PFAS consulting in Colorado

Global consultancy with one of the most-cited PFAS practices in industry. AFFF impact investigation, foam fractionation R&D, and litigation-support technical work.

Water-utility-focused PFAS and treatment specialty consultancy. UCMR sampling, treatment evaluation, source water assessments, and SDWA compliance planning.

PFAS-treatment-specialty consultancy founded by ex-Hazen and Sawyer PFAS leaders. UCMR support, treatment evaluation, and regulatory compliance planning for water utilities nationwide.

Employee-owned engineering and environmental consulting firm with a dedicated PFAS practice; particularly active on Minnesota industrial and municipal PFAS sites including 3M-area work and treatment s...

Employee-owned environmental engineering firm specializing in water and wastewater. PFAS treatability studies and full-scale design for U.S. utilities.

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...

Privately-held engineering firm with a deep municipal water practice. PFAS treatment evaluations, GAC and IX pilot studies, EC-SDC grant application support.

Environmental engineering and applied science firm widely recognized as a PFAS R&D thought leader. Leading work on in-situ treatment, colloidal activated carbon, and AFFF site characterization.

Water-focused engineering firm known nationally for PFAS treatment research and design. Led pilot work on GAC, IX, and RO for major utilities including OCWD and NYC DEP.

Employee-owned A/E firm with a national water practice that has designed PFAS treatment systems (GAC, IX, RO) for multiple U.S. utilities. Active in UCMR-5 sampling support and EPA MCL compliance plan...

Global testing, inspection, and certification firm. PFAS analytical services across drinking water, wastewater, soil, and food packaging matrices.

Water engineering firm with offices in Grand Forks, Fargo, Bismarck, Minot and Williston ND, three South Dakota cities and four Montana cities. Offers PFAS sampling plans, treatment feasibility studie...

Environmental science and engineering firm specializing in sediment and water resources with growing PFAS practice covering site investigation, fate-and-transport modeling, and remedial design for PFA...

International environmental consultancy with a U.S. PFAS practice covering source investigations, ESA due diligence, regulatory navigation, and treatability evaluations. Active across MN-based industr...

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...

Largest U.S. firm exclusively dedicated to water/wastewater engineering. Significant PFAS pilot and design work for California and Western U.S. utilities.

Albuquerque-based hydrogeology and environmental firm, a subsidiary of Geo-Logic Associates. Contracted by the New Mexico Environment Department to define PFAS impacts to groundwater and surface water...

Employee-owned environmental consulting and engineering firm. PFAS UCMR sampling support, AFFF site investigation, and compliance planning for water systems and DOD clients.

Texas-headquartered engineering firm with a major municipal water practice supporting PFAS treatment evaluations, pilot studies, and MCL compliance planning for Texas and Southeast utilities.

Multi-discipline engineering firm with a strong water practice supporting PFAS treatment design (GAC/IX), UCMR-5 sampling, and MCL compliance planning for utilities across the South Central and Southe...

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.

Federal services contractor with major DoD environmental remediation portfolio including PFAS investigation, remedial action, and AFFF transition support at Air Force, Navy, and Army installations. Ho...

Employee-owned engineering and design firm with municipal water practice supporting UCMR-5 sampling, PFAS treatment planning, and MCL compliance for community water systems across the Midwest and Moun...

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 ...

Employee-owned environmental and engineering firm with a dedicated PFAS practice covering source investigations, fate and transport modeling, treatability studies, and ITRC-guidance-aligned site chara...

EHS consulting firm offering PFAS regulatory compliance, TSCA reporting (PFAS Section 8(a)(7)), air emissions assessment, and ITRC-guidance support. Major presence across TX, FL, and the Southeast.

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.