Page 239 - _ 180314 Special Yucaipa GSA Packet
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Mark Williams, PhD, PE
Technical QA/QC Lead / Optional SCADA/Telemetry Systems
For more than 20 years, Mark has focused on municipal
water quality. Mark has served in various capacities in
Years of Experience: 20 numerous studies focusing on water quality investigations
and oversees the Quality Assurance procedures
Years with GEOSCIENCE: 5 and practices for all of GEOSCIENCE’s water quality
investigations. Mark served as an Engineer for eight years
Education: in the Water Quality Division of the Metropolitan Water
BS, Geology, University of Colorado, Boulder District of Southern California, where he was involved
in Metropolitan’s Desalination Research Innovation
MS, Civil Engineering, University of Southern Partnership to manage inland desalination, and worked
California on a range of water quality projects including studies on
nitrates, NDMA, perchlorate, and bromate in municipal
PHD, Civil Engineering, University of California water supplies.
Professional Registrations: Marks experience in SCADA and telemetry systems can
California Professional Civil Engineer (No. help develop a system that minimizes costs and improves
reliability and accuracy.
68138)
Selected Project Experience
San Bernardino Valley Municipal Water District: Impacts of
What Mark brings to the project... Imported Water on Basin Objectives
Mark established the impact of recharging east-branch
• SCADA and Telemetry System expertise— State Project water on salinity basin objectives in the San
help provide accurate data while reducing costs Bernardino area.
• Research & Development and process design— Rancho California Water District: VDC Recharge Basin Pilot
help trouble-shoot and identify solutions Testing
Mark helped RCWD complete recharge facility pilot testing
• Quality Assurance/Quality Control focus— to comply with health department permits. He conducted
receive a quality project minimizing re-work and tracer testing and virus removal testing to determine
potential change-orders ground water residence times and log-removal credit for
artificial recharge basins.
• Daily interaction with staff on all projects—help
keep project schedule and budget on-track Rancho California Water District: Lower VDC Recharge Test
Plan
Mark helped develop a preliminary test plant for recycled
water recharge in the lower VDC area. He also developed
tracer testing procedures to establish horizontal and vertical
ground water travel times.
Metropolitan Water District: Seasonal Water Quality Effects
20+ of State Project Water on disinfection By-Products
Mark evaluated the seasonal effects of water quality on
Water quality publications forming chlorine by-products in organics in east-branch
state project water and Colorado River Water imported
and studies authored by Mark water supplies.
including studies on salt and Shallow Ground Water Quality in the Vicinity of Mills
nitrate in groundwater Treatment Plant
Mark provided technical support and expert opinion
20+ nearby septic tanks based on levels of endocrine disrupting
in litigation on shallow groundwater and impacts from
compounds found in groundwater.
Years of experience
Yucaipa Groundwater Sustainability Agency - March 14, 2018 - Page 211 of 226
