River Conditions
Illustrated map of Green Peter Lake

River stage

Oregon City, Willamette River

River level
56.03 ft
Status
Below flood stage
7-day change
+0.05 ft
Recent high
56.16 ft
Recent low
54.61 ft

Last reported 2026-10-13 | NWS OCUO3

30-day change
+0.05 ft
Average
55.99 ft
Readings
122
Data span
122 days
Record crest
71.30 ft

In brief

The Willamette River at Oregon City, OR read 56.03 ft on Oct 13, 2026, 5.97 ft below action stage. That is 0.05 ft higher than 30 days earlier.

Source: National Weather Service gauge OCUO3

River level timeline

54.454.955.355.856.2SEP 13SEP 18SEP 23SEP 28OCT 03OCT 08OCT 13HIGH 56.04LOW 54.6156.00 ftLAST READING

Stage threshold profile

Action stage 62.00 ftMinor flooding 64.00 ftModerate flooding 65.00 ftMajor flooding 67.00 ft CURRENT 56.03 ft

Highest crests on record

RankCrestDate
1 71.30 ft 1990-02-05
2 70.10 ft 1964-12-25
3 69.47 ft 1996-02-09
4 69.40 ft 1923-01-09
5 68.50 ft 1943-01-03
6 67.50 ft 1953-01-21
7 67.50 ft 1955-12-24
8 67.40 ft 1965-01-30

Flood crests recorded at this gauge by the National Weather Service.

What happens at each level

  1. 64.70 ft

    expect water flowing over the top of lock gate #7.

  2. 65.00 ft

    expect flooding over side of upper locks. Water flow at this level begins to impact the paper plant and power plant.

  3. 69.50 ft

    expect flooding of the paper and power plants and areas on the Oregon City side of the river. Also expect considerable flooding of Southern Pacific Railroad, low parts of Hwy 99E, and other low areas upstream of the Oregon City locks.

Written by the local National Weather Service forecast office for this exact gauge.

Frequently asked questions

Is the Willamette River flooding at Oregon City?

No. The Willamette River at Oregon City is at 56.03 ft, 5.97 ft below action stage.

What is the flood stage at Oregon City?

The National Weather Service sets action stage 62 ft, minor flooding 64 ft, moderate flooding 65 ft and major flooding 67 ft.

What is the highest the Willamette River has been at Oregon City?

The highest crest on record is 71.3 ft, on 1990-02-05.

Is the Willamette River high or low right now at Oregon City?

At 56.03 ft it is higher than 72% of readings over the last 122 days.

Stage and flood information from the NOAA National Weather Service (gauge OCUO3); daily history from the U.S. Geological Survey (site 14207740). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.