San Bernardino & Riverside Counties Branch
Established in 1953-Los Angeles Section, Region 9


2013-2014 Stormwater Committee

Bill Flores, P.E., CPESC, CPSWQ, QSD/P, ToRGuillermo (Bill) Flores Jr., P.E., CPESC, CPSWQ, QSD/P, ToR

HDR Engineering, Inc.
(951) 320-7311 Direct
(951) 533-9435 Cell

Bill Flores is a Senior Project Manager for HDR Engineering, Inc. (Riverside office), a national civil engineering consulting company. He is the 2010-2012 ASCE LA Section Vice President of Technical Groups and was President of this Branch for two years. Bill is responsible for projects involving Project Management, and Drainage and Water Quality activities in Southern California. Bill is a Registered Civil Engineer in California and holds a Bachelor of Science degree in Civil Engineering from Cal Poly, Pomona. He is involved with Fundraising for the American Heart Association and is a volunteer at the San Bernardino County Museum.




Arlene B. Chun, MSCE, P.E.
Riverside County Flood Control & Water Conservation District
1995 Market Street, Riverside, CA 92501
(951) 955-1200

Arlene is currently the County’s NPDES Water Quality Monitoring Program Manager. Prior to joining the District in 1999, Arlene was a Research Associate with the Water Resources Research Center (WRRC) at the University of Hawaii at Manoa, where she earned a Master of Science degree in Civil and Environmental Engineering. Outside of NPDES and ASCE, Arlene is a staff musician at St. Theresa Palm Springs and is an active volunteer at the Palm Springs Air Museum.



Cynthia Gabaldon, P.E., CPSWQ, CPESC, QSD/P, ToR
URS Corporation

Cynthia is currently is a Senior Project Engineer at Ontario URS Corporation office. She is the Environmental Compliance Group Manager with projects focusing all aspects of environmental permitting and engineering design. She is a Cal Poly Pomona graduate in Civil Engineering, where she was an active member of the ASCE. Over the years, she has volunteered in various ways at Cal Poly and with ASCE. Currently, she is also a mentor within the Chapter's Mentoring Group. Outside of work, she and her family spend time dirtbike riding and camping.



Neil Nilchian, PENeil Nilchian, P.E.
Engineering Project Manager/Recovery Manager
Former Riverside County Transportation Department


            • Member of the Stormwater Committee, 2008-Present
            • Member of the Report Card, Transportation Committee, 2008-2011
            • Mentorship Committee co-Chair 2008-2010
            • Engineer of the Year in Government, 2010

ASCE-LA Section:

  • Mentoring Chairman
  • Member of Safety Assessment Program/Certified Trainer by the Governor's Office of Emergency Management Agency, 2008-Present.

Mr. Neil Nilchian worked for the County of Riverside for about 25 years. He first began his county employment with the Department of Building and Safety where he was in charge of a Satellite Office-Grading Section. At the Grading Section, he promoted erosion prevention and effective storm run-off management long before the industry came up with “Best Management Practices”. Later on, he joined the Riverside County Transportation Department and worked his way up to an Engineering Project Manager for different Capital Improvement Projects. He received a Bachelor of Science in Civil Engineering from the California State University, Los Angeles. He has been an active member of ASCE for over 27 years.


Roy King (Caltrans)
(909) 383-4555

Roy H. King (MS,PE) received a Bachelor of Science in Civil Engineering from the University of Wyoming in 1966, and a Master of Science in Water Resources Engineering from California State University, Fullerton in 1980. Mr. King has been with the California Department of Transportation in the Hydraulics Division since 1989, after spending the first twenty years of his career in the private sector. His article and original derivation, "The Three-Point Resection: an Alternate Approach" was published in the April 1983 edtion of Civil Engineering magazine. Mr. King and his wife Sally recently celebrated their 40th Anniversary. They have one daughter, Kerry Charles.






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