Colgan C near Santa Rosa CA

USGS Site No: 11465690 • Sonoma County, CA

Colgan C near Santa Rosa CA is currently at 0 cfs (Unknown) . Gage height: 0.00 ft.

Reading from

0
CFS Discharge
0.00
Gage Height (ft)
Unknown
Flow Condition
Normal
Flood Status

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.

117 58 0 cfs Mar 22 Apr 20
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
Apr 20, 2026 34 —
Apr 19, 2026 1 —
Apr 18, 2026 1 —
Apr 17, 2026 1 —
Apr 16, 2026 1 —
Apr 15, 2026 1 —
Apr 14, 2026 1 —
Apr 13, 2026 2 —
Apr 12, 2026 14 —
Apr 11, 2026 19 —
Apr 10, 2026 19 —
Apr 9, 2026 0 —
Apr 8, 2026 0 —
Apr 7, 2026 0 —
Apr 6, 2026 0 —
Apr 5, 2026 0 —
Apr 4, 2026 0 —
Apr 3, 2026 1 —
Apr 2, 2026 1 —
Apr 1, 2026 1 —
Mar 31, 2026 5 —
Mar 30, 2026 0 —
Mar 29, 2026 0 —
Mar 28, 2026 1 —
Mar 27, 2026 1 —
Mar 26, 2026 1 —
Mar 25, 2026 1 —
Mar 24, 2026 1 —
Mar 23, 2026 1 —
Mar 22, 2026 1 —

Station Information

USGS Site No
11465690
State
CA
County
Sonoma County
Coordinates
38.4021, -122.7330
Drainage Area
3 mi²
Datum (ft)
2.5
HUC Code
18010110
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
104.0 ft
Flood Stage
106.0 ft
Moderate Flood
108.0 ft
Major Flood
109.0 ft

Currently 106.00 ft below flood stage.

Recent Extremes

Max discharge
70 cfs
Jan 5, 2026
Min discharge
0 cfs
Nov 4, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges

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