1. Advanced Technologies in Real-Time Monitoring and Modeling for Drinking Water Safety and Security June 27-28, 2002 Ron Hunsinger Manager of Water Quality Oakland, California

2. www.ebmud.com East Bay Municipal Utility District EBMUD supplies water to 1.3 million people in the East Bay area (San Francisco Bay) in California 90% of water supply is from Sierra Nevada Mountains 10% is from local watersheds EBMUD owns and manages: 55,000 acres of watershed, 7 reservoirs, 6 treatment plants, 122 pressure zones (sea level – 1,450 ft), and 3,900 miles of distribution pipe

3. www.ebmud.com

4. Utility Safety Concerns Physical Contamination Cyber

5. www.ebmud.com Current Monitoring Designed to meet regulatory and operational needs Source, Treatment & Distribution On-line and Grab Samples Current Model Hydraulic

6. www.ebmud.com “One of the most challenging feats for those responsible for the public health is the interpretation of information in real time with inadequate or incomplete data.” Dr. Marcelle Layton, Head of Communicable Diseases from the New York City Bureau of Communicable Diseases (NYCDOH)

7. www.ebmud.com Model Needs Water Quality Model including properties of probable agents Fast

8. www.ebmud.com Sensor Needs Address contaminants of concern Reliable!

9. www.ebmud.com AWWRF Book “On-Line Monitoring for Drinking Water Utilities”

10. www.ebmud.com ISO Performance Characteristics Response time Day-to-day repeatability Linearity Coefficient of variation Limit of detection Limit of quantitation Memory effects Repeatability Lowest detectable change Trueness Short & long-term drift Interference Ruggedness Availability Up-time

11. www.ebmud.com Implementation Issues Sampling System Data Collection and Use Training Integration Location Maintenance Quality Assurance

12. www.ebmud.com Cost/Benefit Cost Capital/Operating Costs Benefits Ability to produce consistent high quality water Better use of personnel Early warning of problems Automatic report generation Chemical savings

13. www.ebmud.com AWWARF Resources Design of Early Warning and Predictive Source-Water Monitoring Systems [#2527] Contractor: Walter Grayman Consulting Engineer and University of Michigan On-line Monitoring for Drinking Water Utilities [#2545] Contractor: AWWA Research Foundation and CRS PROAQUA Practical Application of On-Line Monitoring [#2516] Contractor: McGuire Environmental Consultants, Inc. Innovative Systems for Early Warning Water Monitoring [#2779] Contractor: Kiwa N.V.

14. www.ebmud.com AWWARF Resources (Cont’d) Advancement Of Early Warning System Technologies – Phase 1 (RFP 2852) Contractor: To be selected (Proposals due July 15, 2002, RFP available at www.awwarf.com) Inventory and Assess Analytic Capabilities of Existing Monitoring Technologies for Use as Early Warning/Real-Time Systems Technologies Contractor: To be determined Extraction Methods for Early/Real-time Warning Systems for Biological Agents Contractor: To be determined