Mckenzie River below Trail Branch Dam near Belknap Springs, OR

USGS Site No: 14158850Mckenzie River • Linn County, OR

Mckenzie River below Trail Branch Dam near Belknap Springs, OR on the Mckenzie River is currently at 785 cfs (Low — 16th percentile for this date) . Gage height: 6.46 ft.

Reading from

785
CFS Discharge
6.46
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 741
25th Low threshold 847 Today: 785 cfs
50th (Median) Normal (median) 1,020
75th High threshold 1,250
95th Very High threshold 1,650

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.

2.1k 1.1k 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 756
May 27, 2026 758
May 26, 2026 759
May 25, 2026 731
May 24, 2026 702
May 23, 2026 720
May 22, 2026 745
May 21, 2026 765
May 20, 2026 774
May 19, 2026 748
May 18, 2026 754
May 17, 2026 780
May 16, 2026 763
May 15, 2026 782
Apr 20, 2026 1,040
Apr 19, 2026 995
Apr 18, 2026 1,020
Apr 17, 2026 1,040
Apr 16, 2026 1,010
Apr 15, 2026 1,030
Apr 14, 2026 906
Apr 13, 2026 903
Apr 12, 2026 964
Apr 11, 2026 949
Apr 10, 2026 945
Apr 9, 2026 935
Apr 8, 2026 935
Apr 7, 2026 969
Apr 6, 2026 998
Apr 5, 2026 1,030

Station Information

USGS Site No
14158850
State
OR
County
Linn County
Coordinates
44.2679, -122.0498
Drainage Area
184 mi²
Datum (ft)
1,980.0
HUC Code
17090004
View on USGS NWIS →

Recent Extremes

Max discharge
2,980 cfs
Dec 19, 2025
Min discharge
617 cfs
Nov 23, 2025

Computed from the local daily-values archive.