Water Consulting, Testing & Treatment

Water Consulting, Testing & Treatment

Why it matters

Disruption flows across entire systems

Water-related disruption rarely stays contained. Changes in flow, quality or availability can move quickly through interconnected systems, affecting infrastructure performance, operational stability and environmental outcomes. What begins as a localized issue can escalate into broader system-wide challenges.

Urbanization, climate variability, aging infrastructure and changing land use are altering how water moves and behaves. These pressures increase the likelihood of flooding, scarcity, contamination and regulatory disruption, while making system performance harder to predict.

Understanding how surface water, groundwater, stormwater and wastewater systems interact is essential to identifying vulnerabilities and managing these risks.

At the same time, emerging contaminants such as per- and polyfluoroalkyl substances (PFAS) require advanced treatment approaches and precise system integration. Organizations need partners who understand the complexities of water infrastructure and who can integrate advanced treatment into broader systems and stakeholder objectives.

With the right partner focused on integrating environmental water solutions, organizations can anticipate disruption, reduce risk and maintain performance across increasingly complex water systems.

Urbanization, climate variability, aging infrastructure and changing land use are altering how water moves and behaves. These pressures increase the likelihood of flooding, scarcity, contamination and regulatory disruption, while making system performance harder to predict.

Understanding how surface water, groundwater, stormwater and wastewater systems interact is essential to identifying vulnerabilities and managing these risks.

At the same time, emerging contaminants such as per- and polyfluoroalkyl substances (PFAS) require advanced treatment approaches and precise system integration. Organizations need partners who understand the complexities of water infrastructure and who can integrate advanced treatment into broader systems and stakeholder objectives.

With the right partner focused on integrating environmental water solutions, organizations can anticipate disruption, reduce risk and maintain performance across increasingly complex water systems.

Proven performance across complex water systems

Stabilized stormwater systems across major infrastructure programs

Reduced flood risk through catchment and flow modeling

Resolved groundwater contamination across complex industrial sites

Delivered advanced PFAS treatment within existing drinking water and wastewater infrastructure

Improved water quality compliance across multi-site operations

Enabled resilient water systems for reuse

Water Consulting, Testing & Treatment Solutions

Treatment Technologies

Treatment systems designed, built, installed and operated for PFAS and other complex contaminants

Water Consulting

Onterris helps organizations better plan, maintain compliance and build resilient operations through a deeper understanding of water systems.

Environmental Laboratory Services

Environmental decisions depend on laboratory data that holds up under scrutiny.

Built to perform under pressure

We combine scientific insight, system understanding and practical delivery to help organizations manage water complexity and implement solutions that perform reliably for the long-term.

Sectors we support

Water challenges vary across sectors and geographies, and our experts help identify the right solutions for your specific needs.