Willamette River

Streamflow Hydrology Weather


Willamette River Levels

April 25 2024

136,880 ACRE-FT

Discharge Volume Today
-12300.0 cfs (-15.13%) since yesterday
68.96% of normal Low

Total streamflow across the Willamette River was last observed at 69,010 cfs, and is expected to yield approximately 136,880 acre-ft of water today; about 69% of normal. River levels are low and may signify a drought. Average streamflow for this time of year is 100,068 cfs, with recent peaks last observed on 2019-04-13 when daily discharge volume was observed at 674,700 cfs.

Maximum discharge along the river is currently at the Willamette River At Portland reporting a streamflow rate of 22,900 cfs. However, the streamgauge with the highest stage along the river is the Willamette River At Newberg with a gauge stage of 56.3 ft. This river is monitored from 6 different streamgauging stations along the Willamette River, the highest being situated at an altitude of 294 ft, the Willamette River At Harrisburg.

Last Updated 2024-04-25
Streamflow 69,010.0 cfs
Percent of Normal 68.96%
Maximum 674,700.0 cfs
2019-04-13

About the willamette river


The Willamette River is a major tributary of the Columbia River, running approximately 187 miles through western Oregon. The river has a rich history, having been home to several Native American tribes and having played a pivotal role in the region's settlement and industrialization. Today, the river is heavily utilized for recreational activities such as fishing, boating, and swimming, as well as agricultural purposes. Additionally, several reservoirs and dams have been constructed along the river, including the Detroit Dam and Foster Reservoir, which are used for hydroelectric power generation and flood control. The river's hydrology is characterized by seasonal variation in water levels and flow rates, with high flows in the winter and low flows in the summer. Despite some water quality concerns, efforts have been made to protect and restore the river's ecological health.

Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Willamette River At Harrisburg
USGS 14166000
7740 cfs 3.63 ft -2.15
Willamette River At Corvallis
USGS 14171600
9190 cfs 12.33 ft -3.77
Willamette River At Albany
USGS 14174000
9670 cfs 5.22 ft -1.43
Willamette River At Salem
USGS 14191000
14500 cfs 7.41 ft -2.68
Willamette River At Newberg
USGS 14197900
14200 cfs 56.3 ft -8.97
Willamette River At Portland
USGS 14211720
22900 cfs 4.04 ft -4.18

Peak Annual Discharge

Willamette River Maximum Total Discharge

Seasonal Comparison

Willamette River Year Over Year Discharge


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