Soil Quality · Arizona
Soil Quality
Soil composition, pH, drainage, and organic matter content
Top 10 — Soil Quality in Arizona
Score reflects soil quality only — not overall county quality.
All Arizona Counties — Soil Quality Rankings
15 counties ranked by soil quality score. Overall Score shown for context.
| # | County | Soil Quality Score | Overall Score |
|---|---|---|---|
| 1 | Apache County, AZ | 51.8 | |
| 2 | Cochise County, AZ | 39.9 | |
| 3 | Coconino County, AZ | 35.1 | |
| 4 | Gila County, AZ | 34.3 | |
| 5 | Graham County, AZ | 47.6 | |
| 6 | Greenlee County, AZ | 70.1 | |
| 7 | La Paz County, AZ | 37.2 | |
| 8 | Maricopa County, AZ | 32.6 | |
| 9 | Mohave County, AZ | 32.8 | |
| 10 | Navajo County, AZ | 39.9 | |
| 11 | Pima County, AZ | 26.9 | |
| 12 | Pinal County, AZ | 37.5 | |
| 13 | Santa Cruz County, AZ | 39.9 | |
| 14 | Yavapai County, AZ | 40.7 | |
| 15 | Yuma County, AZ | 34.7 |