Brantley Reservoir Water Level Today
New Mexico · near Carlsbad, NM · Well below full pool
- Elevation
- 3,241.26 ft
- From full pool
- −15.14 ft
- Percent of pool
- 44.3%
- 24-hour change
- −0.19 ft
- 7-day change
- −0.97 ft
- Reading
- Sep 21, 2026 · USACE
Last year at Brantley Reservoir
Brantley Reservoir is 15.14 ft below full pool, at 3,241.26 ft, down 0.19 ft in the last 24 hours. That puts the lake at 44.3 percent of its conservation pool. The top of the flood pool is 43.3 ft higher, at 3,284.60 ft.
Over the last 7 days the level fell 0.97 ft, and over 30 days it fell 4.57 ft. In the 400 days of readings on this page the high was 3,251.29 ft on May 12, 2026 and the low was 3,239.31 ft on Jul 29, 2026, a range of 11.98 ft.
The reading is the U.S. Army Corps of Engineers gauge, near Carlsbad, NM, taken Sep 21, 2026 and referenced to the NAVD88 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.
Brantley Reservoir pool elevations
| Current elevation | 3,241.26 ft |
|---|---|
| Full pool (top of conservation) | 3,256.40 ft |
| Top of flood pool | 3,284.60 ft |
| Bottom of conservation pool | 3,229.24 ft |
| Top of dam | 3,309.60 ft |
| Inflow | 9 cfs |
| Outflow | 108 cfs |
| 30-day change | −4.57 ft |
| 1-year high | 3,251.29 ft (May 12, 2026) |
| 1-year low | 3,239.31 ft (Jul 29, 2026) |
| Vertical datum | NAVD88 |
| Operating agency | U.S. Army Corps of Engineers, SPA district |
Source: U.S. Army Corps of Engineers. Read what full pool and flood pool mean.
More lakes in New Mexico
- Abiquiu Reservoir 6,200.24 ft, −29.76 ft from full
- Cochiti Lake 5,343.85 ft, −1.62 ft from full
- Conchas Lake 4,177.35 ft, −23.65 ft from full
- Lake Sumner 4,233.29 ft, −27.59 ft from full
- Navajo Reservoir 6,010.70 ft, −74.29 ft from full
- Santa Rosa Lake 4,696.22 ft, −80.28 ft from full
Brantley Reservoir level questions
What is the water level of Brantley Reservoir today?
Brantley Reservoir is at 3,241.26 ft as of Sep 21, 2026, −15.14 ft relative to full pool (3,256.40 ft). The 24-hour change is −0.19 ft.
What is full pool at Brantley Reservoir?
Full pool, the top of the conservation pool, is 3,256.40 ft (NAVD88). Above that, water is stored temporarily in the flood pool up to 3,284.60 ft. The bottom of the conservation pool is 3,229.24 ft.
Is Brantley Reservoir rising or falling?
Over the last 24 hours the level is −0.19 ft; over 7 days it fell 0.97 ft, and over 30 days it fell 4.57 ft.
Where does this Brantley Reservoir level come from?
From the U.S. Army Corps of Engineers (USACE) public data feed for Brantley Reservoir. Lake Levels Today republishes the agency's daily value without adjustment and links to the source below.