Your web browser is out of date. Update your browser for more security, speed and the best experience on this site.

Update your browser

all things water®

Contact Us

498 Seventh Ave, 11th Floor
New York, NY 10018

(212) 539-7000

Fred Gerringer D.Env, PE, BCEE

Senior Associate

Fred Gerringer D.Env, PE, BCEE

Fred serves as Hazen’s West Region Water Reuse Practice Leader. He has managed projects at all stages of development and has extensive experience leading applied research projects in areas such as direct potable reuse and soil aquifer treatment that have benefited the potable reuse industry. Fred’s proficiency in advanced treatment processes includes membrane filtration, reverse osmosis, and ozonation.

Areas of Expertise
Water recycling and reuse
Drinking water treatment
Wastewater treatment
Process design
Regulatory compliance
Ozone disinfection and oxidation
Membranes
UV disinfection and advanced oxidation
Professional Activities
American Water Works Association (AWWA)
Water Environment Federation (WEF)
International Ozone Association (IOA)
Education
D.Env, Environmental Science and Engineering, University of California at Los Angeles
MS, Civil and Environmental Engineering, University of California at Los Angeles
BS, Civil and Environmental Engineering, University of California at Berkeley
Certification/License
Professional Engineer (PE)
Board Certified Environmental Engineer (BCEE)