Hazen and Sawyer
all things water
About the firm
Hazen and Sawyer is a water and environmental engineering firm with more than 75 years of experience delivering solutions across drinking water treatment, wastewater, water reuse, and water resources. It serves utilities, municipalities, and public agencies with a focus on water quality, water supply, and public health protection. With more than 2,400 employees across 90+ offices nationwide, Hazen and Sawyer applies advanced treatment technologies, data analytics, and strategic planning to address complex water challenges facing communities, including PFAS treatment, potable reuse, nutrient removal, biosolids management, and climate resilience.
- Team
- Enterprise
- Firm type
- Water / Wastewater Engineering · Environmental Engineering
Capabilities
Drinking Water
- Treatment Plant Design And Optimization
- Regulatory Compliance
- PFAS Treatment
- Advanced Water Treatment
- Potable Reuse Planning For Water Utilities
Wastewater
- Wastewater Treatment Facility Design
- Nutrient Removal
- Biosolids Management
- Infrastructure Rehabilitation For Municipal Utilities
Water Reuse
- Indirect And Direct Potable Reuse Program Development
- Recycled Water Planning
- Regulatory Support For Water Agencies
Water Resources
- Stormwater Management
- Water Resource Planning
- Watershed Protection Services
Industries
Water Supply · Wastewater · Water Resources · Environmental & Remediation · Government
Projects
No projects listed yet.