Groundwater Conditions in the Little Colorado River Plateau Basin

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Date Published: 
March 2015
Authors: 
Arizona Department of Water Resources

Major aquifers, well yields, estimated natural recharge, estimated water in storage, number of index wells and date of last water-level sweep are shown in Table 2.1-6. Figure 2.1-7 shows aquifer boundaries, aquifer flow direction and water-level change between 1990-1991 and 2003-2004.

Reference Information: 

Arizona Department of Water Resources. 2015d. Groundwater Conditions in the Little Colorado River Plateau Basin. Online data retrieved at http://www.azwater.gov/.... Accessed March 12, 2015.

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Temporary Contact Update

The Tonto Supervisor’s Office in Phoenix remains temporarily closed in July 2019 due to a building renovation project. As a result, questions from the media and general public regarding the Resolution Copper Project and Land Exchange should be e-mailed to John Scaggs at: john.scaggs@usda.gov

EIS Timeline - Feb 2019

  1. Proponent submits revised Plan of Operations [Sep 2014]
  2. Federal Register Notice of Intent to prepare EIS [Mar 2016]
  3. Public scoping period and scoping meetings
    [5 meetings between Mar-Jun 2016; comment period extended from 60 days to 120 days, closed Jul 18, 2016 ]
  4. Compile and review existing data
  5. Prepare project description and identify project alternatives
  6. Publish Alternatives Evaluation Report [Sep 2017]
  7. We Are Here
    Validate Baseline Information; analyze environmental effects
  8. Prepare Draft EIS
  9. Federal Register Notice of Availability of Draft EIS
  10. 90-day public review and comment period, with public meetings
  11. Respond to public comments and prepare Final EIS
  12. Federal Register Notice of Availability of Final EIS and Draft ROD
  13. 45-day Public Objection Period
  14. Resolve objections to Final EIS and draft ROD
  15. Issue Final Record of Decision

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