How high is the Willamette River at Corvallis, OR right now?

The Willamette River at Corvallis, OR is currently flowing at 6,540 cubic feet per second with a gage height of 11.10 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Willamette River at Corvallis, OR normal for this time of year?

Current flow is classified as low for October 28. Today's discharge is at the 23th percentile compared to the long-term historical record at this gauge.

Is the Willamette River at Corvallis, OR at flood stage?

No — the gage height is 18.90 feet below the NWS flood-stage threshold of 30.0 feet.

What is the historical median flow for the Willamette River at Corvallis, OR on October 28?

The long-term median discharge for this date is 8,020 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 5,130 to unavailable cfs.

Where is the Willamette River at Corvallis, OR stream gauge located?

The Willamette River at Corvallis, OR stream gauge is operated by the USGS in Benton County, OR on the Willamette River. USGS site number 14171600 (coordinates 44.5664, -123.2568).

Willamette River at Corvallis, OR

USGS Site No: 14171600 • Willamette River • Benton County, OR

Willamette River at Corvallis, OR on the Willamette River is currently at 6,540 cfs (Low — 23th percentile for this date) . Gage height: 11.10 ft.

Reading from 4 months ago

↑ Upstream on Willamette River

Willamette River at Harrisburg, OR

Downstream on Willamette River ↓

Willamette River at Albany, OR

6,540

CFS Discharge

11.10

Gage Height (ft)

Low

Flow Condition

Normal

Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for October 28 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.

Percentile	Label	CFS Threshold	Today's Flow
10th	Very Low threshold	5,130
25th	Low threshold	6,780	Today: 6,540 cfs
50th (Median)	Normal (median)	8,020
75th	High threshold	11,200
95th	Very High threshold	0

30-Day Hydrograph

Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.

10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date	Discharge (CFS)	Gage Ht (ft)
May 28, 2026	6,500	—
May 27, 2026	6,600	—
May 26, 2026	6,670	—
May 25, 2026	6,640	—
May 24, 2026	6,660	—
May 23, 2026	6,590	—
May 22, 2026	6,370	—
May 21, 2026	6,440	—
May 20, 2026	6,500	—
May 19, 2026	6,620	—
May 18, 2026	6,810	—
May 17, 2026	6,780	—
May 16, 2026	6,480	—
May 15, 2026	6,240	—
Apr 20, 2026	9,450	—
Apr 19, 2026	10,100	—
Apr 18, 2026	10,700	—
Apr 17, 2026	11,500	—
Apr 16, 2026	11,400	—
Apr 15, 2026	8,610	—
Apr 14, 2026	8,510	—
Apr 13, 2026	9,320	—
Apr 12, 2026	8,900	—
Apr 11, 2026	6,710	—
Apr 10, 2026	6,380	—
Apr 9, 2026	6,480	—
Apr 8, 2026	6,740	—
Apr 7, 2026	7,070	—
Apr 6, 2026	7,560	—
Apr 5, 2026	8,050	—

Station Information

USGS Site No: 14171600
State: OR
County: Benton County
Coordinates: 44.5664, -123.2568
Drainage Area: 4,420 mi²
Datum (ft): 180.0
HUC Code: 17090003

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 26.0 ft
Flood Stage: 30.0 ft
Moderate Flood: 33.0 ft
Major Flood: 36.0 ft

Currently 18.90 ft below flood stage.

Recent Extremes

Max discharge: 47,400 cfs

Dec 20, 2025
Min discharge: 4,200 cfs

Dec 4, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Marys River Near Philomath, OR
4.8 mi · 78 cfs

Normal
Calapooia River at Albany, OR
7.3 mi · 119 cfs

Normal
Willamette River at Albany, OR
8.9 mi · 6,800 cfs

Normal
Santiam River at Jefferson, OR
15.7 mi · 2,770 cfs

Normal
North Santiam River at Greens Bridge, near Jefferson, OR
17.0 mi · 1,110 cfs

Very Low