Groundwater Conditions in the Kanab Plateau Basin

Major aquifers, well yields, number of index wells and date of last water-level sweep are shown in Table 6.3-6.  Figure 6.3-7 shows water-level change between 1990-1991 and 2003-2004.  Figure 6.3-8 contains hydrographs for the wells shown on Figure 6.3-7.  Figure 6.3-9 shows well yields in three yield categories.  A description of aquifer data sources and methods as well as well data sources and methods, including water-level changes and well yields are found in Volume 1, Appendix A. 

Major Aquifers

• Refer to Table 6.3-6 and Figure 6.3-7.

• Major aquifers in the basin include recent stream alluvium and sedimentary rock.

• Almost all of the basin geology consists of consolidated crystalline and sedimentary rock.

• Data on natural recharge, groundwater in storage and groundwater flow direction are not available for this basin. 

Well Yields

• Refer to Table 6.3-6 and Figure 6.3-9.
• As shown on Figure 6.3-9, well yields in this basin range from less than 100 gallons per minute (gpm) to 1,000 gpm. 
• One source of well yield information, based on 10 reported wells, indicates that the median well yield in this basin is 70 gpm. 

Water Level

• Refer to Figure 6.3-7. Water levels are shown for wells measured in 2003-2004.
• The Department annually measures three index wells in this basin. Hydrographs of two of these wells are shown on Figure 6.3-8. More recent hydrographs for these wells may be found on the Department's GWSI website.
• For the two wells shown on Figure 6.3-7 depth to water was 87 feet at one well and 611 feet at the other.  Water level change was minimal between 1990-1991 and 2003-2004.

Click for Figure 6.3-7 Kanab Plateau Basin

Groundwater Conditions

Click for Figure 6.3-8 Kanab Plateau Basin Hydrographs Showing Depth to Water in Selected Wells

Click for Figure 6.3-8 Kanab Plateau Basin Well Yields

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