Salt Fork Arkansas River at Tonkawa, OK

USGS Site No: 07151000 • Arkansas River • Kay County, OK

Salt Fork Arkansas River at Tonkawa, OK on the Arkansas River is currently at 779 cfs (High — 79th percentile for this date) . Gage height: 4.82 ft.

Reading from

779
CFS Discharge
4.82
Gage Height (ft)
High
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 26
25th Low threshold 48
50th (Median) Normal (median) 150
75th High threshold 433
95th Very High threshold 2,030 Today: 779 cfs

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.

15k 7.5k 0 cfs Apr 7 May 29
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 29, 2026 482 —
May 28, 2026 156 —
May 27, 2026 93 —
May 26, 2026 78 —
May 25, 2026 69 —
May 24, 2026 63 —
May 23, 2026 68 —
May 22, 2026 64 —
May 21, 2026 91 —
May 20, 2026 97 —
May 19, 2026 66 —
May 18, 2026 60 —
May 17, 2026 69 —
May 16, 2026 58 —
May 15, 2026 79 —
Apr 21, 2026 220 —
Apr 20, 2026 204 —
Apr 19, 2026 214 —
Apr 18, 2026 200 —
Apr 17, 2026 185 —
Apr 16, 2026 242 —
Apr 15, 2026 276 —
Apr 14, 2026 228 —
Apr 13, 2026 299 —
Apr 12, 2026 446 —
Apr 11, 2026 181 —
Apr 10, 2026 178 —
Apr 9, 2026 177 —
Apr 8, 2026 194 —
Apr 7, 2026 206 —

Station Information

USGS Site No
07151000
State
OK
County
Kay County
Coordinates
36.6720, -97.3095
Drainage Area
4,470 mi²
Datum (ft)
930.1
HUC Code
11060004
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
14.0 ft
Flood Stage
17.0 ft
Moderate Flood
20.0 ft
Major Flood
25.0 ft

Currently 12.18 ft below flood stage.

Recent Extremes

Max discharge
15,200 cfs
Jun 7, 2025
Min discharge
58 cfs
May 16, 2026
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges