RIVER GAUGE · BILL WILLIAMS RIVER
Bill Williams River at Alamo Lake
La Paz County, Arizona
Water level1098.87 ft
Flow77,400 cfs
Last readingSep 16, 2026, 5:00 PM UTC (last recorded)
Action1235 ft
Minor flood1235 ft
Major flood1265 ft
The past week
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What floods at each level
- 1265 ft
Water reaches the embankment crest elevation at the top of the dam. The dam crest length is 283 feet.
- 1235 ft
Water reaches the spillway crest elevation. Crest length is 284 feet.
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Feb 6, 1937 | 46 ft | 105,000 cfs |
| Sep 5, 1939 | 39.6 ft | 86,000 cfs |
| Aug 28, 1951 | 30.8 ft | 65,100 cfs |
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