Bill Williams River below Alamo Dam, AZ

La Paz County, Arizona · USGS gauge 09426000 · NWS ALMA3 · Bill Williams River flood status · Arizona river levels

Is Bill Williams River below Alamo Dam, AZ flooding right now?

Bill Williams River below Alamo Dam, AZ measured 11.96 ft on 2026-09-11 01:30:00 UTC. That observation was 1223.0 ft below its 1235 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
11.96 ft
as of 48 min ago
Streamflow
10 cfs
data refreshed 16 min ago

Minor flooding here begins at 1235 ft, with major flooding at 1265 ft. The highest crest on record was 46 ft on Sun, Feb 7, 1937.

Streamflow outlook

NOAA National Water Model forecast, issued 14 hours ago. The NWM models discharge for every river reach in the country, including the many gauges the National Weather Service does not forecast individually. It is a model, not an official NWS river forecast, and it predicts flow rather than water level.

Flood stages at this gauge

CategoryStageCurrent distance
Action1235 ft1223.0 ft below
Minor flood1235 ft1223.0 ft below
Major flood1265 ft1253.0 ft below

New to these numbers? What does flood stage mean? · How to read a river gauge · Why is the river rising?

Highest crests on record

StageDate
46 ft1937-02-07
39.6 ft1939-09-06
30.8 ft1951-08-29
23 ft1941-03-14
22.5 ft1941-03-02

Nearby gauges

GaugeDistanceCounty
Santa Maria River near Bagdad, AZ15.9 miMohave County
Big Sandy River near Wikieup, AZ16.0 miMohave County
Burro Creek at Old US 93 Bridge, near Bagdad, AZ22.8 miMohave County
Bill Williams River near Parker, AZ24.0 miLa Paz County
Big Sandy River at US 93 Bridge, near Wikieup, AZ29.8 miMohave County
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location · NWS gauge & forecast