Oklahoma City, Oklahoma

Transforming Asset Lifecycle Management Through Data Integration and Business Intelligence

Facing the Future: Resilient Broward Addresses Climate Change Impacts Head-On

Future-Ready Transformation: Building a Fresh Start for the James E. Quarles Water Treatment Plant

Redeveloping a Historic Water Treatment Plant for the 21st Century

Forward-Looking Research Aims to Test the Limits of Water Recovery

New Regional Facility Enables Present and Future Wastewater Needs

Nashville's New Headworks Facility Merges Innovative Treatment with Neighborhood Connection

Seeking Consensus, Making History

Navigating the New Landscape of Biosolids Management

Electrochemical Oxidation Pilot Study Explores New Frontiers for PFAS Destruction

Community, Conservation, and Clearer Water

Rewriting the Rules of Wastewater Treatment and Uncovering Big Savings

Kim Sturgess to Serve as Special Advisor at Hazen

Hazen’s Carlyn Higgins Receives 2026 WateReuse Association Up and Comer Award

Join Hazen Experts at the 2026 Utility Management Conference

Rebekah Eggers Joins Hazen as Vice President

Join Hazen Experts at WateReuse CA 2026

Hazen Leading WateReuse Arizona Webcast on RO Concentrate (Brine) Management Technologies

Advanced Treatment Provides Valuable Local Water Supply

Join Hazen Experts at the 2026 Membrane Technology Conference

A Lasting Peace in the Water Wars: Modeling a Shared Future for the ACF Basin

Water Quality & Treatment Solutions, Inc. Joins Hazen and Sawyer

John W. Fortin Joins Hazen as Senior Associate

Hazen Supporting the Development of a New Water Reuse Regulatory Guide for States