Swanson Lake Water Level Today
Nebraska · near North Platte · Below full pool
- Elevation
- 2,734.26 ft
- From full pool
- −17.74 ft
- Percent of pool
- 64.5%
- 24-hour change
- +0.01 ft
- 7-day change
- −0.03 ft
- Reading
- Sep 21, 2026 · USACE
Last year at Swanson Lake
Swanson Lake is 17.74 ft below full pool, at 2,734.26 ft, up 0.01 ft in the last 24 hours. That puts the lake at 64.5 percent of its conservation pool. The top of the flood pool is 38.7 ft higher, at 2,773.00 ft.
Over the last 7 days the level held steady, and over 30 days it fell 1.09 ft. In the 395 days of readings on this page the high was 2,739.64 ft on Jun 26, 2026 and the low was 2,734.23 ft on Sep 17, 2026, a range of 5.41 ft.
The reading is the U.S. Army Corps of Engineers gauge at Trenton Dam (Swanson Lake), near North Platte, taken Sep 21, 2026 and referenced to the LOCAL 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.
Swanson Lake pool elevations
| Current elevation | 2,734.26 ft |
|---|---|
| Full pool (top of conservation) | 2,752.00 ft |
| Top of flood pool | 2,773.00 ft |
| Bottom of conservation pool | 2,702.00 ft |
| Top of dam | 2,793.00 ft |
| Inflow | 25 cfs |
| Outflow | 1 cfs |
| 30-day change | −1.09 ft |
| 1-year high | 2,739.64 ft (Jun 26, 2026) |
| 1-year low | 2,734.23 ft (Sep 17, 2026) |
| Vertical datum | LOCAL |
| Operating agency | U.S. Army Corps of Engineers, NWK district |
Source: U.S. Army Corps of Engineers. Read what full pool and flood pool mean.
More lakes in Nebraska
- Enders Lake 3,080.34 ft, −31.96 ft from full
- Harlan County Reservoir 1,932.14 ft, −13.59 ft from full
- Medicine Cr Lake 2,352.69 ft, −13.41 ft from full
- Papillion Creek Dam 11 Lake 1,122.33 ft, +1.33 ft from full
- Papillion Creek Dam 16 Lake 1,104.65 ft, +0.65 ft from full
- Papillion Creek Dam 18 Lake 1,111.79 ft, +1.79 ft from full
Swanson Lake level questions
What is the water level of Swanson Lake today?
Swanson Lake is at 2,734.26 ft as of Sep 21, 2026, −17.74 ft relative to full pool (2,752.00 ft). The 24-hour change is +0.01 ft.
What is full pool at Swanson Lake?
Full pool, the top of the conservation pool, is 2,752.00 ft (LOCAL). Above that, water is stored temporarily in the flood pool up to 2,773.00 ft. The bottom of the conservation pool is 2,702.00 ft.
Is Swanson Lake rising or falling?
Over the last 24 hours the level is +0.01 ft; over 7 days it held steady, and over 30 days it fell 1.09 ft.
Where does this Swanson Lake level come from?
From the U.S. Army Corps of Engineers (USACE) public data feed for Trenton Dam (Swanson Lake). Lake Levels Today republishes the agency's daily value without adjustment and links to the source below.