Onterris

Onterris is a global environmental solutions company formed from ECT2 (Emerging Compounds Treatment Technologies), whose expertise in complex contamination challenges continues as part of the broader organization. The brand partners with organizations to address environmental pressures, regulatory expectations and operational risks across sectors including chemical, energy, government, infrastructure, manufacturing, mining, solid waste and transportation.

Onterris provides environmental engineering and remediation services, including PFAS treatment, water and wastewater treatment, vapor treatment, contaminated-land remediation, permitting and compliance, testing and analysis, and emergency preparedness and response. Its capabilities also include health, safety and chemistry services, community resiliency, natural resources support, stack testing and leak detection.

Building on ECT2’s established treatment technologies, Onterris uses proprietary solutions such as advanced ion exchange resins and Nanosorb® to remove PFAS and other difficult contaminants from water and vapor. These systems can enable on-site regeneration and have been deployed internationally. Onterris also offers environmental consulting and regulatory compliance support, helping clients manage complex requirements and make informed decisions.