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Onterris is a global environmental solutions company partnering with organizations to solve complex challenges where environmental pressures, regulatory expectations and operational risks intersect.
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Prepare for escalating environmental risks with expert solutions designed to perform under pressure.
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Explore briefs, perspectives and articles that turn insight into action. Discover thought leadership that informs decisions and drives impact. See the ideas shaping environmental solutions and guiding your next move.
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Where brilliant people come together to turn environmental science into real-world progress for communities, industry and the planet.

Environmental Case Studies

Featured

Stabilizing Leachate Disposal at Champ Landfill: Scalable PFAS Treatment With Foam-X

Practical coordination and proven treatment kept wastewater moving while PFAS requirements evolved
Featured

Turning Fenceline Data into Community Confidence for Phillips 66

Real-time fenceline monitoring and reporting program meets Colorado’s fenceline mandate and strengthens public trust
Featured

Pioneering Sustainable Energy Transition, Protecting Wildlife: Saint Elmo Vanadium Mining Project

Sustainable mining advanced through integrated approvals, community stewardship and innovative Julia Creek Dunnart research

A Smarter Air Permitting Strategy for a Texas Refinery

Strategic planning creates a more efficient permitting pathway and keeps critical refinery modernization on schedule

Accelerating Brownfield Readiness Across Remote Former Defense Sites

Grant strategy and field execution advanced cleanup planning for World War II legacy contamination on Alaska Native Corporation lands

Accelerating Remote Groundwater PFAS Treatment with Modular Systems

Compact deployment, remote operation and a reliable treatment design supported consistent PFAS treatment across six groundwater sites

Advancing Alberta’s Utility-Scale Solar and Storage Through Responsible Environmental Design

Tight coordination across siting, surveys and submissions kept delivery on track while prioritizing ecological outcomes

Advancing Brownfield Approvals to Restart Responsible Gold Production

Early regulator alignment and a coordinated approvals strategy cleared a practical pathway to restart operations and modernize closure planning on a legacy site

Bayou Chicot Solar: Powering Progress, Preserving Wetlands

Integrated permitting and design delivers 200 MW of clean energy while minimizing ecological impact

Building a Scalable Environmental, Health and Safety Operating Model Across a Growing Data Center Portfolio

Environmental health and safety consulting and software delivery stayed tightly aligned, giving the client a clearer path from evaluation to execution

Coordinating a Coastal Pipeline Response

Integrated incident command and real-time monitoring enable safe response and defensible cleanup decisions

Decommissioning a Legacy Textile Site With Reliable PFAS Wastewater Treatment

Reliable commissioning and remote support maintained steady treatment performance in complex lagoon water as the site progressed toward closure

Defending Community Air Quality for Clark County

VOC fingerprinting and lab validation identify wildfires as a driver of air quality exceedances

Delivering A PFAS Treatment Solution For Sydney Water

Rapid PFAS treatment deployment enables Australia’s largest water utility to meet drinking water guidelines and build community trust

Designing a Resilient Transit Line for a Changing Climate

Early climate risk planning aligned designers, constructors and operators on practical adaptations that protect a major transit investment over the long term

Designing the Future of Methane Measurement for Natural Gas Facilities

Proving a faster path to methane slip measurement through a two-phase natural gas field study

Enhancing Connectivity in Beverly Hills with Real-Time Environmental Oversight

A continuous field presence and live monitoring keep impacts managed, information shared and coordination steady as construction advances toward the 2028 Olympics and beyond

Fast-Tracking Regional Climate-Resilient Road Recovery Across Northern NSW

A coordinated approvals program kept priority road and bridge works moving while protecting local waterways and biodiversity

Flexible Modular Leachate Treatment for Greater Operational Control

Integrated engineering and full-service operations provides an adaptable treatment pathway for changing site conditions and evolving requirements

From Contaminated Land to Community Sports Complex

Transforming South Garaches Lane into a safe and vibrant hub for Wilmington families

Fuel-Free VOC Control for Automotive Manufacturing Plant Exhaust

A continuous moving bed system kept emissions control online around the clock, cut energy demand and proved an approach that scales with manufacturing realities

Keeping Sydney Metro West Tunnelling On Track With Audit-Backed Environmental Delivery

A multi-site investigation, remediation and validation program aligned with NSW EPA accredited Site Auditor review cycles enables construction teams to progress safely and confirm site suitability

Keeping the Finch West Light Rail Project on Track Through Environmental Stewardship

Delivering complex transit infrastructure while keeping environmental commitments actionable, consistent and built into every decision on the ground

Leading the ARFF Foam Transition at Naples Airport

A science-led PFAS removal solution for ARFF systems that minimizes rebound, reduces waste and supports fluorine-free foam

Love My Air Program

Empowering communities through air quality monitoring

Maximizing PFOS Treatment for an Industrial Site

See how foam fractionation and onsite destruction removed more than 99.8% of PFOS from industrial groundwater while minimizing off-site PFAS waste.

Modernizing a National Railroad’s Environmental Audit Program

A risk-based, controls-focused audit redesign improved visibility into compliance risks, strengthened accountability and supported more confident environmental, health and safety decision-making

Modernizing LDAR at Freeport LNG

Optical gas imaging delivers clarity, control and emissions reduction in real operations