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Fanno Creek at Durham

Highest listed crest 11.78 ftFlood stage 9.1 ft5 crests since 2015

The Fanno Creek at Durham crested above flood stage 5 times among the 5 crests the National Weather Service lists from 2015 to 2025. The highest, 11.78 ft on December 7, 2015, was minor flooding, 2.68 feet above flood stage. 1 other gauge on the Fanno Creek crested above flood stage within a week of it, 1 at its own highest listed crest.

The gauge

Highest listed crest
11.78 ft
December 7, 2015; 1,680 cubic feet per second
Flood stage
9.1 ft
No major stage set
Crests at major
0
5 above flood stage
Most recent flood crest
December 19, 2025
9.21 ft, minor flooding
Location
Washington County
Near Tigard (2.0 mi), Tualatin (2.1 mi), Lake Oswego (2.7 mi)

Flood stages

The thresholds the National Weather Service uses for this gauge today, and how many listed crests reached each.

Flood categories, Fanno Creek at Durham
Action stage7.40—The level at which the NWS or its partners begin to take action
Flood stage (minor)9.15Dec 19, 2025Minimal or no property damage, but possibly some public threat

Every listed crest

5 crests from 2015 to 2025. Filled: at or above flood stage. Hover a crest for its date and stage.

Listed crests at the Fanno Creek at Durham, 2015 to 2025 9101112ft Flood stage 9.1 ft Dec 7, 2015: 11.78 ft, minor flooding; 1,680 cubic feet per secondDec 18, 2015: 10.27 ft, minor flooding; 1,310 cubic feet per secondNov 25, 2016: 10.69 ft, minor flooding; 1,413 cubic feet per secondFeb 6, 2017: 11.23 ft, minor flooding; 1,540 cubic feet per secondDec 19, 2025: 9.21 ft, minor flooding; 1,065 cubic feet per second Highest, 11.78 ft, Dec 7, 2015 201520202025

Crests at or above flood stage, by decade

Crests at or above flood stage per decade, Fanno Creek at Durham 2010s: 4 4 2020s: 1 2010s2020s
  1. These are the crests the local National Weather Service office lists for the gauge: the highest on record and recent crests. Lesser floods between them may be missing, so counts by decade are a floor.
  2. Categories use today's flood stages. Levees, dams and channel changes since a crest can make old and new stages not directly comparable.

Highest crests

Highest listed crests, Fanno Creek at Durham
1Dec 7, 201511.78+2.68Minor1,680
2Feb 6, 201711.23+2.13Minor1,540
3Nov 25, 201610.69+1.59Minor1,413
4Dec 18, 201510.27+1.17Minor1,310
5Dec 19, 20259.21+0.11Minor1,065

The worst floods along the Fanno Creek

For this gauge's highest crests, the other gauges on the Fanno Creek that crested above flood stage within a week.

December 7, 2015: 11.78 ft here, minor flooding

November 25, 2016: 10.69 ft here, minor flooding

Gauges on the Fanno Creek

In USGS station-number order, which runs downstream within a river basin.

Flood gauges on the Fanno Creek
56th Ave - PortlandOR11.112.07 ft, Dec 7, 20150
Durham this gaugeOR9.111.78 ft, Dec 7, 20150

Other gauges in Washington County

Flood gauges in Washington County
Forest Grove16.517.05 ft, Dec 19, 20250
Farmington32.037.20 ft, Feb 9, 19963
Dilley17.519.27 ft, Jan 21, 19720

Washington County: every hazard · River floods across the country · Oregon

NOAA National Water Prediction Service, gauge DURO3, retrieved October 30, 2026. Stages in feet on the gauge's own datum, not elevation. Crests are as the National Weather Service lists them; preliminary values may be revised.