PFAS-credentialed site assessment & remediation that serve Connecticut. Listings include both firms headquartered in Connecticut and out-of-state firms with active Connecticut project coverage. See the Connecticut compliance page for contamination data and regulatory deadlines that drive this work.
Hartford, Connecticut engineering firm with offices in New Haven and Providence. PFAS work includes the Eastern Connecticut Fire School AFFF investigation and a PFAS wastewater sampling protocol for a...
Mid-size U.S. environmental consulting and engineering firm with PFAS site investigation, treatment design, and compliance practices across the Northeast and Midwest.
Employee-owned engineering and construction firm with PFAS treatment design, AFFF replacement programs at airports and military bases, and PFAS destruction technology evaluation. Active prime on DoD A...
Largest hazardous waste management firm in North America with dedicated PFAS services including AFFF collection, transport, and disposal at incineration facilities. Provides emergency response for PFA...
Self-performing remediation contractor with significant AFFF/PFAS site experience at DoD installations and Superfund sites. Provides soil excavation, dewatering, and on-site treatment systems for PFAS...
National environmental and water resources consultant with PFAS site assessment, soil/groundwater remediation, and treatment system design services. Provides PFAS compliance support for industrial cli...
Lincoln, Rhode Island engineering firm with a Hartford, Connecticut office. Engineer for Plainville, Massachusetts' $26.3M PFAS water treatment plant and operates PFAS groundwater remediation using ac...
Northeast-focused geotechnical and environmental firm with established PFAS practice covering Massachusetts MCP and New Hampshire/Vermont/Maine state PFAS programs. Performs site investigation, remedi...
Environmental and geotechnical consultancy with a dedicated PFAS practice. Offices include Wethersfield CT, Portland OR and Honolulu HI.
Global engineering and EPC firm with PFAS treatment design, site investigation, and regulatory advisory work across federal and municipal sectors.
East Coast engineering and environmental firm. PFAS site investigation and remediation work across Pennsylvania, New Jersey, and New York.
Environmental and management consulting firm with a heavy New Jersey and New York footprint. Significant PFAS site characterization and litigation-support work.
New Hampshire-based environmental engineering firm with active PFAS site characterization and remedial design work across New England. Provides PFAS treatment evaluation, groundwater modeling, and reg...
Employee-owned national geotechnical and environmental consulting firm with PFAS site assessment, Phase II investigation, and remedial design services. Active across DoD, industrial, and airport PFAS ...
Engineering and operations firm with offices in Providence RI, Middletown CT, Tampa FL, Duluth GA, St. Charles MO and three Montana cities. Designed and built the University of Rhode Island's interim ...
WSP acquired Wood's E&IS practice in 2022. Global PFAS investigation, AFFF site work, and treatment evaluation capabilities across federal and private-sector clients.
37 Connecticut water systems tested above the EPA limit for PFOA or PFOS, 29 of them on average. The Connecticut market brief (PDF plus a workbook with operator contacts) is a one-time $149 download. See a sample →