An overview of water insecurity across the 22 western states of the contiguous United States.
| Counties most facing water insecurity | |
| County | Percent lacking plumbing |
|---|---|
| Apache County, Arizona | 3.91 |
| McKinley County, New Mexico | 2.30 |
| Navajo County, Arizona | 1.85 |
| Coconino County, Arizona | 0.96 |
| Orange County, Texas | 0.66 |
| Cascade County, Montana | 0.47 |
| Garland County, Arkansas | 0.44 |
| Lonoke County, Arkansas | 0.38 |
