Bill Williams River at Alamo Lake
Critical Stages
1235' - Action
1235' - Flood
Moderate
1265' - Major
Latest Observation
Updated: 5:00 PM MST 12/17/25
Status: No Flooding
Stage: 1107.48 ft
Flow: 101 kcfs
Forecast
Forecast not available for this location.
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 5:00 PM 12/17 | 1107.48 | 101 |
| 4:45 PM 12/17 | 1107.49 | 101 |
| 4:30 PM 12/17 | 1107.5 | 101 |
| 4:15 PM 12/17 | 1107.5 | 101 |
| 4:00 PM 12/17 | 1107.49 | 101 |
| 3:45 PM 12/17 | 1107.49 | 101 |
| 3:30 PM 12/17 | 1107.5 | 101 |
| 3:15 PM 12/17 | 1107.49 | 101 |
| 3:00 PM 12/17 | 1107.49 | 101 |
| 2:45 PM 12/17 | 1107.5 | 101 |
| 2:30 PM 12/17 | 1107.49 | 101 |
| 2:15 PM 12/17 | 1107.49 | 101 |
| 2:00 PM 12/17 | 1107.5 | 101 |
| 1:45 PM 12/17 | 1107.5 | 101 |
| 1:30 PM 12/17 | 1107.49 | 101 |
| 1:15 PM 12/17 | 1107.5 | 101 |
| 1:00 PM 12/17 | 1107.5 | 101 |
| 12:45 PM 12/17 | 1107.5 | 101 |
| 12:30 PM 12/17 | 1107.51 | 101 |
| 12:15 PM 12/17 | 1107.5 | 101 |
| 12:00 PM 12/17 | 1107.49 | 101 |
| 11:45 AM 12/17 | 1107.51 | 101 |
| 11:30 AM 12/17 | 1107.51 | 101 |
| 11:15 AM 12/17 | 1107.5 | 101 |
| 11:00 AM 12/17 | 1107.5 | 101 |
| 10:45 AM 12/17 | 1107.52 | 101 |
| 10:30 AM 12/17 | 1107.5 | 101 |
| 10:15 AM 12/17 | 1107.5 | 101 |
| 10:00 AM 12/17 | 1107.51 | 101 |
| 9:45 AM 12/17 | 1107.51 | 101 |
1265' -
Water reaches the embankment crest elevation at the top of the dam. The dam crest length is 283 feet.
1235' -
Water reaches the spillway crest elevation. Crest length is 284 feet.
| Date | Stage (ft) |
|---|---|
| Feb 7, 1937 | 46 |
| Sep 6, 1939 | 39.6 |
| Aug 29, 1951 | 30.8 |
| Mar 14, 1941 | 23 |
| Mar 2, 1941 | 22.5 |
Data provided by the National Weather Service.
