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Last modified
1/26/2010 12:52:32 PM
Creation date
10/12/2006 12:01:34 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8029
Description
Section D General Correspondence - Colorado Agencies
State
CO
Basin
Statewide
Date
8/24/1960
Author
Wells A Hutchins
Title
Western Legislation for Public Administration of Ground Water - Western Resources Conference
Water Supply Pro - Doc Type
Report/Study
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<br />. <br /> <br />f) v l4lJ"' <br /> <br />. <br /> <br />. <br /> <br />directions, by some secret influences, beyond our comprehension." <br />[Chatfield v. ~J11son, 28 Vt. 49, 54 (1855).] Although It is true <br />enough that ground water Is stili Invisible to the naked eye, much <br />of Its "secretiveness" and "Incomprehensibility" has been removed by <br />the science of ground water hydrology. <br /> <br />Some regulatory measures are not limited to defined local areas. <br />For example, laws and regulations relating to well drilling, or to <br />reports required from ground water users, may be statewide In applica- <br />tion. It is the aggregate of many withdrawals of water from given <br />sources of supply, which mayor may not be physically Interconnected, <br />that cause the greatest concern; hence are the essential factors of <br />specific ground water supply and specific su~face area In which with- <br />drawals therefrom are made. <br /> <br />The starting point In designating a ground water administrative <br />area, then, is determination of the body of ground water to which It Is <br />to be applied -- variously termed a basin, reservoir, formation, or <br />aquifer. For administrative purposes, a surface area Is designated <br />which overlies a ground water body, or a subdivision of it, or possibly <br />more than one distinct formation. <br /> <br />The purpose of a ground water area may be to supervise withdrawals <br />of water according to relative priorities of surface and ground water <br />rights, as in case of watermaster districts In Idaho. <br /> <br />The purpose may be to impose regulatory and corrective measures <br />through the media of autonomous legal subdivisions. Examples are the <br />Nebraska ground water conservation district, the New Mexico artesian <br />conservancy district, and the Texas underground water conservation <br />district. <br /> <br />If the status of the ground water supply In a particular region <br />gives cause for concern and suggests the need of public regulation, <br />either permanently or for the time being, the affected area is desig- <br />nated for this purpose by the State administrator. A favorite term <br />Is "critical area," which Is used In the larger number of States. <br />Other statutes speak of areas "designated" or "defined" by the adminis- <br />trator. <br /> <br />A critical ground water area, as defined in the Arizona statute, <br />overlies a ground water basin or subdivision in which there is not <br />enough ground water to provide a reasonably safe supply for irrigation <br />of cultivated lands at the then current rates of withdrawal. The same <br />thought is expressed In some other statutes but without limiting the <br />hazard to irrigation uses. Elsewhere an area may be critical if over- <br />draft or pollution is threatened, without waiting for the actual <br />occurrence. For example, the criterion In Colorado is a water supply <br />that appears to have approached, reached, or exceeded the normal <br />annual rate of replenishment. Danger signals In Wyoming Include use <br /> <br />- 8 - <br />
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