NATO member countries are highlighted blue on the map, including North America and Europe, such as Canada, the United States, and various Western and Eastern European nations.
Value | 240–259 | 220–239 | 200–219 | 180–199 | 160–179 | 140–159 | 120–139 | 100–119 | 80–99 | Less than 80 | 2.0 to 3.0 | 3.0 to 4.0 | 4.0 to 5.0 | 5.0 to 7.0 | 7.0 to 9.0 | 9.0 to 11.0 | 2 to 2.5 | 2.5 to 3 | 3 to 3.5 | 3.5 to 4 | 4 to 4.5 | 4.5 to 5 | 5 to 5.5 | 5.5 to 6 | 6 to 6.5 | 6.5 to 7 | 7 to 7.5 | Areas of Heavy Groundwater Extraction | Denver Basin | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 13.3% | 34.1% | 49.4% | 36.1% | 40.7% | 37.0% | 24.4% | 42.3% | 44.7% | 2.23% | 4.46% | 9.15% | 35.6% | 57.0% | 46.5% | 13.9% | 4.46% | 1.31% | 8.42% | 29.4% | 29.6% | 32.3% | 18.4% | 19.2% | 2.50% | 13.4% | 3.93% | 1.125 | 1 | ||
0.16.0