Cannonball River

Streamflow Hydrology Weather


Cannonball River Levels

May 3 2024

1,249 ACRE-FT

Discharge Volume Today
+403.1 cfs (+177.73%) since yesterday
108.05% of Normal 3 Streamgauges

Total streamflow across the Cannonball River was last observed at 630 cfs, and is expected to yield approximately 1,249 acre-ft of water today; about 108% of normal. Average streamflow for this time of year is 583 cfs, with recent peaks last observed on 2019-03-29 when daily discharge volume was observed at 26,030 cfs.

Maximum discharge along the river is currently at the Cannonball River Nr Raleigh reporting a streamflow rate of 331 cfs. However, the streamgauge with the highest stage along the river is the Cannonball River At Regent with a gauge stage of 5.37 ft. This river is monitored from 3 different streamgauging stations along the Cannonball River, the highest being situated at an altitude of 2,436 ft, the Cannonball River At Regent.

Last Updated 2024-05-02
Streamflow 629.9 cfs
Percent of Normal 108.05%
Maximum 26,030.0 cfs
2019-03-29

About the cannonball river


The Cannonball River is a 126-mile-long tributary of the Missouri River, flowing through North Dakota. The river is named after the cannonball concretions found along its banks. The river has played an important role in Native American history, serving as a primary water source for the Standing Rock Indian Reservation. The river is also home to several reservoirs and dams, including the Heart Butte Dam and the Cannon Ball-Mandan Canal. These structures provide hydroelectric power, irrigation, and flood control to nearby agricultural lands. The Cannonball River also offers recreational activities such as fishing, boating, and camping. However, the river gained national attention during the 2016 Dakota Access Pipeline protests, where protesters argued that the pipeline would harm the river and the Standing Rock Sioux Tribe's water supply.

Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Cannonball River At Regent
USGS 06350000
21 cfs 5.37 ft 2.96
Cannonball River Nr Raleigh
USGS 06351200
331 cfs 2.27 ft 1149.06
Cannonball River At Breien
USGS 06354000
278 cfs 2.99 ft 54.44

Peak Annual Discharge

Cannonball River Maximum Total Discharge

Seasonal Comparison

Cannonball River Year Over Year Discharge


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