RIVER GAUGE · PETALUMA RIVER
Petaluma River at D Street Bridge
Sonoma County, California
Water level2.59 ft
Flow—
Last readingSep 16, 2026, 5:00 PM UTC (last recorded)
Action8 ft
Minor flood8.4 ft
Moderate flood8.6 ft
Major flood9.8 ft
The past week
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What floods at each level
- 9.8 ft
Major Flood Stage. Water reaches elevation of C Street pump station floor height.
- 8.6 ft
Moderate Flood Stage. NWS will issue a Flash Flood Warning if not already issued. Streets start to flood down to C Street. C Street sewer pump station sand-bagged.
- 8.4 ft
Minor Flood Stage. Water begins going out of bank at the foot of C Street.
- 8 ft
Action Stage. NWS and City of Petaluma begin to monitor the situation closely. City of Petaluma Fire Chief, Watch Commander, and Water Resources and Conservation Director notified.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Feb 7, 1998 | 6.38 ft | — |
| Feb 6, 1998 | 6 ft | — |
More on Petaluma River
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