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Home My WebLink AboutItem K - PowerPoint Presentation ARCAD I S design&Consultancy fornaturaland built assets ARADIS 0 cealIC-geGCA =, CITY OF SEAL BEACH 2015 URBAN WATER MANAGEMENT PLAN Public Hearing May 23rd, 2016 s . t Y . 1 - � 4 CI -14'SeeigeaCA ARCADIS Urban Water Management Plan UWMP Act of 1983 applies to all CA water suppliers with: 3,000 or more service connections Sells at least 3,000 acre-feet per year (AFY) Plans must be filed with DWR every 5 years July 1, 2016 current plan deadline 1 ARCADIS Designr natural aBConsuitancy nd fo built assets ,k- c,fri-OA:SeACReczA FAARCADIS Major Elements Demonstrate water supply reliability over 25-year period — Normal year — Single-dry year — Multiple-dry year Detail shortage contingency planning for up 50% reduction of service Describe water demand management measures Identify planned water supply projects including recycling and desalination �.=) C�q c e-P.4A FAARCADIS DWR • Standardized tables Standardized • Online Submittal Tool Tables/Online Manually upload data Submittal Tool all electronic Standardized forms and tables SBx7-7 h' Streamlined process for calculating and reporting methodologies erification Form. Metrics include gross water use,indirect recycled water use Si •nificant • GIS based tool g DWR Population • Conjunction with SBx7-7 verification form UWMP • Two methods: T001 Manually draw agency's boundary Changes - Import existing GIS boundary Demand • Narrative focused,not quantitative Management • Retail Agencies—simplified to six general Measures requirements AWWA Water Audit Software Water Loss • Tracks water into system,consumption,and Reporting losses Evaluate quality and efficiency of operations 2 A RCA D I S 3esign&Consultancy for natural and built assets ,►k- Cte cOaigeaCg AARCADIS SBx7-7 (20% x 2020) Seal Beach's 20% x 2020 Base/Targets: Base: 156 GPCD 2015: 149 GPCD (actual 110 GPCD) 2020: 142 GPCD 00 Regional Alliance 20% x 2020 Targets: 2015: 178 GPCD (actual 125 GPCD) 2020: 158 GPCD `2'` -I o4Seafgec.. ARCADIS Seal Beach's Demand Projections (AF) '00% 90% 1,046 1,131 1,131 1132 80% 70% 60% 50% 2.442 2 62' 2,639 2,638 2.842 30% 20% 10% 0% 2020 _025 2030 2033 ■Groundwater ■Imported 3 : / 1RCI l S for natural and built assets ti)r Cif04 SeaCReccA La ARCADIS Seal Beach's Imported Water Supply Municipal Water District of Orange County (MWDOC) Retail Agency Supply sufficient to meet demands from 2020 through 2040 under single-dry year and multiple-dry year conditions Impacts to imported water supply reliability from Delta pumping restrictions Integrates Metropolitan's and MWDOC's shortage allocation plan Assumes short-term and long-term improvements in Bay- Delta ,k. Op-oc SeafgeccA1 ARCADIS Supply Reliability Basis of Water Year Data Base Year Available Supplies if Year Type (Fiscal Year Year Type Repeats(AF) Ending) Volume Available %of Average Supply Average Year 2015 3,774 100% Single-Dry Year 2014 4,000 106% Multiple-Dry Years 1st Year 2012 4,000 106% Multiple-Dry Years 2nd Year 2013 4,000 106% Multiple-Dry Years 3rd Year 2014 4,000 106% 4 /a RCA D I S 7esign&Consultancy K for natural and built assets Cfri 04 corgerzg OARCADIS � .. Normal Year Reliability Demands based on projections for average year factoring in growth and weather Normal Year Supply and Demand Comparison (AF) FYE 2020 2025 2030 2035 2040 Supply 3,488 3,744 3,770 3,769 3,774 Demand 3,488 3,744 3,770 3,769 3,774 C,-,F A A ARCADIS Single-Dry Year Reliability Demand Increase of 6% using FY 2013-14 demands as the single dry year historical Single Dry Year Supply and Demand Comparison (AF) FYE 2020 2025 2030 2035 2040 Supply 3,697 3,969 3,995 3,995 4,000 Demand 3,697 3,969 3,995 3,995 4,000 5 P" ARCADIS for natural and , bunt assets • a - Ci a4 ce‘firgeCCA OARCADIS Multiple-Dry Year Reliability Demand increase of 6% using FY 2011-12 through FY 2013-14 demands as the multiple dry years historical Multiple Dry Years Suppl and Demand Com.arison AF FYE 2020 2025 2030 2035 2040 First year Supply 3,697 3,969 3,996 3,995 4,000 Demand 3,697 3,969 3,996 3,995 4,000 Supply 3,697 3,969 3,996 3,995 4,000 Second year Demand 3,697 3,969 3,996 3,995 4,000 Third year Supply 3,697 3,969 3,996 3,995 4,000 Demand 3,697 3,969 3,996 3,995 4,000 loc celk-geaCA AARCADIS Local Supplies Groundwater Approximately 2,400 AFY through 4 wells in Orange County Groundwater Basin Pumping limitations set by Basin Pumping Percentage (BPP) Recycled Water No wastewater or recycled water treatment facilities. All wastewater sent to Orange County Sanitation District(OCSD) for treatment and disposal Seal Beach indirectly benefits from Orange County Water District (OCWD) Groundwater Replenishment System (GWRS) provides indirect potable reuse(IPR) credit 6 AR A D I S for natural and Omit assets ,k- Cfyf Seargeecg OARCaDIS Local Supplies Desalination Desalination projects are identified, but not part of assumed supplies over 25-year period - In 2001, MWD developed Seawater Desalination Program (SDP)to provide incentives for seawater desalination projects In 2014, MWD modified Local Resources Program (LRP)to include incentives for locally produced seawater desalination projects C. -4'SeeLe—ger.cA CAARCADIS Shortage/Contingency Planning Incorporates Metropolitan's Water Surplus and Drought Management Plan (WSDMP) /Water Supply Allocation Plan (WSAP) and MWDOC's WSAP Documents Seal Beach's participation in Water Emergency Response Organization of Orange County (WEROC) Seal Beach's Water Conservation Plan — Ordinance no. 1586 7 /. .RCAD I S Designs Consultancy d for natural an ,, 6uil[assets S ARCaDIS Summary Based on planning assumptions, Seal Beach is projected to have sufficient supplies under hydrologic scenarios defined in the UWMP — Supply shortage contingency planning for 50% reduction and supply interruption — Planned water supply projects including recycling — Current and planned demand management measures 8