Company intelligence
Hazen and Sawyer
75 years and counting of collaboration, innovation, and commitment to supporting client and community water needs
About Hazen and Sawyer
As Hazen marks 75 years, we celebrate a legacy of absolute commitment to our clients while delivering the best technical work available anywhere. By fostering a culture rich with collaboration, opportunity, and support, we've retained a small-firm feel even as we've expanded to be the water industry's largest firm solely devoted to all things water. Our focus on water prepares us to handle the exceptional challenges facing the industry: adapting to new regulations and changes in supply or demand; targeting stretched budgets for optimal ROI; developing resilience to drought, floods, severe storms, and wildfires; charting a course into the digital age; and much, much more. Our focus on water also makes us home to many of the world’s top water experts and rising talents, each seeking a challenging and rewarding career while making an important contribution to the communities in which we work. If you have a water challenge, Hazen and Sawyer has your solution. Visit our website to view a full list of all Hazen office locations across the country and around the world.
Verified activity
Signals from Hazen and Sawyer
14 published signals
Presence & Recognition
Hazen and Sawyer co-presented with the City of Baltimore staff at the Tri-Association Conference in Ocean City, MD on program management of water main replacements and the City's mileage replacement goal.
Reported by Muhammad Tak, CC-P
Presence & Recognition
Hazen and Sawyer participated in the 2026 WateReuse California Annual Conference, fostering conversations on topics such as membrane filtration optimization, chloramination disinfection conversion, and risk-based frameworks for potable reuse programs.
Reported by Hazen and Sawyer
Research & Knowledge
Hazen and Sawyer colleagues Mohammad Abu-Orf, Ph.D., Micah Blate, PEKamruzzaman Khan, Ph.D., and Ralph Muvhiiwa presented results of the WRF 5107 project, which was the first to produce PFAS data from an actual operational gasification system at a wastewater site.
Reported by Ralph Muvhiiwa
Research & Knowledge
Hazen and Sawyer colleagues Mohammad Abu-Orf, Ph.D., Micah Blate, PEKamruzzaman Khan, Ph.D., and Ralph Muvhiiwa discussed the net positive energy balance resulting from the operating conditions of the system and inherent energy value of the solids.
Reported by Ralph Muvhiiwa
Presence & Recognition
Hazen and Sawyer attended WateReuse California and saw members of the Hazen team lead discussions, share lessons learned from projects around the country, and contribute to important conversations about the future of potable reuse.
Reported by Troy Walker
Products & Services
Hazen and Sawyer helped El Paso Water design the upgrade and expansion of an existing 1990s treatment plant to achieve stable effluent quality and meet multiple treatment goals into the future.
Reported by Hazen and Sawyer
Presence & Recognition
Hazen and Sawyer representatives are attending college career fairs nationwide over the upcoming weeks to talk about exciting opportunities to get involved in all things water.
Reported by Hazen and Sawyer
People
Hazen and Sawyer is hiring for full-time entry-level roles and internships at many of its offices across the country.
Reported by Hazen and Sawyer
Strategy & Corporate Development
Hazen and Sawyer has been operating for 75 years and continues to grow as a Top Provider for All Things Water.
Reported by Jeremy Johnson
People
Hazen and Sawyer produced many great water/wastewater engineers through its Internship program.
Reported by Jeremy Johnson
Partnerships
Hazen and Sawyer was recently selected to collaborate on a project for UK Water Industry Research (UKWIR) on Understanding the Carbon Impact of Tackling Substances of Emerging Concern.
Reported by Hazen and Sawyer
Partnerships
Hazen and Sawyer is collaborating on a project to develop sustainable approaches to tackle substances of emerging concern in water treatment while minimising greenhouse gas emissions.
Reported by Ralph Muvhiiwa
People
Hazen and Sawyer is hiring an Entry Level Engineer for the Rochester team in Upstate New York.
Reported by Alexandria King, PE, CDT
People
Hazen and Sawyer is hiring a Mid-Level Engineer for the Rochester team in Upstate New York.
Reported by Alexandria King, PE, CDT