Cali,

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

A Progressive Design-Build Journey Toward a PFAS-Compliant Water Treatment Plant

From Tough Conversations to Unexpected Collaborations

The Path to PFAS Destruction in Wastewater

Rebuilding Pipes, Rebuilding Trust

Aqua Strategies Joins Hazen and Sawyer

Join Hazen Experts at the 2025 WateReuse Symposium

Nanofiltration Could Be Much Better at Tackling Heavy Organics Than We Thought

“A Major Finding” For Biosolids: Gasification Removes All Detectable PFAS from Finished Solids

Join Hazen Experts at the 2025 Utility Management Conference

Join Hazen Experts at the 2025 Membrane Technology Conference

Passaic Valley Sewerage Commission Automates Wastewater Management Workflow with ArcGIS Notebooks

Join Hazen Experts at WQTC 2024

Hazen and Sawyer Acquires WaterSMART Solutions to Enhance and Expand Operations in North America and Globally

A Look Inside Maryland’s New Bioenergy Facility

Jefferson County, Alabama Released from Sewer System Consent Decree