Hazen & Sawyer
City-funded organization
Hazen and Sawyer is an employee-owned environmental engineering firm founded in 1951 that specializes exclusively in water and wastewater infrastructure; its NYC practice holds $648 million in active contracts as of August 2026 with the Department of Environmental Protection covering design and construction management of projects including Gowanus Canal CSO abatement, Hillview Reservoir chemical-addition facilities, and Ashokan Reservoir headworks rehabilitation.
- Industry (per city contracts)
- Professional Services
- City contracts (active)
- $647,712,589 · 39 contracts
- Awarded all-time
- $1,215,385,187 · 98 since 1995, incl. expired
- Paid to date
- $767,021,366
- Won without a fresh bid
- 24% of contract value · $295,955,237 · 25 contracts
Holds contracts at
- Department of Environmental Protection City agency
City contracts
Registered city contracts, largest first by current contract value (not amount spent): running now, then registered to start later, then ended. Totals count every registered contract. Each line shows its Checkbook contract ID. The tag on each row is how it was awarded (“no-bid” = non-competitive).
- Combined Sewer Overflow Abatement Facility for Gowanus Canal Department of Environmental Protection · CT182620161426659 $78,625,598
- OH-812 Reconstruction of Main Pump System OH WRRF Department of Environmental Protection · CT182620268808893 $72,616,879
- Design & DSDC of Hillview Reservoir Chemical Addition Fac Department of Environmental Protection · CT182620171419278 $66,020,900
- CM Services for Jamaica WPCP Phase II Constr.:Cont. JA-2 Department of Environmental Protection · CT182620050024060 $32,505,188
- Design for Reconst of Ashokan Reserv Headworks Fac Department of Environmental Protection · CT182620181413148 $31,635,771
- Dsgn and DSDC for Modif Cat UEC and Const estview chamber Department of Environmental Protection · CT182620191424422 $28,182,728
- Resiliency Design and Design Services During Construction Department of Environmental Protection · CT182620161423916 $26,424,582
- NR-129-DES Department of Environmental Protection · CT182620248806178 $25,927,938
- Eng svs for desgn enhan for cat and del wat supply treatment Department of Environmental Protection · CT182620181412692 $22,119,448
- On-Call Design & DSDC various BWT locations, South Region Department of Environmental Protection · CT182620248808725 $20,000,000