Laguna DE Santa Rosa at Stony Pt Road near Cotati CA
USGS Site No: 11465680 • Sonoma County, CA
Laguna DE Santa Rosa at Stony Pt Road near Cotati CA is currently at 6 cfs (High — 89th percentile for this date) . Gage height: 74.39 ft.
Reading from
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) | 1 | |
| 75th | High threshold | 3 | |
| 95th | Very High threshold | 7 | Today: 6 cfs |
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.
30-Day Flow History
| Date | Discharge (CFS) | Gage Ht (ft) |
|---|---|---|
| May 28, 2026 | 13 | — |
| May 27, 2026 | 2 | — |
| 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 | 4 | — |
| May 16, 2026 | 4 | — |
| May 15, 2026 | 5 | — |
| Apr 20, 2026 | 36 | — |
| Apr 19, 2026 | 6 | — |
| Apr 18, 2026 | 7 | — |
| Apr 17, 2026 | 8 | — |
| Apr 16, 2026 | 9 | — |
| Apr 15, 2026 | 11 | — |
| Apr 14, 2026 | 15 | — |
| Apr 13, 2026 | 38 | — |
| Apr 12, 2026 | 93 | — |
| Apr 11, 2026 | 42 | — |
| Apr 10, 2026 | 58 | — |
| Apr 9, 2026 | 3 | — |
| Apr 8, 2026 | 4 | — |
| Apr 7, 2026 | 4 | — |
| Apr 6, 2026 | 4 | — |
| Apr 5, 2026 | 5 | — |
Station Information
- USGS Site No
- 11465680
- State
- CA
- County
- Sonoma County
- Coordinates
- 38.3521, -122.7441
- Drainage Area
- 41 mi²
- Datum (ft)
- 1.9
- HUC Code
- 18010110
Flood Stage Thresholds
- Action Stage
- 82.0 ft
- Flood Stage
- 84.0 ft
- Moderate Flood
- 85.0 ft
- Major Flood
- 89.0 ft
Currently 9.61 ft below flood stage.
Recent Extremes
- Max discharge
-
647 cfsJan 5, 2026
- Min discharge
-
0 cfsSep 1, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Colgan C near Sebastopol CANormal2.0 mi · 0 cfs
-
Copeland C at Rohnert Park CAUnknown2.4 mi · 2 cfs
-
Colgan C near Santa Rosa CAUnknown3.5 mi · 0 cfs
-
Sonoma Creek at Kenwood CANormal10.9 mi · 2 cfs
-
Walker C near Marshall CANormal12.8 mi · 6 cfs