Alameda C above Div Dam near Sunol CA

USGS Site No: 11172945 • Alameda County, CA

Alameda C above Div Dam near Sunol CA is currently at 3 cfs (Normal — 59th percentile for this date) . Gage height: 2.04 ft.

Reading from

3
CFS Discharge
2.04
Gage Height (ft)
Normal
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 0
25th Low threshold 1
50th (Median) Normal (median) 2
75th High threshold 5 Today: 3 cfs
95th Very High threshold 10

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.

335 167 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 3 —
May 27, 2026 3 —
May 26, 2026 3 —
May 25, 2026 3 —
May 24, 2026 3 —
May 23, 2026 3 —
May 22, 2026 3 —
May 21, 2026 3 —
May 20, 2026 3 —
May 19, 2026 3 —
May 18, 2026 3 —
May 17, 2026 3 —
May 16, 2026 3 —
May 15, 2026 3 —
Apr 20, 2026 5 —
Apr 19, 2026 5 —
Apr 18, 2026 5 —
Apr 17, 2026 5 —
Apr 16, 2026 6 —
Apr 15, 2026 7 —
Apr 14, 2026 8 —
Apr 13, 2026 12 —
Apr 12, 2026 14 —
Apr 11, 2026 7 —
Apr 10, 2026 5 —
Apr 9, 2026 5 —
Apr 8, 2026 5 —
Apr 7, 2026 5 —
Apr 6, 2026 5 —
Apr 5, 2026 5 —

Station Information

USGS Site No
11172945
State
CA
County
Alameda County
Coordinates
37.4974, -121.7736
Drainage Area
33 mi²
Datum (ft)
909.2
HUC Code
18050004
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
6.0 ft
Flood Stage
6.0 ft
Moderate Flood
8.5 ft

Currently 3.96 ft below flood stage.

Recent Extremes

Max discharge
359 cfs
Feb 19, 2026
Min discharge
0 cfs
Oct 9, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges

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