flood stage show water level and flow only. For nearby rivers, see all California river levels.
River facts
The longest-running gauge on this river is Tuolumne River near Hetch Hetchy CA. The highest level ever recorded there was 15.08 ft on 3 January 1997, carrying 16,400 cfs. Peak records there go back to 1915 (111 annual peaks).
| Gauge | Status | Stage | Flood stage | Updated |
|---|---|---|---|---|
| Tuolumne River near Hetch Hetchy CA | No current data | — | — | — |
| Tuolumne River above Early Intake near Mather CA | No current data | — | — | — |
| Tuolumne River below Early Intake near Mather CA | No current data | — | — | — |
| Tuolumne River below Lagrange Dam near Lagrange CA | No current data | — | — | — |
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.