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WSPC05416
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WSPC05416
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Last modified
7/29/2009 11:10:38 AM
Creation date
10/9/2006 5:12:36 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8064
Description
Indian Water Rights
State
CO
Date
5/1/1984
Author
Western Governors As
Title
Indian Water Rights in the West
Water Supply Pro - Doc Type
Report/Study
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<br />flows. <br /> <br />In many cases, ground water "mining" occurs. <br /> <br />In these <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />-6- <br /> <br />use exceeded stream flow in an average year of precipitation. <br /> <br />In virtually the entire area stream flow is exceeded by water <br /> <br />use in a dry year. <br /> <br />In areas where water use exceeds stream <br /> <br />flow ground water supplies must be used to supplement surface <br /> <br />C".;t-....,......:............. <br />...............a.........v......, <br /> <br />........................,..::r <br />5.l..VU.UU. <br /> <br />water extraction exceeds natural replenish- <br /> <br />ment. Many areas are currently exneriencing the various <br />difficulties associated with serious ground water over-draft. <br /> <br />The following illustration shows where this problem is most <br /> <br />accute. <br /> <br />It is also based on 1975 levels of withdrawal. <br /> <br />ILLUSTRATION II <br /> <br />THE PERCENTAGE OF GROUNOWA TER WITHDRAWN lHAT IS IN EXCESS OF NATURA.L RECHARGE AA1'tS '1)1', <br /> <br />0-9% <br />D <br /> <br />10-39% <br />EZIJ <br /> <br /> <br />40-69% <br />~ <br />@ltb <br />70% and over <br />- <br /> <br />(Note: According to the State of Arizona Department of <br /> <br />Water Resources the sub-region in the southeastern part of that <br /> <br />state should be shaded black.) <br />
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