Naugatuck River at Beacon Falls, CT
USGS Site No: 01208500 • Naugatuck 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
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.
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
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 cfsMay 6, 2025
- Min discharge
-
73 cfsSep 22, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Hop Brook Near Naugatuck, CTUnknown4.4 mi · 10 cfs
-
Housatonic River at Stevenson, CTHigh6.8 mi · 4,030 cfs
-
Naugatuck River at Waterbury, CTNormal7.9 mi · 135 cfs
-
Mill River Near Hamden, CTNormal8.4 mi · 19 cfs
-
Pomperaug River at Southbury, CTNormal8.8 mi · 50 cfs