Water Authority’s ASR Policy Perspective RICK SHEAN, WATER QUALITY HYDROLOGIST AUG. 16, 2017
Water Authority’s ASR Policy History 2007 Policy C Rec. – 1997 Implement an ASR Policy B – Establish Program…begin a Ground-Water necessary pilot Drought Reserve studies...
Water 2120 Policy I - Protect and Enhance Storage of Native, San Juan- Chama and Other Water Resources “The Authority should consider the aquifer as a reservoir to be used conjunctively with above ground storage to optimize the use of current and future water supplies.”
Potential ASR Payoff
Tomorrow Large-Scale Recharge ASR and Today Vadose Zone Wells Bear Canyon Recharge
Current ABCWUA Recharge Projects
Bear Canyon Recharge • USR-2: ABCWUA Bear Canyon Recharge • Bank filtered, chlorinated river water • Infiltration through an unlined arroyo • Permitted for 3,000 acre-feet/year; actual discharge ~550 acre-feet per recharge season • Operating in alternate years (e.g., Fall 2014-Spring 2015, Fall 2016-Spring 2017) • Full-scale operations
DWTP Large-Scale Recharge Demonstration • USR-4: ABCWUA DWTP Large-Scale Recharge Demonstration • Treated (potable) surface water • ASR and vadose zone wells • Demonstration permit obtained • Drilling is underway!
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