Gila Gravity Main Canal at Imperial Dam, AZ-CA

USGS Site No: 09522500 • Gila Gravity Main Canal • Yuma County, AZ

Gila Gravity Main Canal at Imperial Dam, AZ-CA on the Gila Gravity Main Canal is currently at 762 cfs (Normal — 52th percentile for this date) . Gage height: 16.28 ft.

Reading from

762
CFS Discharge
16.28
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 199
25th Low threshold 409
50th (Median) Normal (median) 740
75th High threshold 1,020 Today: 762 cfs
95th Very High threshold 1,200

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.

2.2k 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 1,160 —
May 27, 2026 1,200 —
May 26, 2026 1,320 —
May 25, 2026 1,060 —
May 24, 2026 676 —
May 23, 2026 571 —
May 22, 2026 754 —
May 21, 2026 906 —
May 20, 2026 1,160 —
May 19, 2026 1,370 —
May 18, 2026 1,430 —
May 17, 2026 561 —
May 16, 2026 515 —
May 15, 2026 955 —
Apr 20, 2026 1,580 —
Apr 19, 2026 603 —
Apr 18, 2026 604 —
Apr 17, 2026 902 —
Apr 16, 2026 1,480 —
Apr 15, 2026 1,290 —
Apr 14, 2026 1,450 —
Apr 13, 2026 1,350 —
Apr 12, 2026 664 —
Apr 11, 2026 841 —
Apr 10, 2026 1,200 —
Apr 9, 2026 1,380 —
Apr 8, 2026 1,500 —
Apr 7, 2026 1,810 —
Apr 6, 2026 1,550 —
Apr 5, 2026 431 —

Station Information

USGS Site No
09522500
State
AZ
County
Yuma County
Coordinates
32.8712, -114.4501
Datum (ft)
162.2
HUC Code
15030107
View on USGS NWIS →

Recent Extremes

Max discharge
1,810 cfs
Apr 7, 2026
Min discharge
53 cfs
Nov 29, 2025

Computed from the local daily-values archive.

Nearby Gauges

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