Urban Water Conservation Under 2009 Legislation Ryan S. Bezerra February 8, 2013

2009 Water Legislation Feb. 28, 2008 Governor Schwarzenegger’s letter to Legislature identifies conservation as part of comprehensive Delta package On November 4, 2009, the Legislature passes a conservation bill – SB 7 – as part of package of water bills that include Delta reforms and water bond

Option 1 (Water Code (b)(1)) Flat 20% reduction in per capita water use from baseline 20% reduction from base gpcd

Option 2 (Water Code (b)(2)) 55 gpcd indoor Model ordinance outdoor 10% CII reduction + + Total of specific efficiency measures: (a)55 gpcd indoor use (b) Implementation of model landscape ordinance (c) 10% reduction in CII water use

Option 3 (Water Code (b)(3)) Option 3 agencies must achieve 5% reduction except No reduction if use below 100 gpcd DWR regional target from draft 20x2020 plan (April 2009) Supplier base gpcd

Option 4 (Water Code (b)(4)) DWR report to Legislature by 12/31/10 Climatic differences Density differences Regional flexibility Regional plant needs Different levels of CII Previous conservation

Option 4 Developed by Dept. of Water Resources (DWR) Targeted for 20% statewide if everyone used Outdoor used as gap-filling factor Final report: ency/sb7/docs/U4- LegReport pdf

2015 and 2020 Targets (Water Code (j), (a)-(b)) Baseline gpcd 2015 gpcd 2020 target 2015 Mid- point 2020 target 2020 gpcd Achieved Planned Achieved

Baseline – Gross Water Use (Water Code (g)) Base gross water use Recycled water Long- term storage Delivery to other suppliers Ag use Water in distribution system Can exclude process water from gross water use if a “substantial percentage of industrial water use” to avoid “disproportionate burden on another customer sector” (Water Code (e))

Baseline – Time Periods (Water Code (b)) Default 10% recycled in % Option

Target vs. Compliance SBX7 7 contains detailed rules only for setting conservation targets SBX 7 says that a supplier can meet its conservation target through combination of measures, but no “disproportionate burden” on any sector (Water Code (b)) Indoor target Outdoor target CII target CII compliance Outdoor compliance Indoor compliance

Results – 2010 Plan Targets April 2012 report by DWR identifies how many agencies chose various options and how much conservation urban water suppliers have targeted for

Future – DWR x2020 Report (Water Code ) By Dec. 31, 2016, DWR report on overall state progress toward 20% gpcd reduction and recommend next steps Option 1Option 2Option 3Option 4 DWR 2016 report Where is Cal. on 20x2020?