Santiam River at Jefferson, OR

USGS Site No: 14189000Santiam River • Marion County, OR

Santiam River at Jefferson, OR on the Santiam River is currently at 2,770 cfs (Low — 24th percentile for this date) . Gage height: 3.05 ft.

Reading from

2,770
CFS Discharge
3.05
Gage Height (ft)
Low
Flow Condition
Normal
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 2,230
25th Low threshold 2,830 Today: 2,770 cfs
50th (Median) Normal (median) 4,060
75th High threshold 6,540
95th Very High threshold 14,700

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.

22k 11k 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 2,530
May 27, 2026 2,570
May 26, 2026 2,600
May 25, 2026 2,550
May 24, 2026 2,620
May 23, 2026 2,600
May 22, 2026 2,620
May 21, 2026 2,710
May 20, 2026 2,730
May 19, 2026 2,800
May 18, 2026 2,940
May 17, 2026 2,990
May 16, 2026 2,940
May 15, 2026 2,960
Apr 20, 2026 6,770
Apr 19, 2026 7,340
Apr 18, 2026 8,000
Apr 17, 2026 9,650
Apr 16, 2026 11,000
Apr 15, 2026 8,600
Apr 14, 2026 7,190
Apr 13, 2026 7,150
Apr 12, 2026 6,930
Apr 11, 2026 5,920
Apr 10, 2026 5,350
Apr 9, 2026 5,500
Apr 8, 2026 5,840
Apr 7, 2026 6,560
Apr 6, 2026 7,170
Apr 5, 2026 7,550

Station Information

USGS Site No
14189000
State
OR
County
Marion County
Coordinates
44.7147, -123.0143
Drainage Area
1,790 mi²
Datum (ft)
199.6
HUC Code
17090005
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
13.0 ft
Flood Stage
15.0 ft
Moderate Flood
19.0 ft
Major Flood
23.0 ft

Currently 11.95 ft below flood stage.

Recent Extremes

Max discharge
61,400 cfs
Dec 19, 2025
Min discharge
1,370 cfs
Aug 28, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges