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all things water®

Contact Us

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

(212) 539-7000

Melanie Mann, PE

Associate Vice President

Melanie Mann, PE

Melanie is Hazen’s Disinfection Group Leader and an expert in the evaluation, planning, detailed design, and optimization of ultraviolet (UV) disinfection facilities and in evaluations of alternate disinfectants, including sodium hypochlorite in bulk and on-site generation. She serves on WEF’s Disinfection and Public Health Committee and Program Committee, and serves on the committee developing an AWWA Standard for UV Disinfection Systems for Wastewater. At Hazen, Melanie has served as the project manager, project engineer, and technical reviewer for many studies, upgrades, and expansions of water and wastewater treatment plants.

Areas of Expertise
• UV disinfection
• Chemical disinfection
• Water reuse
• Chemical storage and feed systems
• Filtration
• Sedimentation
• Residuals handling facilities
• Hydraulic analysis and design
• Pump station design
• Process control
Professional Activities
Water Environment Foundation (WEF)
International Ultraviolet Association (IUVA)
International Ozone Association (IOA)
WateReuse Association
American Water Works Association (AWWA
MCE, North Carolina State University
BSCE, North Carolina State University
Professional Engineer