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San Antonio: A Conservation Success Story

San Antonio: A Conservation Success Story



Karen Guz, Director of Conservation, San Antonio Water System. Presentation at Texas Water Foundation, Central Texas Water Conservation Symposium February 26, 2013

Karen Guz, Director of Conservation, San Antonio Water System. Presentation at Texas Water Foundation, Central Texas Water Conservation Symposium February 26, 2013



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    San Antonio: A Conservation Success Story San Antonio: A Conservation Success Story Presentation Transcript

    • San  Antonio:  A  Conserva/on   Success  Story  Karen  Guz  Director  /  Conserva/on     February  26,  2013   Central  Texas  Water  Conserva/on  Symposium  
    • February  26,  2013   San  Antonio  Water  Challenge   •  SAWS  provides  water  and  waste  water  services  to  1.6   million  people   •  Project  20,000  people/year  growth  rate   •  May  lose  between  20-­‐40%  of  supply  due  to  drought   regula/ons  and  lack  of  rain  to  replenish   •  New  water  supplies  are  all  expensive  and  challenging  to   acquire   Page 2San  Antonio:  A  Conserva/on  Success  Story  
    • February  26,  2013   Extreme  Weather   Ques/on:  How  to  Supply  During  all  Times?    Jan 2007 Sep 2007 Aug 2009 Sep 2010 Sep 2011 | Driest 24 months on record | Wettest First 68 days of 3rd Wettest 13 Least rain since 8 Months of 100 degree month period recording began Any Year temperature on record in 187144.6” in 8 mos 24.8” in 24 mos 58.6” in 13 mos 7.6” in 11 mos Page 3 San  Antonio:  A  Conserva/on  Success  Story  
    • February  26,  2013  Drought  of  Record  Planning   Ques/on:  How  Bad  Could  it  Get?   680 670 e l b 100% l a i a ) 660 80% v l A s y l m p ( l p e 650 70% u v S e s L d r 7 a 1 - w J 640 65% d E % 630 56% 620 610 Year 1 Year 2 Year 3 Year 4 Year 5 Year 6 Year 7 Year 8 Year 9 89.81% 74% 68.87% 69.19% 64.34% 60.2% 57.57% 64.18% 95.64% 600 Page 4San  Antonio:  A  Conserva/on  Success  Story  
    • February  26,  2013   Demand  Reduc/on  Strategy   Minimize  New  Supply  Costs   •  Long  Term  Conserva/on   –  Reduce  per  capita  usage  each  year   –  Lessens  the  need  for  new  water  to  meet  growth  needs   •  Short-­‐Term  Demand  Reduc/on   –  During  drought  periods   –  Staged  drought  plans  reduce  the  need  for  new  supplies   Page 5San  Antonio:  A  Conserva/on  Success  Story  
    • February  26,  2013   Drought  Restric/ons   Ques/on:  What  to  do  During  Drought?   Edwards Stage Edwards Supply City Restrictions 660 ft msl Stage I Loss of 20% Water 1X/Week 650 ft msl Water 1X/Week Stage II Loss of 30% Reduced Hours 640 ft msl Water 1X Every Other Week Stage III Loss of 35% Reduced Hours 630 ft msl All Above Plus Stage IV Loss of 40% Surcharge Excess UsageOther  rules  apply  for  car  washing,  power  washing,  pools,  decora/ve  fountains,  and  hotel  linen  programs   Page 6San  Antonio:  A  Conserva/on  Success  Story  
    • February  26,  2013   Water  Management  Issues   Ques/on:  What  is  the  Problem  We  Need  to  Solve?   •  Given  DOR  scenario  &  available  supplies,  what  is  our   specific  challenge?   •  GPCD  target  &  /meline?  Why?   •  Dry-­‐year  challenge  or  year-­‐round?   •  What  policies,  ordinance,  programs  and  strategies  do   we  need  to  contemplate  to  succeed  in  reaching  our   target  on  /me?   Page 7San  Antonio:  A  Conserva/on  Success  Story  
    • February  26,  2013   Not  so  long  ago…   The crisis that did not go to waste; conservation ethic started and then thrived. Page 8San  Antonio:  A  Conserva/on  Success  Story  
    • February  26,  2013   Successful  Conserva/on  Program   Common  Themes  that  Seem  to  Work    •  Educa/on  &  Outreach   Partnerships,  events,  workshops,  site  visits,  e-­‐newsleWer,   performance  contracts,  adver/sing,  PR  •  Reasonable  Regula/on   Addresses  efficiencies  in  MANY  uses  of  water  •  Financial  Investment   Capital  program,  /ered  rate  structure,  rebate   programs,  free  products  and  customer     consulta/ons   Page 9San  Antonio:  A  Conserva/on  Success  Story  
    • February  26,  2013   Customer  Programs                Equipment  Change      vs.          Behavior  Change   •  One  decision,  one  /me,   •  Decision  to  use  water   ongoing,  month  to  month   or  not  needs  to  be   savings   made  daily     Page 10San  Antonio:  A  Conserva/on  Success  Story  
    • February  26,  2013   Behavior  Change  Programs   •  Landscape  Rebates   •  Home  and  Irriga/on  Check-­‐ups  for  homeowners   •  Workshops  and  Events  for  the  public   •  Demonstra/on  Gardens   •  WaterSaver  eNewsleWer   Page 11San  Antonio:  A  Conserva/on  Success  Story  
    • February  26,  2013   Equipment  Change  Programs   •  Toilet  Distribu/on:  HET  &  Urinals   •  Restaurant  Retrofit:  spray  nozzles     •  Plumbers  to  People:  plumbing  repairs   •  Wash  Right:  washing  machine  rebate   •  Custom  Retrofits:  for  unique  projects   Page 12San  Antonio:  A  Conserva/on  Success  Story  
    • February  26,  2013   Stakeholder  Partnerships   Page 13San  Antonio:  A  Conserva/on  Success  Story  
    • February  26,  2013  Conserva/on  =  Con/nuous  Improvement   Conserva/on  is:   •  Set  in  place  to  meet  long-­‐term  water  management  goals   •  Addresses  all  water  end  use  categories     •  Year-­‐round   •  Measures  begin  as  voluntary  (can  become  rules  over  /me)   •  Oben  provides  improvements  in  quality  of  life   •  Requires  innova/on,  analysis,  evalua/on,  and  change   Page 14San  Antonio:  A  Conserva/on  Success  Story  
    • February  26,  2013  Drought  =  Mandatory  Temporary  Rules  Drought  Management  is:  •  In  response  to  special  condi/ons  to   obtain  immediate  cut-­‐back  •  Focused  on  discre/onary  usage  •  Mandatory  •  Staged  to  reflect  severity  of  situa/on  •  Oben  inconvenient  for  customers  •  Temporary   Page 15San  Antonio:  A  Conserva/on  Success  Story  
    • February  26,  2013   Extreme  Droughts   How  Low  Can  a  Community  Go  in  an  Emergency?   •  Each  u/lity  should  know  how  much  of  total  use  is   “discre/onary”  and  could  be  eliminated  if  drought   worsens?   •  Drought  plans  can  include  phases  that  reduce   discre/onary  without  a  ban  on  it   –  Stage  Three:  s/ll  allows  hand-­‐watering   –  Stage  Four:  applies  surcharge  on  high  use   –  Ban:  not  needed  based  on  analysis,  but  actual   implementa/on  will  the  test   Page 16San  Antonio:  A  Conserva/on  Success  Story  
    • February  26,  2013   Long  Term  Targets  &  Evalua/on   Top  Down  and  Booms  Up  are  Both  Important   •  Top  Down:   –  Reaching  target  requires  an  average  drop  of  ___  in  total   GPCD/year   –  Trends  watched  each  year  against  weather   •  BoWoms  Up:   –  __  GPCD  =  ____  acre  feet  of  savings/  year   –  Adding  up  each  program  has  yielded  2000  acre  feet/  year   (using  available  budget)   –  Customer  educa/on  saves  more  from  behavior  changes   Page 17San  Antonio:  A  Conserva/on  Success  Story  
    • February  26,  2013   Water  Use  Per  Bill  Trends   All  Residen/al,  Commercial,  Industrial,  Apartment   •  Trend line drop appears to be 15% reduction over ten yearsGallons •  Dry year drop is about 9% reduction over ten years Page 18 San  Antonio:  A  Conserva/on  Success  Story  
    • February  26,  2013   Are  Programs  Affec/ng  Trends?   Programs  Target  Billed  Water  Trends   •  Program  evalua/ons  demonstrate  reduc/ons  in   individual  customer  use  from  educa/on,  incen/ves  &   retrofits   •  Billed  water  averages  are  declining  over  /me  as   more  customers  use  less  water   •  New  programs  will  have  to  target  outdoor  irriga/on   to  offset  trend  of  higher  use  in  summers  from   automa/c  irriga/on   Page 19San  Antonio:  A  Conserva/on  Success  Story  
    • February  26,  2013   What  About  Water  Losses?   All  Systems  Need  Programs  to  Minimize  Losses   •  Misconcep/on  is  that  nearly  all  “Non  Revenue   Water”  is  from  main  breaks  or  leaks   •  Large  por/ons  can  be  water  used,  but  not  billed   –  Older  meters,  water  theb,  fire  prepara/ons,  line  flushing   and  other  factors  are  significant   Page 20San  Antonio:  A  Conserva/on  Success  Story  
    • February  26,  2013   Water  Loss  Audit  Models   Iden/fy  Opportuni/es  and  Realis/c  Goals  for  Long  Term   • Billed  Metered  Consump/on   • Billed   (including  water  exported)   • Revenue   Authorized   Water   • Authorized   Consump/on   • Billed  Unmetered  Consump/on   Consump/on   • Unbilled   • Unbilled  Metered  Consump/on   Authorized   Consump/on   • Unbilled  Unmetered  Consump/on   • System   Input   • Unauthorized  Consump/on   Volume   (corrected   • Apparent   • Customer  Metering  Inaccuracies   for  known   Losses   • Non-­‐ errors)   • Data  Handling  Errors   Revenue   Water  (NRW)   • Water  Losses   • Leakage  on  Transmission  and   Distribu/on  Mains   • Real  Losses   • Leakage  and  Overflows  at  U/litys   Storage  Tanks   • Leakage  on  Service  Connec/ons  up   to  point  of  Customer  metering   Page 21San  Antonio:  A  Conserva/on  Success  Story  
    • February  26,  2013   The  Keys  to  Conserva/on  Success   •  Treat  water  conserva/on  as  a  supply   •  Every  customer  can  be  part  of  the  solu/on   •  Analyze  trends  in  usage,  water  losses,  and  program   impact  every  year     Page 22San  Antonio:  A  Conserva/on  Success  Story  
    • February  26,  2013  History  of  San  Antonio  Conserva/on     May Nov Jun Nov1991 1992 1993 1994 1994 1996 1997 SAWS adopts its first SAWS holds the first WaterSaver Conservation and Reuse Plan. Awards, recognizing local companies who have taken a leadership role inSierra Club files a lawsuit against the water conservation efforts.Department of Interior alleging violationsof the Endangered Species Act at SanMarcos and Comal Springs. City Council approves a residential water rate structure that encourages SAWS Community Conservation conservation and establishes dedicated Committee (CCC) is established. This funding for water conservation programs. advisory group provides staff and the San Antonio City Council creates the San Antonio Board of Trustees with citizen feedback Water System through consolidation of the City on conservation policies and programs. Water Board, the City Wastewater Department, and the Alamo Water Conservation and Reuse SAWS institutes its first direct District. program: Plumbers to People. This program provides leak repair Conservation department strategically located in services to low-income households. the Planning and Water Resources department to emphasize water conservation as a viable method of addressing water resource challenges. Page 23San  Antonio:  A  Conserva/on  Success  Story  
    • February  26,  2013  History  of  San  Antonio  Conserva/on   Jan Mar Oct Jan Dec Jan1998 1998 1998 2001 2001 2002 SAWS per capita consumption drops to 143 SAWS Board of Trustees approves gallons per person per day. the first Water Resource Plan, titledSan Antonio City Council approves “Securing our Water Futurea fee on all commercial water Together.” This plan identifiedaccounts in support of commercial methods for meeting future water With input from Region L and regionalconservation programs. needs through diversification of our planning groups throughout the state, water resources. TWDB adopts the first state water plan. In this plan, the San Antonio region is the only area in the state that adopts “advanced conservation” as a significant resource option. Texas Water Development Board (TWDB) appoints SAWS representative to the South Central Texas Water use reduction goals established in Regional Water Planning Group (Region L). Region the 1993 Conservation and Reuse Plan for L is one of 16 regional planning groups in Texas, 2008 are achieved a full 7 years in advance. tasked with the development of a 50-year water plan for inclusion in the state water plan. Page 24San  Antonio:  A  Conserva/on  Success  Story  
    • February  26,  2013  History  of  San  Antonio  Conserva/on   August Jan2005 2005 2006 2007 2008 2009 Mission Verde – City ordinance requirement SAWS celebrates the 10th for WaterSaver fixtures in new construction. anniversary of the Community This will require HET toilets, efficientSan Antonio City Council approves Conservation Committee. faucets, showerheads and urinals in all newa comprehensive water construction starting 2010. Also limits totalconservation ordinance with the full size of irrigation for residential and requiressupport of all stakeholders affected annual irrigation maintenance checks onby the provisions, including large properties or those that use over onehomeowners, the irrigation industry, San Antonio City Council approves updates million gallons of water for irrigation.and developers. to the drought management provisions of the water conservation ordinance. SAWS Board of Trustees approves an updated Water Resource Plan that establishes even more aggressive water use reduction goals: SAWS will reduce normal-year per capita consumption to 116 gallons per person per day by 2016. Page 25San  Antonio:  A  Conserva/on  Success  Story  
    • San  Antonio:  A  Conserva/on   Success  Story  Karen  Guz  Director  /  Conserva/on     February  26,  2013   Central  Texas  Water  Conserva/on  Symposium