Hells Canyon Lake Water Level Today
Oregon · near La Grande · Near full pool
- Elevation
- 1,686.38 ft
- From full pool
- −1.62 ft
- Percent of pool
- 83.8%
- 24-hour change
- +0.14 ft
- 7-day change
- +0.40 ft
- Reading
- Sep 20, 2026 · USACE
Last year at Hells Canyon Lake
Hells Canyon Lake is 1.62 ft below full pool, at 1,686.38 ft, up 0.14 ft in the last 24 hours. That puts the lake at 83.8 percent of its conservation pool. The top of the flood pool is 6.6 ft higher, at 1,693.00 ft.
Over the last 7 days the level rose 0.40 ft, and over 30 days it rose 0.84 ft. In the 396 days of readings on this page the high was 1,686.99 ft on Jun 30, 2026 and the low was 1,684.20 ft on May 14, 2026, a range of 2.79 ft.
The reading is the U.S. Army Corps of Engineers gauge at Hells Canyon Dam, near La Grande, taken Sep 20, 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.
Hells Canyon Lake pool elevations
| Current elevation | 1,686.38 ft |
|---|---|
| Full pool (top of conservation) | 1,688.00 ft |
| Top of flood pool | 1,693.00 ft |
| Bottom of conservation pool | 1,678.00 ft |
| Top of dam | 1,695.00 ft |
| Inflow | 9,193 cfs |
| Outflow | 8,880 cfs |
| 30-day change | +0.84 ft |
| 1-year high | 1,686.99 ft (Jun 30, 2026) |
| 1-year low | 1,684.20 ft (May 14, 2026) |
| Vertical datum | NGVD29 |
| Operating agency | U.S. Army Corps of Engineers, NWW district |
Source: U.S. Army Corps of Engineers. Read what full pool and flood pool mean.
More lakes in Oregon
- Applegate Lake 1,904.03 ft, −82.97 ft from full
- Beulah Reservoir 3,289.79 ft, −43.21 ft from full
- Blue River Lake 1,258.54 ft, −91.46 ft from full
- Brownlee Lake 2,055.68 ft, −18.32 ft from full
- Bully Creek Reservoir 2,479.76 ft, −30.24 ft from full
- Cottage Grove Lake 770.54 ft, −19.46 ft from full
Hells Canyon Lake level questions
What is the water level of Hells Canyon Lake today?
Hells Canyon Lake is at 1,686.38 ft as of Sep 20, 2026, −1.62 ft relative to full pool (1,688.00 ft). The 24-hour change is +0.14 ft.
What is full pool at Hells Canyon Lake?
Full pool, the top of the conservation pool, is 1,688.00 ft (NGVD29). Above that, water is stored temporarily in the flood pool up to 1,693.00 ft. The bottom of the conservation pool is 1,678.00 ft.
Is Hells Canyon Lake rising or falling?
Over the last 24 hours the level is +0.14 ft; over 7 days it rose 0.40 ft, and over 30 days it rose 0.84 ft.
Where does this Hells Canyon Lake level come from?
From the U.S. Army Corps of Engineers (USACE) public data feed for Hells Canyon Dam. Lake Levels Today republishes the agency's daily value without adjustment and links to the source below.