Little River at Harrisville, CT

USGS Site No: 01125490Little River • Northeastern Connecticut Planning Region, CT

Little River at Harrisville, CT on the Little River is currently at 25 cfs (Normal — 36th percentile for this date) . Gage height: 1.70 ft.

Reading from

25
CFS Discharge
1.70
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 16
25th Low threshold 21
50th (Median) Normal (median) 30 Today: 25 cfs
75th High threshold 39
95th Very High threshold 251

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.

462 231 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 34
May 27, 2026 45
May 26, 2026 57
May 25, 2026 52
May 24, 2026 31
May 23, 2026 28
May 22, 2026 26
May 21, 2026 24
May 20, 2026 30
May 19, 2026 39
May 18, 2026 48
May 17, 2026 58
May 16, 2026 67
May 15, 2026 69
Apr 21, 2026 63
Apr 20, 2026 74
Apr 19, 2026 88
Apr 18, 2026 103
Apr 17, 2026 83
Apr 16, 2026 65
Apr 15, 2026 51
Apr 14, 2026 48
Apr 13, 2026 49
Apr 12, 2026 52
Apr 11, 2026 58
Apr 10, 2026 62
Apr 9, 2026 67
Apr 8, 2026 75
Apr 7, 2026 82
Apr 6, 2026 92

Station Information

USGS Site No
01125490
State
CT
Coordinates
41.9278, -71.9300
Drainage Area
36 mi²
Datum (ft)
254.3
HUC Code
011000010401
View on USGS NWIS →

Recent Extremes

Max discharge
433 cfs
Mar 17, 2026
Min discharge
5 cfs
Sep 22, 2025

Computed from the local daily-values archive.

Nearby Gauges