Lost Creek Reservoir Water Level Today
Utah · near Croydon, UT · Well below full pool
- Elevation
- 5,941.56 ft
- From full pool
- −63.42 ft
- Percent of pool
- 31.6%
- 24-hour change
- +0.04 ft
- 7-day change
- −1.74 ft
- Reading
- Sep 17, 2026 · USACE
Last year at Lost Creek Reservoir
Lost Creek Reservoir is 63.42 ft below full pool, at 5,941.56 ft, up 0.04 ft in the last 24 hours. That puts the lake at 31.6 percent of its conservation pool. The top of the flood pool is 63.4 ft higher, at 6,005.00 ft.
Over the last 7 days the level fell 1.74 ft, and over 30 days it fell 9.15 ft. In the 396 days of readings on this page the high was 5,982.79 ft on Apr 19, 2026 and the low was 5,941.52 ft on Sep 16, 2026, a range of 41.27 ft.
The reading is the U.S. Army Corps of Engineers gauge, near Croydon, UT, taken Sep 17, 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.
Lost Creek Reservoir pool elevations
| Current elevation | 5,941.56 ft |
|---|---|
| Full pool (top of conservation) | 6,004.98 ft |
| Top of flood pool | 6,005.00 ft |
| Bottom of conservation pool | 5,912.30 ft |
| Top of dam | 6,022.00 ft |
| Inflow | 11 cfs |
| Outflow | 8 cfs |
| 30-day change | −9.15 ft |
| 1-year high | 5,982.79 ft (Apr 19, 2026) |
| 1-year low | 5,941.52 ft (Sep 16, 2026) |
| Vertical datum | NGVD29 |
| Operating agency | U.S. Army Corps of Engineers, SPK district |
Source: U.S. Army Corps of Engineers. Read what full pool and flood pool mean.
More lakes in Utah
- East Canyon Reservoir 5,660.44 ft, −44.56 ft from full
- Echo Reservoir 5,512.96 ft, −45.18 ft from full
- Jordanelle Reservoir 6,119.70 ft, −46.70 ft from full
- Little Dell Lake 5,761.94 ft, −23.17 ft from full
- Mountain Dell Reservoir 5,442.00 ft, −68.72 ft from full
- Pineview Reservoir 4,833.40 ft, −64.85 ft from full
Lost Creek Reservoir level questions
What is the water level of Lost Creek Reservoir today?
Lost Creek Reservoir is at 5,941.56 ft as of Sep 17, 2026, −63.42 ft relative to full pool (6,004.98 ft). The 24-hour change is +0.04 ft.
What is full pool at Lost Creek Reservoir?
Full pool, the top of the conservation pool, is 6,004.98 ft (NGVD29). Above that, water is stored temporarily in the flood pool up to 6,005.00 ft. The bottom of the conservation pool is 5,912.30 ft.
Is Lost Creek Reservoir rising or falling?
Over the last 24 hours the level is +0.04 ft; over 7 days it fell 1.74 ft, and over 30 days it fell 9.15 ft.
Where does this Lost Creek Reservoir level come from?
From the U.S. Army Corps of Engineers (USACE) public data feed for Lost Creek Reservoir. Lake Levels Today republishes the agency's daily value without adjustment and links to the source below.