Fenton River at Mansfield, CT
USGS Site No: 01121330 • Fenton River • Capitol Planning Region, CT
Fenton River at Mansfield, CT on the Fenton River is currently at 21 cfs (Normal — 69th percentile for this date) . Gage height: 3.51 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 | 10 | |
| 25th | Low threshold | 11 | |
| 50th (Median) | Normal (median) | 16 | |
| 75th | High threshold | 23 | Today: 21 cfs |
| 95th | Very High threshold | 171 |
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 | 26 | — |
| May 27, 2026 | 32 | — |
| May 26, 2026 | 44 | — |
| May 25, 2026 | 55 | — |
| May 24, 2026 | 39 | — |
| May 23, 2026 | 21 | — |
| May 22, 2026 | 23 | — |
| May 21, 2026 | 25 | — |
| May 20, 2026 | 29 | — |
| May 19, 2026 | 29 | — |
| May 18, 2026 | 32 | — |
| May 17, 2026 | 39 | — |
| May 16, 2026 | 50 | — |
| May 15, 2026 | 83 | — |
| Apr 21, 2026 | 25 | — |
| Apr 20, 2026 | 27 | — |
| Apr 19, 2026 | 29 | — |
| Apr 18, 2026 | 28 | — |
| Apr 17, 2026 | 33 | — |
| Apr 16, 2026 | 40 | — |
| Apr 15, 2026 | 26 | — |
| Apr 14, 2026 | 25 | — |
| Apr 13, 2026 | 25 | — |
| Apr 12, 2026 | 25 | — |
| Apr 11, 2026 | 27 | — |
| Apr 10, 2026 | 28 | — |
| Apr 9, 2026 | 28 | — |
| Apr 8, 2026 | 30 | — |
| Apr 7, 2026 | 32 | — |
| Apr 6, 2026 | 37 | — |
Station Information
- USGS Site No
- 01121330
- State
- CT
- County
- Capitol Planning Region
- Coordinates
- 41.8332, -72.2428
- Drainage Area
- 18 mi²
- Datum (ft)
- 317.4
- HUC Code
- 011000020204
Recent Extremes
- Max discharge
-
326 cfsMar 17, 2026
- Min discharge
-
2 cfsSep 23, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Willimantic River at Merrow Road. Near Merrow, CTNormal3.7 mi · 105 cfs
-
Mount Hope River Near Warrenville, CTNormal3.9 mi · 26 cfs
- Unknown
-
Willimantic River Near Coventry, CTNormal5.8 mi · 120 cfs
-
Natchaug River at Marcy Road. Near Chaplin, CTNormal7.1 mi · 53 cfs