Bill Williams River

Streamflow Hydrology Weather


Bill Williams River Levels

April 23 2024

118 ACRE-FT

Discharge Volume Today
+1.2 cfs (+2.05%) since yesterday
12.3% of normal Very Low

Total streamflow across the Bill Williams River was last observed at 60 cfs, and is expected to yield approximately 118 acre-ft of water today; about 12% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 485 cfs, with recent peaks last observed on 2022-08-15 when daily discharge volume was observed at 9,976 cfs.

Maximum discharge along the river is currently at the Bill Williams River Below Alamo Dam reporting a streamflow rate of 59.7 cfs. This is also the highest stage along the Bill Williams River, with a gauge stage of 12.33 ft at this location. This river is monitored from 2 different streamgauging stations along the Bill Williams River, the highest being situated at an altitude of 975 ft, the Bill Williams River Below Alamo Dam.

Last Updated 2024-04-23
Streamflow 59.7 cfs
Percent of Normal 12.3%
Maximum 9,976.4 cfs
2022-08-15

About the bill williams river


The Bill Williams River is a 46-mile-long tributary of the Colorado River in western Arizona. It is named after mountain man Bill Williams, who explored the area in the early 19th century. The river flows through the Bill Williams National Wildlife Refuge and the Lake Havasu National Wildlife Refuge before joining the Colorado River near Lake Havasu City.

The Bill Williams River is fed by several tributaries and is regulated by several dams and reservoirs, including the Alamo Dam and Reservoir, which provides water for agriculture and recreation. The river also supports recreational activities such as boating, fishing, and camping, and provides habitat for a variety of wildlife, including the endangered southwestern willow flycatcher. In recent years, efforts have been made to restore and protect the Bill Williams River and its ecosystem.

Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Bill Williams River Below Alamo Dam
USGS 09426000
60 cfs 12.33 ft 2.05
Bill Williams River Near Parker
USGS 09426620
14 cfs 1.82 ft -1.46

Peak Annual Discharge

Bill Williams River Maximum Total Discharge

Seasonal Comparison

Bill Williams River Year Over Year Discharge


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