RIVER GAUGE · SAN JOAQUIN RIVER
San Joaquin River at Patterson
Stanislaus County, California
Water level30.49 ft
Flow423 cfs
Last readingSep 16, 2026, 4:45 PM UTC (last recorded)
Action48 ft
Minor flood54.7 ft
Moderate flood57.3 ft
Major flood58.3 ft
The past week
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What floods at each level
- 58.3 ft
Stages above 58.3 feet result in flooding outside the levee. Top of levee.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Mar 27, 2023 | 52.24 ft | — |
| Feb 21, 2017 | 51.71 ft | 25,600 cfs |
| Mar 3, 1983 | 51.26 ft | 28,700 cfs |
More on San Joaquin River
UpstreamSan Joaquin River at Newman
DownstreamSan Joaquin River at Vernalis
Get an alert when San Joaquin River rises
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