Open-File Report 2006–1058
U.S. GEOLOGICAL SURVEY
Open-File Report 2006–1058
Table 7. Median changes in water levels, 2004–05 and prestress period to 2005, Black Mesa area, Arizona.
| Years | Aquifer conditions |
Number of wells |
Median change in water level (feet) |
|---|---|---|---|
| 2004–05 | All | 25 | -0.4 |
| Unconfined | 13 | -.1 | |
| Confined | 12 | -1.2 | |
| Prestress–2005 | All | 33 | -9.0 |
| Unconfined | 16 | -.6 | |
| Confined | 17 | -32.0 |
For more information about USGS activities in Arizona, visit the USGS Arizona Water Science Center home page.
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