Los Angeles, California

Rewriting the Rules of Wastewater Treatment and Uncovering Big Savings

Process Innovation Could Yield Potable Reuse Program Significant Cost Savings

Reclaiming the Past: Expanding Beverly Hills' Water Supply through Historical Infrastructure

Microfiltration Advances Reliability at Los Angeles Water Recycling Plant

Managing Salts for Multiple Reuse Goals? Hazen Has a Tool for That

Delivering High-Quality PFAS Treatment Under Tight Deadlines

Lower Santa Margarita (CA) Water Supply Reliability Pilot

Facility Improvements for South Orange County Wastewater Authority

Innovative Hybrid Nanofiltration System Provides Reliable Water Supply While Maximizing Plant Recovery

Operations Support for West Basin Municipal Water District

Expansion of Juanita Millender-McDonald Carson Regional Water Recycling Facility

Operations Support and Groundwater Reverse Osmosis Treatment Plant Optimization in Beverly Hills

Rebekah Eggers Joins Hazen as Vice President

Join Hazen Experts at WateReuse CA 2026

Advanced Treatment Provides Valuable Local Water Supply

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

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

The Water Reuse Industry Needs More People

Hazen to Develop the Nation’s First Advanced Water Treatment Textbook for Operators

Join Hazen Experts at WateReuse CA 2025

Nicole Blute and Jim DeWolfe Receive 2025 George Warren Fuller Awards

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

Join Hazen Experts at the 2025 Membrane Technology Conference

LA's New River