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all things water®

Contact Us

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

(212) 539-7000

Stephanie Ishii PhD, PE, ENV SP

Senior Associate

Stephanie Ishii PhD, PE, ENV SP

Stephanie is Hazen’s Director of Integrated Resource Technologies and a regional leader for the firm's Water Reuse Practice and Sustainability Services groups. Stephanie specializes in evaluations of water supply, water/wastewater treatment, and effluent management options using multi-criteria decision analysis to incorporate economic, environmental, and community criteria into the decision-making process.

Areas of Expertise
Water reuse
Water treatment and quality
Bench/pilot testing
Greenhouse gas assessment, lifecycle assessment
Decision theory
Regulatory engagement
Professional Activities
American Water Works Association (AWWA)
WateReuse Association
PhD, Environmental Engineering, University of Florida
ME, Environmental Engineering, University of Florida,
BS, Environmental Engineering, University of Florida,
Professional Engineer (PE)
Envision Sustainability Professional (ENV SP)