Okanogan River

Streamflow Hydrology Weather


Okanogan River Levels

May 3 2024

15,049 ACRE-FT

Discharge Volume Today
-274.0 cfs (-3.49%) since yesterday
49.58% of normal Very Low

Total streamflow across the Okanogan River was last observed at 7,587 cfs, and is expected to yield approximately 15,049 acre-ft of water today; about 50% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 15,302 cfs, with recent peaks last observed on 2018-05-12 when daily discharge volume was observed at 69,180 cfs.

Maximum discharge along the river is currently at the Okanogan River At Malott reporting a streamflow rate of 3,650 cfs. However, the streamgauge with the highest stage along the river is the Okanogan River Near Tonasket with a gauge stage of 7.33 ft. This river is monitored from 3 different streamgauging stations along the Okanogan River, the highest being situated at an altitude of 887 ft, the Okanogan River At Oroville.

Last Updated 2024-05-03
Streamflow 7,587.0 cfs
Percent of Normal 49.58%
Maximum 69,180.0 cfs
2018-05-12

About the okanogan river


The Okanogan River is a 115-mile-long river that flows through Okanogan County in Washington state. The river has a rich history, as it was an important trade route for Native American tribes and later became a center for gold mining. Today, the river is used for irrigation and hydroelectric power generation. The river's hydrology is heavily influenced by snowmelt from the nearby Cascade Mountains. The river is home to several reservoirs and dams, including the Enloe Dam, which generates electricity for the region. The river is also a popular destination for recreational activities such as fishing, camping, and rafting. Additionally, the river is used for agricultural purposes, such as irrigation for fruit orchards and hay farms.

Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Okanogan River At Oroville
USGS 12439500
447 cfs 6.52 ft 1.36
Okanogan River Near Tonasket
USGS 12445000
3490 cfs 7.33 ft -4.38
Okanogan River At Malott
USGS 12447200
3650 cfs 5.29 ft -3.18

Peak Annual Discharge

Okanogan River Maximum Total Discharge

Seasonal Comparison

Okanogan River Year Over Year Discharge


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