Water Sector Presentation II for ABAG Interdependencies Workshop I Steve Dennis Alameda County Water District January 31, 2012

103 Sq. Mile Service Area Serving Fremont, Newark, & Union City Approx. 330,000 population 50 mgd average production –range of demand approx. 30 mgd to 75 mgd 3 sources of supply –Groundwater (30 %) –California State Water Project (50%) –SFPUC / Hetch Hetchy (20%) ACWD Service Area and Supply

ACWD Service Area and Hayward Fault Location

Max Credible Event: Our 2008 Seismic Vulnerability Study ACWD can expect: –1,500 to 2,000 pipeline failures leading to… –System “bleed-out” in as little as six hours 250,000 residents without water –Loss of surface water supply sources (SWP and SFPUC) Production facilities shutdown –Groundwater supply interruption due to power supply loss Our primary focus will be to: –Repair our system (taking weeks to months)

Regional and Statewide Water Sector Collaboration Tangible successes to date –CalWARN Agreement Mutual Aid amongst water & wastewater agencies Annual exercises on sharing resources –B.A.E.S.I.C. SF Bay Area large water agencies working together Key contacts communication directory Potable Water Procurement Guidance –Adopted by Cal EMA More important efforts underway (Ed’s talk)

Common Mission, Common Risks, Common Needs in Recovery Common Mission, Common Risks, Common Needs in Recovery Our Mission: …to provide a reliable supply of high quality drinking water at a reasonable cost… Regionally, a catastrophic seismic event will affect ALL water utilities with: –Failed pipelines –Interrupted sources of supply –Damaged production facilities –Ultimately… DENIAL OF SERVICE And to recover, we will ALL need: –The ability to communicate –Key resources: People, Equipment, Power, Fuel –Clear access to affect repairs

Forward Advance Down the Long and Winding Road… Forward Advance Down the Long and Winding Road… The Bay Area Water Sector “Bus” is running strong and will continue to edge forward However… Successfully maneuvering the rough stretches can only be done in “caravan” style

The Bottom Line Restoration of water service after disaster will take much longer without effective working partnerships and coordinated preparedness with our interdependent service providers Remember: Water is Life

Steve Dennis – Alameda County Water District Steve Dennis – Alameda County Water District Health and Safety /Emergency Services Supervisor Health and Safety /Emergency Services Supervisor –Daytime:(510) –Mobile:(510) Water Sector Presentation II for ABAG Interdependencies Workshop I