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Zone 7 Water Agency Executive Summary <br />ES.2 2019 Groundwater Conditions Overview <br />ES.2.1. Overview <br />Zone 7 has been managing groundwater resources sustainably for the past 50 years as demonstrated in <br />Figure ES -B. Zone 7 was able to keep the groundwater resources replenished and minimize reliance on <br />groundwater production to meet potable water demands during the 2019 WY. Overall, groundwater <br />conditions in the Livermore Basin are stable and have recovered from the 2011-2015 drought. <br />-,0 <br />330 <br />310 <br />290 <br />270 <br />c <br />0 <br />> J <br />W 250 <br />d N <br />�o <br />O <br />Ccc230 <br />2 <br />C9 <br />210 <br />190 <br />Figure ES -B: Bernal Key Well Hydrograph <br />170 Zone 7 Artificial <br />Recharge started in 1962 <br />150 p <br />O O N N 0 (`M O 0 0 W Or ti 0 M 0 N O O <br />W m m O) W m O) W W W W a) P m m Q? m m N N N N N <br />r r r r r r r r r r r r r r r <br />Year <br />Basin <br />Managed <br />Sustainably <br />Table ES -B summarizes the five sustainability indicators, their associated undesirable results, and <br />minimum thresholds as presented in the Alternative GSP (Zone 7, 2016d). The table also includes the <br />2019 WY status for each indicator and any action taken in the 2019 WY or planned for the upcoming <br />WY. More in depth descriptions of each sustainability indicator can be found in the sections of the <br />Executive Summary that immediately follow, as well as in this 2019 Annual Report for the Sustainable <br />Groundwater Management Program. <br />Annual Report for the Sustainable March 2020 <br />Groundwater Management Program 2019 WY ES -7 <br />