Santiam River at Jefferson, OR

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

Santiam River at Jefferson, OR on the Santiam River is currently at 2,770 cfs (Normal — 25th percentile for this date) . Gage height: 3.05 ft.

Reading from

2,770
CFS Discharge
3.05
Gage Height (ft)
Normal
Flow Condition
Normal
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 1,380
25th Low threshold 2,770 Today: 2,770 cfs
50th (Median) Normal (median) 4,720
75th High threshold 7,020
95th Very High threshold 14,500

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