LakeLevelIs Lake Sumner low right now?
Lake Sumner was at 4,243.72 ft on October 10, 2026, 17.16 ft below its full pool of 4,260.9 ft. That is 3.60 ft below the typical level for October 10, within the normal range. Over the past week the lake has been rising about 0.19 ft a day.
Lake Sumner on Oct 10 in past years
Daily levels, last two weeks
| Date | Level (ft) | Change | vs full pool |
|---|---|---|---|
| Oct 10 | 4,243.68 | +0.12 | −17.2 |
| Oct 9 | 4,243.56 | +0.18 | −17.3 |
| Oct 8 | 4,243.38 | +0.19 | −17.5 |
| Oct 7 | 4,243.19 | +0.17 | −17.7 |
| Oct 6 | 4,243.02 | +0.51 | −17.9 |
| Oct 4 | 4,242.51 | +0.17 | −18.4 |
| Oct 3 | 4,242.34 | +0.23 | −18.5 |
| Oct 2 | 4,242.11 | +0.30 | −18.8 |
| Oct 1 | 4,241.81 | +0.74 | −19.1 |
| Sep 30 | 4,241.07 | +1.21 | −19.8 |
| Sep 29 | 4,239.86 | +0.38 | −21.0 |
| Sep 28 | 4,239.48 | +0.32 | −21.4 |
| Sep 27 | 4,239.16 | +0.49 | −21.7 |
| Sep 26 | 4,238.67 | +0.61 | −22.2 |
About Lake Sumner
- Full pool
- 4,260.9 ft (Top of Conservation)
- 10-year range
- 4,233.1 ft (September 22, 2026) to 4,264.8 ft (January 29, 2016)
- Operated by
- U.S. Army Corps of Engineers
- Data
- U.S. Army Corps of Engineers — SPA district, Sumner
- Datum
- NAVD88
Lakes near Lake Sumner
- Santa Rosa LakeNew Mexico · 34 mi 4,725.9 ft +3.8 wkNormal for this time of year
- Conchas LakeNew Mexico · 56 mi 4,179.8 ft +0.6 wkNormal for this time of year
- Ute ReservoirNew Mexico · 74 mi 3,785.4 ft −0.0 wkNormal for this time of year
- Diamond A ReservoirNew Mexico · 93 mi 3,977.4 ft −11.1 wk12.4 ft above full pool
- Two Rivers DamNew Mexico · 94 mi 3,977.4 ft −11.1 wk12.4 ft above full pool
- Rocky ReservoirNew Mexico · 94 mi 3,953.7 ft −11.0 wk4.7 ft above full pool
Questions
Is Lake Sumner low right now?
Lake Sumner was at 4,243.72 ft on October 10, 2026, 17.16 ft below its full pool of 4,260.9 ft. That is 3.60 ft below the typical level for October 10, within the normal range. Over the past week the lake has been rising about 0.19 ft a day.
What is full pool for Lake Sumner?
Full pool (Top of Conservation) is 4,260.9 ft above sea level, per U.S. Army Corps of Engineers. Levels above it mean the operator is storing flood water; levels below it are normal in late summer and winter drawdowns.
How often is the Lake Sumner level updated?
The operator reports every 15 minutes to an hour. This page refreshes several times a day; the time of the latest reading is shown next to the level.
Where does this data come from?
U.S. Army Corps of Engineers (SPA district, Sumner). Readings are provisional and can be revised.