J.w. Flannagan Lake Water Level Today
Virginia · near Haysi · At full pool
- Elevation
- 1,395.58 ft
- From full pool
- −0.42 ft
- Percent of pool
- 97.5%
- 24-hour change
- −0.06 ft
- 7-day change
- −0.45 ft
- Reading
- Sep 21, 2026 · USACE
Last year at J.w. Flannagan Lake
J.w. Flannagan Lake is at full pool, 1,395.58 ft, down 0.06 ft in the last 24 hours. That puts the lake at 97.5 percent of its conservation pool. The top of the flood pool is 50.4 ft higher, at 1,446.00 ft.
Over the last 7 days the level fell 0.45 ft, and over 30 days it fell 0.92 ft. In the 399 days of readings on this page the high was 1,397.83 ft on Aug 14, 2026 and the low was 1,380.08 ft on Feb 2, 2026, a range of 17.75 ft.
The reading is the U.S. Army Corps of Engineers gauge at J.W. Flannagan Dam, near Haysi, 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.
J.w. Flannagan Lake pool elevations
| Current elevation | 1,395.58 ft |
|---|---|
| Full pool (top of conservation) | 1,396.00 ft |
| Top of flood pool | 1,446.00 ft |
| Bottom of conservation pool | 1,379.40 ft |
| Top of dam | 1,460.00 ft |
| Inflow | 50 cfs |
| Outflow | 97 cfs |
| 30-day change | −0.92 ft |
| 1-year high | 1,397.83 ft (Aug 14, 2026) |
| 1-year low | 1,380.08 ft (Feb 2, 2026) |
| Vertical datum | NGVD29 |
| Operating agency | U.S. Army Corps of Engineers, LRH district |
Source: U.S. Army Corps of Engineers. Read what full pool and flood pool mean.
More lakes in Virginia
- Lake Moomaw and Gathright 1,568.30 ft, −13.70 ft from full
- North Fork of Pound Lake 1,611.33 ft, +0.33 ft from full
J.w. Flannagan Lake level questions
What is the water level of J.w. Flannagan Lake today?
J.w. Flannagan Lake is at 1,395.58 ft as of Sep 21, 2026, −0.42 ft relative to full pool (1,396.00 ft). The 24-hour change is −0.06 ft.
What is full pool at J.w. Flannagan Lake?
Full pool, the top of the conservation pool, is 1,396.00 ft (NGVD29). Above that, water is stored temporarily in the flood pool up to 1,446.00 ft. The bottom of the conservation pool is 1,379.40 ft.
Is J.w. Flannagan Lake rising or falling?
Over the last 24 hours the level is −0.06 ft; over 7 days it fell 0.45 ft, and over 30 days it fell 0.92 ft.
Where does this J.w. Flannagan Lake level come from?
From the U.S. Army Corps of Engineers (USACE) public data feed for J.W. Flannagan Dam. Lake Levels Today republishes the agency's daily value without adjustment and links to the source below.