Rivers in Oregon
Clackamas River near Oregon City
Below flood stage
22.95ftStage
Observed Tue, Sep 22, 2:00 AM PDT
- Flood stage
- 39.00 ft
- Forecast crest
- 23.05 ftFri, Sep 25, 11:00 PM PDT
- Record crest
- 46.56 ft2025
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 46.00 ft |
| Moderate flood | 42.00 ft |
| Minor flood | 39.00 ft |
| Action | 38.00 ft |
- 46.00 ftexpect major flooding of some residences and buildings along the lower Clackamas River, including the mobile home park just downstream of Carver Bridge.
- 42.00 ftexpect flooding of parks, agricultural land, and low-lying areas along the lower Clackamas River from the Carver Bridge down to the confluence with the Willamette.
- 39.00 ftexpect minor flooding of low areas along the lower Clackamas River, including Clackamette Park, the Oregon City shopping center, and some agricultural land downstream of Carver Bridge.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | Under 5% |
| Moderate flooding | Under 5% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 21, 2026.
Crest history
8 crests on NOAA’s list since 2003.
| # | Date | Stage |
|---|---|---|
| 1 | December 19, 2025 | 46.56 ft |
| 2 | January 2, 2009 | 45.41 ft |
| 3 | January 17, 2011 | 42.52 ft |
| 4 | January 11, 2006 | 40.64 ft |
| 5 | December 31, 2005 | 40.61 ft |
| 6 | January 20, 2012 | 39.53 ft |
| 7 | November 7, 2006 | 39.35 ft |
| 8 | February 1, 2003 | 38.50 ft |
Most recent crests
- December 19, 2025: 46.56 ft
- January 20, 2012: 39.53 ft
- January 17, 2011: 42.52 ft
- January 2, 2009: 45.41 ft
- November 7, 2006: 39.35 ft
- January 11, 2006: 40.64 ft
- December 31, 2005: 40.61 ft
- February 1, 2003: 38.50 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the Northwest River Forecast Center. Forecasts are issued routinely year-round.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.