South Fork Bull Run River Near Bull Run, OR

USGS Site No: 14139800 • South Fork Bull Run River • Clackamas County, OR

South Fork Bull Run River Near Bull Run, OR on the South Fork Bull Run River is currently at 32 cfs (Low — 21th percentile for this date) . Gage height: 3.09 ft.

Reading from

32
CFS Discharge
3.09
Gage Height (ft)
Low
Flow Condition
N/A
Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for June 11 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 23
25th Low threshold 35 Today: 32 cfs
50th (Median) Normal (median) 51
75th High threshold 95
95th Very High threshold 467

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.

616 308 0 cfs Apr 5 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 32 —
May 27, 2026 35 —
May 26, 2026 40 —
May 25, 2026 37 —
May 24, 2026 39 —
May 23, 2026 43 —
May 22, 2026 48 —
May 21, 2026 53 —
May 20, 2026 59 —
May 19, 2026 68 —
May 18, 2026 84 —
May 17, 2026 118 —
May 16, 2026 90 —
May 15, 2026 42 —
Apr 20, 2026 93 —
Apr 19, 2026 110 —
Apr 18, 2026 121 —
Apr 17, 2026 134 —
Apr 16, 2026 138 —
Apr 15, 2026 145 —
Apr 14, 2026 80 —
Apr 13, 2026 101 —
Apr 12, 2026 41 —
Apr 11, 2026 43 —
Apr 10, 2026 41 —
Apr 9, 2026 45 —
Apr 8, 2026 50 —
Apr 7, 2026 57 —
Apr 6, 2026 66 —
Apr 5, 2026 78 —

Station Information

USGS Site No
14139800
State
OR
County
Clackamas County
Coordinates
45.4446, -122.1095
Drainage Area
16 mi²
Datum (ft)
990.0
HUC Code
17080001
View on USGS NWIS →

Recent Extremes

Max discharge
1,540 cfs
Dec 19, 2025
Min discharge
6 cfs
Oct 9, 2025

Computed from the local daily-values archive.

Nearby Gauges

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