Elephant Butte Lake: 5.1% full as of 2020-12-01

Elephant Butte Lake (located in New Mexico) is governed by the Rio Grande Compact. The Rio Grande Compact is an interstate compact signed in 1938 between the states of Colorado, New Mexico and Texas and approved by the U.S. Congress, to equitably apportion the waters of the Rio Grande Basin. Water from the lake supplies irrigation water as well as a portion of El Paso's supply when available.

Historical Data

Date Percent Full Mean Water Level
(ft)
Reservoir Storage
(acre-ft)
Conservation Storage
(acre-ft)
Conservation Capacity
(acre-ft)
Surface Area
(acres)
Most recent 2020-12-01 5.1 4,297.16 100,496 100,496 1,985,900 4,918
1 day prior 2020-11-30 5.0 4,297.03 99,858 99,858 1,985,900 4,899
2 days prior 2020-11-29 5.0 4,296.92 99,320 99,320 1,985,900 4,882
1 week prior 2020-11-24 4.9 4,296.36 96,609 96,609 1,985,900 4,799
1 month prior 2020-11-01 4.4 4,294.43 87,627 87,627 1,985,900 4,508
3 months prior 2020-09-01 5.5 4,298.63 107,889 107,889 1,960,900 5,146
6 months prior 2020-06-01 20.4 4,333.77 400,569 400,569 1,960,900 11,657
1 year prior 2019-12-01 24.3 4,340.83 489,204 489,204 2,010,900 13,388
*

Percent Full is based on Conservation Storage and Conservation Capacity and doesn't account for storage in flood pool.

**

   Values above, including today's are averaged conditions. For near real-time instantaneous water level, see table below or the interactive map viewer.

Most Recent Instantaneous Water Level

Date/time Water Level
(ft)
Conservation Pool Elevation
(ft)
Height Above Conservation Pool
(ft)
Most recent 2020-12-02 06:45 4,297.30 4,406.30 -109.00 below flood pool
1 hour prior 2020-12-02 05:45 4,297.25 4,406.30 -109.05 below flood pool
2 hours prior 2020-12-02 04:45 4,297.24 4,406.30 -109.06 below flood pool
6 hours prior 2020-12-02 00:45 4,297.24 4,406.30 -109.06 below flood pool
12 hours prior 2020-12-01 18:45 4,297.20 4,406.30 -109.10 below flood pool
24 hours prior 2020-12-01 06:45 4,297.14 4,406.30 -109.16 below flood pool
48 hours prior 2020-11-30 06:45 4,297.01 4,406.30 -109.29 below flood pool
*

Data is provisional and subject to revision.

Additional Information

Vertical datum NGVD29 -43.3
Gauge USBR:EBDN5
Dead pool elevation 4,231.50 ft above NGVD29 -43.3
Emergency spillway crest elevation 4,414.00 ft above NGVD29 -43.3
Maximum design elevation 4,415.00 ft above NGVD29 -43.3
Top of dam elevation 4,414.00 ft above NGVD29 -43.3
Conservation pool elevation
ending 2020-01-01
4,407.00 ft above NGVD29 -43.3
Conservation pool elevation
2020-01-01 to 2020-04-01
4,406.30 ft above NGVD29 -43.3
Conservation pool elevation
2020-04-01 to 2020-10-01
4,405.59 ft above NGVD29 -43.3
Conservation pool elevation
2020-10-01 to 2021-04-01
4,406.30 ft above NGVD29 -43.3
Conservation pool elevation
2021-04-01 to 2021-10-01
4,405.59 ft above NGVD29 -43.3
Conservation pool elevation
2021-10-01 to 2022-04-01
4,406.30 ft above NGVD29 -43.3
Conservation pool elevation
2022-04-01 to 2022-10-01
4,405.59 ft above NGVD29 -43.3
Conservation pool elevation
2022-10-01 to 2023-04-01
4,406.30 ft above NGVD29 -43.3
Conservation pool elevation
2023-04-01 to 2023-10-01
4,405.59 ft above NGVD29 -43.3
Conservation pool elevation
2023-10-01 to 2024-04-01
4,406.30 ft above NGVD29 -43.3
Conservation pool elevation
2024-04-01 to 2024-10-01
4,405.59 ft above NGVD29 -43.3
Conservation pool elevation
starting 2024-10-01
4,406.30 ft above NGVD29 -43.3
Data download (CSV) period of record, last one year, last 30 days

Elevation-Area-Capacity Curves

2019-11-01 (source: usbr)

Lake Location