caldwell county regional water and wastewater planning study

APPENDIX EReductions in the allowable permitted production when levels in artesian wellsexceed the levels of drawdown indicated:TABLE 2CARRIZO OR WILCOX AVERAGE ARTESIAN DECLINECarrizo or Wilcox Average Artesian DeclineAnnual MonthlyAverage DrawdownReduction in current permitted pumpage80 feet 5% Reduction of current Ac/ft per Acre85 feet 10% Reduction of current Ac/ft per Acre90 feet 15% Reduction of current Ac/ft per Acre95 feet 20% Reduction of current Ac/ft per Acre100 feet Reduce original permitted pumpage 10%105 feet Reduce original permitted pumpage 20%110 feet Reduce original permitted pumpage 30%>115 feetThe Board shall apply additional 10% reductions to thepermitted pumpage in addition to the 30% reductionannually.TABLE 3CARRIZO OUTCROP AVERAGE WATER LEVEL DECLINECarrizo Outcrop Average Water Level DeclineAnnual Monthly Average WaterLevel Decline in the Outcrop AreaReduction in current permitted pumpage10% of saturated thickness Reduce original permitted pumpage 5%15% of saturated thickness Reduce permitted pumpage 10%20% of saturated thickness Reduce permitted pumpage 15%25% of saturated thickness Reduce permitted pumpage 20%30% of saturated thickness Reduce permitted pumpage 25%35% of saturated thickness Reduce permitted pumpage 30%40% of saturated thickness Reduce permitted pumpage 35%45% of saturated thickness Reduce permitted pumpage 40%>50% of saturated thicknessThe Board shall apply additional 10% reductions to thepermitted pumpage in addition to the 40% reduction annually.TABLE 4