RIVER GAUGE · NAVARRO RIVER
Navarro River near Navarro
Mendocino County, California
Water level1.07 ft
Flow3 cfs
Last readingSep 16, 2026, 4:15 PM UTC (last recorded)
Minor flood23 ft12,100 cfs
Moderate flood30 ft26,400 cfs
Major flood34 ft38,900 cfs
The past week
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What floods at each level
- 34 ft
Significant flooding over the south bank approximately 1 mile east of Highway 1 will occur. Damage to property including 6 homes is possible. Expect closure of Highway 128. Motorists should use alternate routes.
- 30 ft
Water will flow over the south bank of the river approximately 1 mile east of Highway 1, and begins to flood property in this area including six homes. Expect closure of Highway 128. Motorists should use alternate routes.
- 23 ft
Flooding of Highway 128 approximately 5 miles east of Highway 1 is certain and the road will be closed. Motorists should use alternate routes.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Dec 21, 1955 | 40.6 ft | 64,500 cfs |
| Dec 31, 2005 | 39.81 ft | 62,000 cfs |
| Dec 21, 1964 | 38.64 ft | 52,100 cfs |
Get an alert when Navarro River rises
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