Great Western Spillback near Idaho Falls ID

USGS Site No: 13057132 • Bonneville County, ID

Great Western Spillback near Idaho Falls ID is currently at 65 cfs (Low — 12th percentile for this date) . Gage height: 1.29 ft.

Reading from

65
CFS Discharge
1.29
Gage Height (ft)
Low
Flow Condition
N/A
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 62
25th Low threshold 84 Today: 65 cfs
50th (Median) Normal (median) 123
75th High threshold 174
95th Very High threshold 296

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.

472 236 0 cfs Apr 4 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 53 —
May 27, 2026 56 —
May 25, 2026 73 —
May 24, 2026 73 —
May 23, 2026 74 —
May 22, 2026 78 —
May 21, 2026 85 —
May 20, 2026 100 —
May 19, 2026 112 —
May 18, 2026 112 —
May 17, 2026 101 —
May 16, 2026 91 —
May 15, 2026 76 —
Apr 20, 2026 116 —
Apr 19, 2026 138 —
Apr 18, 2026 136 —
Apr 17, 2026 128 —
Apr 16, 2026 116 —
Apr 15, 2026 89 —
Apr 14, 2026 183 —
Apr 13, 2026 202 —
Apr 12, 2026 211 —
Apr 11, 2026 205 —
Apr 10, 2026 207 —
Apr 9, 2026 126 —
Apr 8, 2026 88 —
Apr 7, 2026 0 —
Apr 6, 2026 0 —
Apr 5, 2026 0 —
Apr 4, 2026 0 —

Station Information

USGS Site No
13057132
State
ID
County
Bonneville County
Coordinates
43.6008, -112.0619
Datum (ft)
4,746.0
HUC Code
17040201
View on USGS NWIS →

Recent Extremes

Max discharge
211 cfs
Apr 12, 2026
Min discharge
0 cfs
Apr 7, 2026

Computed from the local daily-values archive.

Nearby Gauges

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