How high is the Salt Fork Arkansas River at Tonkawa, OK right now?

The Salt Fork Arkansas River at Tonkawa, OK is currently flowing at 779 cubic feet per second with a gage height of 4.82 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Salt Fork Arkansas River at Tonkawa, OK normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 53th percentile compared to the long-term historical record at this gauge.

Is the Salt Fork Arkansas River at Tonkawa, OK at flood stage?

No — the gage height is 12.18 feet below the NWS flood-stage threshold of 17.0 feet.

What is the historical median flow for the Salt Fork Arkansas River at Tonkawa, OK on June 11?

The long-term median discharge for this date is 639 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 82 to 11,600 cfs.

Where is the Salt Fork Arkansas River at Tonkawa, OK stream gauge located?

The Salt Fork Arkansas River at Tonkawa, OK stream gauge is operated by the USGS in Kay County, OK on the Arkansas River. USGS site number 07151000 (coordinates 36.6720, -97.3095).

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 (Normal — 53th percentile for this date) . Gage height: 4.82 ft.

Reading from 1 week ago

↑ Upstream on Arkansas River

Arkansas River Near Portland, Co.

Downstream on Arkansas River ↓

Arkansas River Above Pueblo, CO

779

CFS Discharge

4.82

Gage Height (ft)

Normal

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	82
25th	Low threshold	291
50th (Median)	Normal (median)	639
75th	High threshold	1,690	Today: 779 cfs
95th	Very High threshold	11,600

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.

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

Chikaskia River Near Blackwell, OK
9.8 mi · 491 cfs

Normal
Arkansas River at Arkansas City, KS
29.3 mi · 3,190 cfs

Normal
Skeleton Creek at Enid, OK
34.1 mi · 3 cfs

Very Low
Arkansas River at Ralston, OK
34.3 mi · 1,890 cfs

Very Low
Boggy Creek at 30th St at Enid, OK
35.2 mi · 380 cfs

Very High