New Mexico’s largest reservoir plunges to just 1.4% full
New Mexico's Elephant Butte Reservoir has dropped to 1.4% capacity due to prolonged drought and record-early snowmelt in the Rio Grande basin. This decline threatens agricultural stability in a region that relies heavily on irrigation for crops like pecans and green chiles.
Why it matters
The crisis highlights the growing vulnerability of water infrastructure in the American Southwest due to climate change.
When John Glenn orbited Earth in 1962, he commented on a striking green valley northwest of El Paso, Texas, surrounded by an otherwise dry landscape. That contrast is largely the result of human-made lakes along the Rio Grande, which have made farming possible in the arid region. Irrigation supports crops including alfalfa, cotton, onions, pecans, and the area's famous Hatch green chiles.
In recent years, however, unusually dry conditions across the Rio Grande basin have placed growing pressure on those water supplies. The region has endured prolonged and extreme drought. Conditions worsened in 2026 when the river's headwaters in the southern Rocky Mountains experienced the earliest snowmelt on record .
Get smarter about the news
Sign up free for a feed built around what you actually care about, Dive Deeper research on any story, and the full text of every article.
Create free accountAlready have an account? Sign in