L Arkansas River at Highway 50 near Halstead, KS

USGS Site No: 07143672Arkansas River • Harvey County, KS

L Arkansas River at Highway 50 near Halstead, KS on the Arkansas River is currently at 307 cfs (High — 76th percentile for this date) . Gage height: 8.09 ft.

Reading from

307
CFS Discharge
8.09
Gage Height (ft)
High
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 7
25th Low threshold 27
50th (Median) Normal (median) 46
75th High threshold 130
95th Very High threshold 3,070 Today: 307 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.

8.9k 4.4k 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 125 6.81
May 27, 2026 5 5.78
May 26, 2026 5 5.80
May 25, 2026 5 5.81
May 24, 2026 5 5.82
May 23, 2026 5 5.81
May 22, 2026 6 5.82
May 21, 2026 6 5.84
May 20, 2026 7 5.87
May 19, 2026 18 6.10
May 18, 2026 8 5.86
May 17, 2026 5 5.79
May 16, 2026 5 5.81
May 15, 2026 5 5.80
Apr 20, 2026 11 5.90
Apr 19, 2026 11 5.90
Apr 18, 2026 13 5.95
Apr 17, 2026 14 5.98
Apr 16, 2026 15 5.99
Apr 15, 2026 17 6.04
Apr 14, 2026 19 6.06
Apr 13, 2026 22 6.11
Apr 12, 2026 25 6.16
Apr 11, 2026 21 6.10
Apr 10, 2026 16 6.00
Apr 9, 2026 16 6.01
Apr 8, 2026 16 6.02
Apr 7, 2026 16 6.01
Apr 6, 2026 15 6.00
Apr 5, 2026 14 5.97

Station Information

USGS Site No
07143672
State
KS
County
Harvey County
Coordinates
38.0285, -97.5405
Drainage Area
759 mi²
Datum (ft)
1,371.0
HUC Code
11030012
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
24.0 ft
Flood Stage
25.0 ft
Moderate Flood
27.0 ft
Major Flood
29.0 ft

Currently 16.91 ft below flood stage.

Recent Extremes

Max discharge
6,180 cfs
Jun 20, 2025
Min discharge
0 cfs
May 23, 2025
Days at flood stage
1

Computed from the local daily-values archive.

Nearby Gauges