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Securing Arizona's Water Future
Water Adequacy in the Little Colorado River Plateau Basin

Water adequacy determination information including the subdivision name, location, number of lots, adequacy determination, reason for the inadequacy determination, date of determination and subdivision water provider are shown in Table 2.1-10A and B for water adequacy reports and analysis of adequate water supply.  Water adequacy designations are shown in Table 2.1-10C. Figure 2.1-12 shows the general location of subdivisions (to the section level) and designated providers keyed to the Table.  For a description of the Adequacy Program click here.  For adequacy determination data sources and methods see Volume 1, Appendix A.  For more information on adequacy determinations in the Little Colorado River Plateau Basin see Section 2.0.5 - Population.

  • Three hundred and six determinations of water adequacy for over 18,800 lots have been made through December 2008.
  • One hundred and forty-nine determinations of inadequacy have been made, primarily in the vicinity of Flagstaff, Show Low and Pinetop-Lakeside.
  • The most common reason for a determination of inadequacy was because the applicant chose not to submit necessary information and/or available hydrologic data were insufficient to make a determination.
  • There are two analyses of adequate water supply for a total of 1,936 lots.
  • There are 13 designated water providers. Six designated water providers have total projected or estimated annual demand of 10,450.22 acre feet.  The remaining seven designated water providers do not have a projected or estimated annual demand.
  • The number of lots receiving an adequacy determination, by county, are:

County

Number of Subdivision Lots

Number of Lots Determined to be Adequate

Percent Adequate

Apache

5,597

2,731

48

Coconino

4,139

2,330

56

Navajo

9,054

5,042

56

Click to view Table 2.1-10

Click for Table 2.1-10 Adequacy Determinations in the Little Colorado River Plateau Basin

Click here for Figure 2.1-11 Adequacy Determinations

Click for Figure 2.1-12 Water Adequacy Determinations in the Little Colorado River Plateau Basin

 

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