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 — 56th percentile for this date) . Gage height: 3.51 ft.

Reading from

21
CFS Discharge
3.51
Gage Height (ft)
Normal
Flow Condition
N/A
Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for October 28 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 3
25th Low threshold 4
50th (Median) Normal (median) 13
75th High threshold 46 Today: 21 cfs
95th Very High threshold 134

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.

669 334 0 cfs Apr 6 May 28
10th–95th historical Day-of-year median Recent discharge

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
View on USGS NWIS →

Recent Extremes

Max discharge
326 cfs
Mar 17, 2026
Min discharge
2 cfs
Sep 23, 2025

Computed from the local daily-values archive.

Nearby Gauges

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