Land zonation of different classes of aquifer vulnerability is a valuable tool for management and planning in this volume the recent developments within the interlinked areas of groundwater pollution aquifer recharge and vulnerability are highlighted. Numerous artificial sources of recharge associated with urban and residential land uses drain wells ditches and septic drain fields accelerate the movement of contaminants to the aquifer the highly permeable aquifer allows contaminants to spread rapidly making it difficult to clean up contamination once it has entered the aquifer. What is groundwater vulnerability groundwater vulnerability is a measure of how easy or how hard it is for pollution or contamination at the land surface to reach a production aquifer stated another way it is a measure of the degree of insulation that natural and manmade factors provide to keep pollution away from groundwater. Vulnerability of ground water to contamination edwards aquifer recharge zone bexar county texas 1998 by allan k clark abstract the edwards aquifer one of the most pro ductive carbonate rock aquifers in the nation is composed of the kainer and person formations of the edwards group plus the overlying georgetown formation. Pollution of groundwater vulnerability the water that individuals drink is the same water that falls in the form of rain on the fields that produce crops and graze livestock the fertilized lawns in residential neighborhoods and the oil stained parking lots in major cities
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