Johnson Creek at Milwaukie

Highest listed crest 31.30 ftFlood stage 30.3 ft8 crests since 1996

The Johnson Creek at Milwaukie crested above flood stage 6 times among the 8 crests the National Weather Service lists from 1996 to 2025. The highest, 31.30 ft on December 8, 2015, was minor flooding, 1.00 feet above flood stage. 2 other gauges on the Johnson Creek crested above flood stage within a week of it, 2 at their own highest listed crest.

The gauge

Highest listed crest: 31.30 ft; December 8, 2015; 2,410 cubic feet per second
Flood stage: 30.3 ft; No major stage set
Crests at major: 0; 6 above flood stage
Most recent flood crest: December 19, 2025; 30.50 ft, minor flooding
Location: Clackamas County; Near Milwaukie (1.2 mi), Lake Oswego (3.9 mi), Gladstone (5.3 mi)
Identifiers: NWS MIWO3; USGS 14211550

Flood stages

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

Flood categories, Johnson Creek at Milwaukie

Action stage	29.0	2	Nov 19, 2012	The level at which the NWS or its partners begin to take action
Flood stage (minor)	30.3	6	Dec 19, 2025	Minimal or no property damage, but possibly some public threat

Every listed crest

8 crests from 1996 to 2025. Filled: at or above flood stage. Hover a crest for its date and stage.

Crests at or above flood stage, by decade

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.
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, Johnson Creek at Milwaukie

1	Dec 8, 2015	31.30	+1.00	Minor	2,410
2	Jan 2, 2009	30.78	+0.48	Minor	2,080
3	Dec 19, 2025	30.50	+0.20	Minor	1,962
4	Dec 3, 2007	30.39	+0.09	Minor	1,990
5	Jan 20, 2012	30.35	+0.05	Minor	1,850
6	Nov 19, 1996	30.30	0.00	Minor	1,940
7	Feb 8, 1996	30.27	−0.03	Action	2,170
8	Nov 19, 2012	29.41	−0.89	Action	1,570

The worst floods along the Johnson Creek

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

December 8, 2015: 31.30 ft here, minor flooding

SycamoreOR · Dec 7, 2015 · 15.33 ft · Major · its highest
GreshamOR · Dec 7, 2015 · 11.82 ft · Minor · its highest

January 2, 2009: 30.78 ft here, minor flooding

SycamoreOR · Jan 2, 2009 · 14.69 ft · Major

December 19, 2025: 30.50 ft here, minor flooding

SycamoreOR · Dec 19, 2025 · 12.98 ft · Minor
GreshamOR · Dec 19, 2025 · 10.65 ft · Minor

Gauges on the Johnson Creek

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

Flood gauges on the Johnson Creek

Gresham	OR	8.5	11.82 ft, Dec 7, 2015	0
Sycamore	OR	11.0	15.33 ft, Dec 7, 2015	8
Milwaukie this gauge	OR	30.3	31.30 ft, Dec 8, 2015	0

Other gauges in Clackamas County

Flood gauges in Clackamas County

Estacada	20.0	30.36 ft, Dec 22, 1964	5
Oregon City	39.0	46.56 ft, Dec 19, 2025	1
Canby	20.0	26.76 ft, Dec 22, 1964	3
Bull Run	19.3	22.59 ft, Feb 7, 1996	4
West Linn	13.5	18.32 ft, Feb 10, 1996	5
Falls at Oregon City	64.0	71.30 ft, Feb 5, 1990	10
Falls at Oregon City	27.0	50.50 ft, Feb 5, 1890	6

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

NOAA National Water Prediction Service, gauge MIWO3, 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.