Nepaug River near Nepaug, Ct.

USGS Site No: 01187800Nepaug River • Northwest Hills Planning Region, CT

Nepaug River near Nepaug, Ct. on the Nepaug River is currently at 15 cfs (Normal — 38th percentile for this date) . Gage height: 3.54 ft.

Reading from

15
CFS Discharge
3.54
Gage Height (ft)
Normal
Flow Condition
N/A
Flood Status

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 7
25th Low threshold 11
50th (Median) Normal (median) 19 Today: 15 cfs
75th High threshold 32
95th Very High threshold 100

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.

336 168 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 20
May 27, 2026 28
May 26, 2026 43
May 25, 2026 75
May 24, 2026 52
May 23, 2026 14
May 22, 2026 13
May 21, 2026 13
May 20, 2026 15
May 19, 2026 17
May 18, 2026 20
May 17, 2026 25
May 16, 2026 32
May 15, 2026 40
Apr 21, 2026 39
Apr 20, 2026 44
Apr 19, 2026 49
Apr 18, 2026 61
Apr 17, 2026 92
Apr 16, 2026 117
Apr 15, 2026 41
Apr 14, 2026 39
Apr 13, 2026 33
Apr 12, 2026 34
Apr 11, 2026 36
Apr 10, 2026 38
Apr 9, 2026 40
Apr 8, 2026 42
Apr 7, 2026 45
Apr 6, 2026 52

Station Information

USGS Site No
01187800
State
CT
Coordinates
41.8205, -72.9701
Drainage Area
24 mi²
Datum (ft)
499.8
HUC Code
010802070401
View on USGS NWIS →

Recent Extremes

Max discharge
726 cfs
May 6, 2025
Min discharge
3 cfs
Sep 22, 2025

Computed from the local daily-values archive.

Nearby Gauges