Poston Wasteway Near Poston, AZ

USGS Site No: 09428510 • La Paz County, AZ

Poston Wasteway Near Poston, AZ is currently at 137 cfs (Normal — 72th percentile for this date) . Gage height: 23.41 ft.

Reading from

137
CFS Discharge
23.41
Gage Height (ft)
Normal
Flow Condition
N/A
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 90
25th Low threshold 99
50th (Median) Normal (median) 115
75th High threshold 140 Today: 137 cfs
95th Very High threshold 222

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.

334 167 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 22 —
May 28, 2026 44 —
May 27, 2026 66 —
May 26, 2026 66 —
May 25, 2026 62 —
May 24, 2026 44 —
May 23, 2026 46 —
May 22, 2026 65 —
May 21, 2026 55 —
May 20, 2026 64 —
May 19, 2026 61 —
May 18, 2026 70 —
May 17, 2026 63 —
May 16, 2026 55 —
May 15, 2026 48 —
Apr 21, 2026 120 —
Apr 20, 2026 114 —
Apr 19, 2026 120 —
Apr 18, 2026 114 —
Apr 17, 2026 99 —
Apr 16, 2026 60 —
Apr 15, 2026 88 —
Apr 14, 2026 93 —
Apr 13, 2026 85 —
Apr 12, 2026 72 —
Apr 11, 2026 84 —
Apr 10, 2026 71 —
Apr 9, 2026 54 —
Apr 8, 2026 94 —
Apr 7, 2026 104 —

Station Information

USGS Site No
09428510
State
AZ
County
La Paz County
Coordinates
33.9985, -114.4563
Datum (ft)
291.1
HUC Code
15030104
View on USGS NWIS →

Recent Extremes

Max discharge
310 cfs
Mar 21, 2026
Min discharge
6 cfs
Jan 7, 2026

Computed from the local daily-values archive.

Nearby Gauges

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