Fontana Water CO Spill Ch From Afterbay near Fontana

USGS Site No: 11062800 • San Bernardino County, CA

Fontana Water CO Spill Ch From Afterbay near Fontana is currently at 25 cfs (Very High — 105th percentile for this date) . Gage height: 2.92 ft.

Reading from

25
CFS Discharge
2.92
Gage Height (ft)
Very High
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 0
25th Low threshold 0
50th (Median) Normal (median) 0
75th High threshold 3
95th Very High threshold 12

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.

49 24 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 25 —
May 27, 2026 24 —
May 26, 2026 23 —
May 25, 2026 23 —
May 24, 2026 23 —
May 23, 2026 23 —
May 22, 2026 23 —
May 21, 2026 24 —
May 20, 2026 24 —
May 19, 2026 24 —
May 18, 2026 24 —
May 17, 2026 24 —
May 16, 2026 24 —
May 15, 2026 24 —
Apr 20, 2026 30 —
Apr 19, 2026 30 —
Apr 18, 2026 30 —
Apr 17, 2026 30 —
Apr 16, 2026 20 —
Apr 15, 2026 15 —
Apr 14, 2026 21 —
Apr 13, 2026 18 —
Apr 12, 2026 19 —
Apr 11, 2026 28 —
Apr 10, 2026 40 —
Apr 9, 2026 32 —
Apr 8, 2026 33 —
Apr 7, 2026 31 —
Apr 6, 2026 31 —
Apr 5, 2026 39 —

Station Information

USGS Site No
11062800
State
CA
County
San Bernardino County
Coordinates
34.1556, -117.3956
Datum (ft)
1,580.9
HUC Code
18070203
View on USGS NWIS →

Recent Extremes

Max discharge
62 cfs
Mar 28, 2026
Min discharge
0 cfs
Feb 24, 2026

Computed from the local daily-values archive.

Nearby Gauges

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