Proven Water Treatment for Complex Contaminants
Onterris helps clients move complex water challenges toward clearer, more reliable outcomes. We design, validate and deploy treatment technologies that perform under real operating conditions, giving teams greater confidence in compliance, continuity and long-term performance. Built for PFAS and other hard-to-treat contaminants, our approach connects science, engineering and delivery in one integrated offer.
PFAS treatment works best when data, deployment and long-term stewardship are planned together. Onterris combines advanced PFAS analysis, site-specific treatment evaluation, modular deployment and patented treatment innovation to help clients reduce risk and move faster with confidence.
Clarity for one of the most persistent environmental challenges
PFAS treatment is rarely one-size-fits-all. Onterris combines testing, treatment expertise and proven technologies to address complex water chemistry, site constraints and evolving requirements, helping you reduce uncertainty, select the right approach and achieve reliable, long-term performance.
1,4-Dioxane and Specialty VOC Treatment
Targeted treatment technologies for dissolved contaminants that conventional systems often struggle to manage effectively.
Industrial VOC Treatment
Advanced abatement systems for vapor-phase and process-related VOC challenges where control and reliability matter.
Rapid Deployment Treatment Systems
Flexible delivery through permanent systems or rental agreements to help clients respond quickly and scale treatment as needs evolve.
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Onterris Milestones
24
R&D patents in water treatment, PFAS and Selenium removal
17B
Gallons of PFAS-impacted water treated
350+
Treatment systems installed since 2016
Meet Our PFAS Experts
Dave is a licensed engineer with over 20 years of experience in water treatment and environmental remediation. Dave focuses on the use of novel technologies for the removal of emerging contaminants such as PFAS and carcinogenic volatile organics from the environment.
Steve Woodard, Ph.D., P.E., brings over 33 years of experience in water and wastewater treatment to the team where he works as Chief Innovation Officer. Currently focused on commercializing synthetic media technology targeting PFAS, 1,4-dioxane, specialty VOCs, and other emerging contaminants.
Dr. Erika Houtz is Director of Applied Technology at Onterris Treatment Technologies, where she specializes in the design and optimization of targeted treatment solutions for per- and polyfluoroalkyl substances (PFAS).
With a strong background in advanced water treatment technologies, Dr. Marks specializes in applications and process engineering for treatment technologies such as foam fractionation, regenerable ion exchange (IX) media, catalytic redox, and advanced oxidation, with a particular focus on PFAS and other emerging contaminants.
Our thinking
Maximizing PFOS Treatment for an Industrial Site
A closed-loop approach using FOAM-X foam fractionation and onsite destruction meets discharge limits and eliminates off-site waste
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