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# Elephant Butte Down 14% on the Week, 47% Below the 5-Year Median

_Jun 4, 2026_

> Elephant Butte falls to 179,802 af, down 14% and 47% below the 5-year median at the start of drawdown season. Rio Grande gauge at 0.1 cfs. Wyoming at 98% drought coverage, Colorado at 93%, both 60-plus pts above their 5-year medians.

Elephant Butte Reservoir fell to **179,802 af** last week, a 14% week-over-week drop and 47% below the 5-year median per US Bureau of Reclamation data. The decline arrives at the start of irrigation-season drawdown, when the reservoir shoulders New Mexico's summer delivery load. USGS data show the tracked Rio Grande gauge at **0.1 cfs**.


[Chart: Elephant Butte Reservoir storage](https://the-waterline.com/reservoir/elephant-butte-reservoir) ([data](https://the-waterline.com/reservoir/elephant-butte-reservoir.md) — chart image: https://the-waterline.com/charts/reservoir/elephant-butte-reservoir/chart.png)


- **Wyoming:** 98% drought coverage (D1-D4), 68 pts above the 5-year median, no change on the week (US Drought Monitor).
- **Colorado:** 93% drought coverage, 62 pts above the 5-year median, down 1 pt week over week (US Drought Monitor).
- **Klamath County, OR:** 100% drought coverage, 62 pts above the 5-year median (US Drought Monitor).
- **Blue Mesa Reservoir:** 340,117 af, 32% below the 5-year median, down 1% on the week (USBR).
- **Bear-Great Basin streamflow:** 840 cfs, up 318% week over week but still 40% below the 5-year median (USGS).
- **San Juan-Colorado streamflow:** 796 cfs, 128% above the 5-year median, down 7% on the week (USGS).

CVP contractors across all tracked service categories stand at 100% (US Bureau of Reclamation, announced February 26). SWP statewide stands at 45%, revised from 30% on May 1 (California DWR). Neither changed this week.

*Data note: One CVP data series has not updated in more than two weeks. CVP storage and operational figures should be treated as stale until the series refreshes.*

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