Sasco Brook Near Southport, CT
USGS Site No: 01208950 • Sasco Brook • Greater Bridgeport Planning Region, CT
Sasco Brook Near Southport, CT on the Sasco Brook is currently at 5 cfs (Normal — 46th percentile for this date) . Gage height: 1.20 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 | 2 | |
| 25th | Low threshold | 3 | |
| 50th (Median) | Normal (median) | 5 | Today: 5 cfs |
| 75th | High threshold | 10 | |
| 95th | Very High threshold | 23 |
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 | 7 | 1.27 |
| May 27, 2026 | 10 | 1.36 |
| May 26, 2026 | 17 | 1.51 |
| May 25, 2026 | 34 | 1.77 |
| May 24, 2026 | 24 | 1.60 |
| May 23, 2026 | 4 | 1.13 |
| May 22, 2026 | 4 | 1.14 |
| May 21, 2026 | 4 | 1.14 |
| May 20, 2026 | 3 | 1.11 |
| May 19, 2026 | 4 | 1.14 |
| May 18, 2026 | 4 | 1.13 |
| May 17, 2026 | 4 | 1.14 |
| May 16, 2026 | 4 | 1.16 |
| May 15, 2026 | 5 | 1.18 |
| Apr 21, 2026 | 6 | 1.24 |
| Apr 20, 2026 | 6 | 1.26 |
| Apr 19, 2026 | 7 | 1.26 |
| Apr 18, 2026 | 7 | 1.26 |
| Apr 17, 2026 | 7 | 1.27 |
| Apr 16, 2026 | 8 | 1.30 |
| Apr 15, 2026 | 7 | 1.29 |
| Apr 14, 2026 | 8 | 1.30 |
| Apr 13, 2026 | 8 | 1.30 |
| Apr 12, 2026 | 8 | 1.30 |
| Apr 11, 2026 | 9 | 1.32 |
| Apr 10, 2026 | 9 | 1.33 |
| Apr 9, 2026 | 9 | 1.35 |
| Apr 8, 2026 | 10 | 1.36 |
| Apr 7, 2026 | 11 | 1.38 |
| Apr 6, 2026 | 13 | 1.44 |
Station Information
- USGS Site No
- 01208950
- State
- CT
- Coordinates
- 41.1528, -73.3059
- Drainage Area
- 7 mi²
- Datum (ft)
- 51.2
- HUC Code
- 011000060303
Recent Extremes
- Max discharge
-
152 cfsMay 6, 2025
- Min discharge
-
0 cfsAug 13, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Mill River Near Fairfield, CTLow2.1 mi · 7 cfs
-
Saugatuck River Near Westport, CTLow3.3 mi · 24 cfs
-
Rooster River at Fairfield, CTNormal4.9 mi · 5 cfs
-
Aspetuck River at Aspetuck, CTNormal5.3 mi · 2 cfs
-
Norwalk River at South Wilton, CTNormal6.0 mi · 15 cfs