RIVER GAUGE · CLEAR LAKE
Clear Lake at Lakeport
Lake County, California
Water level2.70 ft
Flow109,000 cfs
Last readingSep 16, 2026, 4:15 PM UTC (last recorded)
Action8 ft
Minor flood9 ft
Moderate flood11.9 ft
Major flood12 ft
The past week
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What floods at each level
- 11 ft
Major flooding occurs all around the north end of the lake, especially in Lakeport and Clearlake Oaks. Highway 20 around the north end of the lake is closed in some areas.
- 9 ft
Low lying structures and some main roads around the lake are threatened by the high lake levels.
- 8.5 ft
Minor flooding of some lake side residents occurs. More buildings are threatened from Lakeport to Clearlake Oaks.
- 8.5 ft
Minor flooding of some lakeside residents occurs. More buildings are threatened from Lakeport to Clearlake Oaks.
- 8 ft
Minor flooding of some lakeside residents occurs.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Feb 23, 1998 | 11.51 ft | -9,999 cfs |
| Feb 1, 1986 | 11.34 ft | — |
| Jan 2, 1983 | 11.34 ft | — |
More on Clear Lake
UpstreamScotts Creek near Lakeport
DownstreamCache Creek at Rumsey Bridge
Get an alert when Clear Lake rises
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