LakeLevelIs Diamond A Reservoir low right now?
Diamond A Reservoir was at 3,977.37 ft on October 9, 2026, 12.37 ft above its full pool of 3,965.0 ft. That is 17.62 ft above the typical level for October 9 — higher than in 9 of 10 past years. Over the past week the lake has been falling about 1.58 ft a day.
Diamond A Reservoir on Oct 9 in past years
Daily levels, last two weeks
| Date | Level (ft) | Change | vs full pool |
|---|---|---|---|
| Oct 9 | 3,977.43 | −2.78 | +12.4 |
| Oct 8 | 3,980.21 | −4.01 | +15.2 |
| Oct 7 | 3,984.22 | −1.56 | +19.2 |
| Oct 6 | 3,985.78 | −0.94 | +20.8 |
| Oct 5 | 3,986.72 | −0.63 | +21.7 |
| Oct 4 | 3,987.35 | −0.53 | +22.3 |
| Oct 3 | 3,987.88 | −0.60 | +22.9 |
| Oct 2 | 3,988.48 | −0.64 | +23.5 |
| Oct 1 | 3,989.12 | −0.08 | +24.1 |
| Sep 30 | 3,989.20 | +3.88 | +24.2 |
| Sep 29 | 3,985.32 | +1.02 | +20.3 |
| Sep 28 | 3,984.30 | −2.10 | +19.3 |
| Sep 27 | 3,986.40 | −2.04 | +21.4 |
| Sep 26 | 3,988.44 | −0.94 | +23.4 |
About Diamond A Reservoir
- Full pool
- 3,965.0 ft (Top of Conservation)
- 10-year range
- 3,957.0 ft (June 17, 2021) to 3,989.9 ft (August 21, 2022)
- Operated by
- U.S. Army Corps of Engineers
- Data
- U.S. Army Corps of Engineers — SPA district, Diamond A
- Datum
- NGVD29
Lakes near Diamond A Reservoir
- Two Rivers DamNew Mexico · 1 mi 3,977.4 ft −11.1 wk12.4 ft above full pool
- Rocky ReservoirNew Mexico · 2 mi 3,953.7 ft −11.0 wk4.7 ft above full pool
- Alto ReservoirNew Mexico · 55 mi 7,276.3 ft −0.7 wkLatest reading
- Brantley ReservoirNew Mexico · 56 mi 3,254.2 ft +2.9 wkHigher than usual for this time of year
- Lake AvalonNew Mexico · 62 mi 3,176.6 ft −0.6 wkHigher than usual for this time of year
- Lake SumnerNew Mexico · 93 mi 4,243.7 ft +1.4 wkNormal for this time of year
Questions
Is Diamond A Reservoir low right now?
Diamond A Reservoir was at 3,977.37 ft on October 9, 2026, 12.37 ft above its full pool of 3,965.0 ft. That is 17.62 ft above the typical level for October 9 — higher than in 9 of 10 past years. Over the past week the lake has been falling about 1.58 ft a day.
What is full pool for Diamond A Reservoir?
Full pool (Top of Conservation) is 3,965.0 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 Diamond A Reservoir 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, Diamond A). Readings are provisional and can be revised.