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TRIGGER <br />STAGE 1 <br />STAGE 2 <br />STAGE 3 <br />STAGE 4 <br />STAGE 5 <br />(10 -day average) <br />Reduce total water usage by <br />30%. <br />• Stage 4: <br />Reduce total water usage by <br />40%. <br />J-17 Index Well Level <br /><660 <br /><650 <br /><640 <br /><630 <br /><625 <br />(MSL) <br />San Marcos Spring <br /><96 <br /><80 <br /><65 <br /><50 <br /><50 <br />Flow (CFS) <br />Comal Spring Flow <br /><225 <br /><200 <br /><150 <br /><100 <br /><45 <br />(CFS) <br />4.0 Goals <br />The goals of the Drought Response Plan are to achieve reductions in water usage by <br />limiting non-essential water uses. The specific reduction goals for each demand management <br />stage are as follows: <br />• Stage 1: <br />Reduce total water usage by <br />10%. <br />• Stage 2: <br />Reduce total water usage by <br />20%. <br />• Stage 3: <br />Reduce total water usage by <br />30%. <br />• Stage 4: <br />Reduce total water usage by <br />40%. <br />• Stage 5: <br />Reduce total water usage by <br />44%. <br />• Emergency: Reduce total water usage as needed to protect human health, safety <br />and welfare. <br />5.0 Demand Management Measures <br />The City of San Marcos Drought Response Plan includes year-round restrictions and five <br />drought response stages with progressively stringent demand management measures for the <br />following: <br />• Water waste; <br />• Irrigation with hose -end sprinklers and automatic sprinkler irrigation systems; <br />• Irrigation with hand-held bucket, hand-held hose, soaker hose and drip irrigation <br />systems; <br />• Irrigation of golf courses, athletic fields and commercial nurseries; <br />• Vehicle washing: <br />3 <br />