Naugatuck River at Beacon Falls, CT

USGS Site No: 01208500Naugatuck River • Naugatuck Valley Planning Region, CT

Naugatuck River at Beacon Falls, CT on the Naugatuck River is currently at 213 cfs (Normal — 38th percentile for this date) . Gage height: 1.67 ft.

Reading from

213
CFS Discharge
1.67
Gage Height (ft)
Normal
Flow Condition
Normal
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 143
25th Low threshold 172
50th (Median) Normal (median) 254 Today: 213 cfs
75th High threshold 469
95th Very High threshold 1,410

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.

3.4k 1.7k 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 267 1.89
May 27, 2026 341 2.14
May 26, 2026 523 2.62
May 25, 2026 790 3.15
May 24, 2026 551 2.54
May 23, 2026 180 1.52
May 22, 2026 183 1.53
May 21, 2026 202 1.62
May 20, 2026 225 1.72
May 19, 2026 215 1.68
May 18, 2026 224 1.72
May 17, 2026 252 1.84
May 16, 2026 298 2.00
May 15, 2026 381 2.26
Apr 21, 2026 398 2.32
Apr 20, 2026 448 2.45
Apr 19, 2026 470 2.50
Apr 18, 2026 571 2.73
Apr 17, 2026 696 2.98
Apr 16, 2026 721 2.95
Apr 15, 2026 366 2.22
Apr 14, 2026 344 2.15
Apr 13, 2026 347 2.17
Apr 12, 2026 361 2.21
Apr 11, 2026 390 2.29
Apr 10, 2026 403 2.33
Apr 9, 2026 425 2.39
Apr 8, 2026 464 2.49
Apr 7, 2026 519 2.62
Apr 6, 2026 623 2.84

Station Information

USGS Site No
01208500
State
CT
Coordinates
41.4423, -73.0623
Drainage Area
260 mi²
Datum (ft)
114.3
HUC Code
011000051207
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
11.5 ft
Flood Stage
12.0 ft
Moderate Flood
13.0 ft
Major Flood
14.0 ft

Currently 10.33 ft below flood stage.

Recent Extremes

Max discharge
4,400 cfs
May 6, 2025
Min discharge
73 cfs
Sep 22, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges