Colebrook Lake Water Level Today
Connecticut · near Torrington · Well below full pool
- Elevation
- 670.00 ft
- From full pool
- −40.00 ft
- Percent of pool
- n/a
- 24-hour change
- −0.52 ft
- 7-day change
- −4.19 ft
- Reading
- Sep 21, 2026 · USACE
Last year at Colebrook Lake
Colebrook Lake is 40.00 ft below full pool, at 670.00 ft, down 0.52 ft in the last 24 hours. The top of the flood pool is 91.0 ft higher, at 761.00 ft.
Over the last 7 days the level fell 4.19 ft, and over 30 days it fell 17.55 ft. In the 399 days of readings on this page the high was 712.06 ft on Apr 20, 2026 and the low was 652.11 ft on Oct 13, 2025, a range of 59.95 ft.
The reading is the U.S. Army Corps of Engineers gauge at Colebrook Dam, near Torrington, taken Sep 21, 2026 and referenced to the NGVD29 datum. This page is rebuilt once a day from the agency feed; it is not a live gauge, so during a fast rise or a scheduled release check the USACE page for hourly values.
Colebrook Lake pool elevations
| Current elevation | 670.00 ft |
|---|---|
| Full pool (top of conservation) | 710.00 ft |
| Top of flood pool | 761.00 ft |
| Top of dam | 790.00 ft |
| Inflow | 70 cfs |
| Outflow | 184 cfs |
| 30-day change | −17.55 ft |
| 1-year high | 712.06 ft (Apr 20, 2026) |
| 1-year low | 652.11 ft (Oct 13, 2025) |
| Vertical datum | NGVD29 |
| Operating agency | U.S. Army Corps of Engineers, NAE district |
Source: U.S. Army Corps of Engineers. Read what full pool and flood pool mean.
Colebrook Lake level questions
What is the water level of Colebrook Lake today?
Colebrook Lake is at 670.00 ft as of Sep 21, 2026, −40.00 ft relative to full pool (710.00 ft). The 24-hour change is −0.52 ft.
What is full pool at Colebrook Lake?
Full pool, the top of the conservation pool, is 710.00 ft (NGVD29). Above that, water is stored temporarily in the flood pool up to 761.00 ft.
Is Colebrook Lake rising or falling?
Over the last 24 hours the level is −0.52 ft; over 7 days it fell 4.19 ft, and over 30 days it fell 17.55 ft.
Where does this Colebrook Lake level come from?
From the U.S. Army Corps of Engineers (USACE) public data feed for Colebrook Dam. Lake Levels Today republishes the agency's daily value without adjustment and links to the source below.