Wapato Creek at Sw Gaston Road, at Gaston, OR

USGS Site No: 14202650 • Wapato Creek • Washington County, OR

Wapato Creek at Sw Gaston Road, at Gaston, OR on the Wapato Creek is currently at 4 cfs (Very High — 95th percentile for this date) . Gage height: 1.68 ft.

Reading from

4
CFS Discharge
1.68
Gage Height (ft)
Very High
Flow Condition
N/A
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 0
25th Low threshold 1
50th (Median) Normal (median) 2
75th High threshold 3
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.

100 50 0 cfs Apr 2 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 6 —
May 27, 2026 7 —
May 26, 2026 6 —
May 25, 2026 4 —
May 24, 2026 4 —
May 23, 2026 4 —
May 22, 2026 4 —
May 21, 2026 5 —
May 20, 2026 5 —
May 19, 2026 5 —
May 18, 2026 5 —
May 17, 2026 5 —
May 16, 2026 5 —
May 15, 2026 6 —
Apr 20, 2026 30 —
Apr 19, 2026 37 —
Apr 18, 2026 46 —
Apr 14, 2026 17 —
Apr 13, 2026 20 —
Apr 12, 2026 24 —
Apr 11, 2026 24 —
Apr 10, 2026 9 —
Apr 9, 2026 9 —
Apr 8, 2026 9 —
Apr 7, 2026 11 —
Apr 6, 2026 13 —
Apr 5, 2026 16 —
Apr 4, 2026 21 —
Apr 3, 2026 27 —
Apr 2, 2026 33 —

Station Information

USGS Site No
14202650
State
OR
County
Washington County
Coordinates
45.4406, -123.1250
Drainage Area
24 mi²
Datum (ft)
166.1
HUC Code
17090010
View on USGS NWIS →

Recent Extremes

Max discharge
312 cfs
Dec 19, 2025
Min discharge
-18 cfs
Mar 10, 2026

Computed from the local daily-values archive.

Nearby Gauges

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