Who We Are
Onterris is a global environmental solutions company partnering with organizations to solve complex challenges where environmental pressures, regulatory expectations and operational risks intersect.
Sectors
Access deep environmental expertise tailored to your industry, with solutions built for real-world conditions.
Solutions
Prepare for escalating environmental risks with expert solutions designed to perform under pressure.
Our Thinking
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.
Cuture & Careers
Where brilliant people come together to turn environmental science into real-world progress for communities, industry and the planet.

Mining & Minerals

Supporting responsible mining operations through integrated environmental science, regulatory expertise and actionable insight across the mining lifecycle.
Mining operation with conveyor systems transporting aggregate material
Aerial view of a large open-pit mining operation.
INTRO

Environmental clarity across the mining lifecycle

Mining projects operate at the intersection of geology, environmental systems and community expectations. Water resources, land conditions and environmental permitting now influence development decisions alongside engineering and investment priorities.

Working as an integrated team, we combine mining environmental consulting, groundwater expertise, site contamination assessment and environmental permitting support to help operators navigate complex environmental systems and advance responsible mining projects across the full lifecycle of development and operation.
Why it matters

Mining decisions today shape environmental outcomes for decades

Mining projects increasingly depend on demonstrating environmental rigor, transparent engagement and credible pathways from development through closure. Regulators, investors and communities expect operators to understand land disturbance, water systems, mine waste and long-term environmental impacts before projects advance.

At the same time, global demand for critical minerals is accelerating project timelines and increasing scrutiny of environmental performance and social license.

Without integrated environmental planning, projects face approval delays, rising costs and long-term liabilities. Organizations that understand environmental systems early can move forward with greater certainty and credibility.
Microscopic view of mineral and sediment particles.
Environmental field technician conducting a site inspection with a notepad.

Environmental science that scales with mining ambition

Our teams integrate hydrogeology, geochemistry, engineering, modeling and environmental science to help mining operators manage environmental systems across complex projects and large operating portfolios.
Water retention pond at a mining operation

Mining expertise in practice

Explore how our integrated environmental capabilities support responsible mining projects across land, water and community systems.
Field worker surveying rocky terrain with binoculars.

Permitting & Compliance

Working through air, water and land permitting requirements and building compliance programs that hold up under regulatory review, across regulated industries.
Professional reviewing environmental or safety data on a computer.

Health, Safety & Chemistry

Bringing scientific precision to critical decisions
Woman wearing a yellow vest and looking through binoculars while standing in a field with homes and mountains in the background.

Methane

Detect, quantify and manage methane emissions with advanced measurement technologies, defensible data and regulatory expertise.
Laboratory technician handling samples during environmental testing.

Emerging Contaminants

Identify, assess and manage PFAS and other emerging contaminants with advanced science, regulatory insight and integrated environmental solutions.
SECTOR LEADER

Meet your Mining & Minerals sector leader

Connect with our mining sector experts to strengthen environmental confidence, support approvals and deliver responsible project outcomes.

Mining & Minerals Spotlight

New Report

The Onterris Outlook

Why environmental performance is business-critical

Why Water is the Critical Path for Critical Minerals

How early water planning can help critical minerals projects advance responsibly, build resilience and earn lasting support

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

Critical Minerals, Strategic  Alliances and the Race to Build Responsible Supply Chains

U.S., Canadian and Australian collaboration will determine how fast essential materials reach global markets.

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

The Industrial Wastewater Paradigm Shift: From Treatment to Resource Recovery

Why forward-thinking industries are transforming wastewater from a compliance cost into a strategic source of water, energy and valuable materials

“Just-in-Time” Compliance: The Hidden Risk Building in Legacy Environmental Programs

Teams in asset-intensive industries now need to recognize indicators of operational risk long before compliance brings them into view

The Legal Case for Early Environmental Expertise

For companies in high-impact industries, bringing external environmental and legal insight into their decision-making early can strengthen cross-functional coordination and turn environmental performance into a strategic advantage

How High-Impact Industry Leaders Are Building Value from Environmental Performance

For companies in high-impact sectors, environmental performance is no longer just about doing less harm, it’s also about building value

EPA’s Coal Ash Proposal Creates a New Decision Point for Utilities

The U.S. Environmental Protection Agency (EPA)’s proposed rule could give power generators more room to make site-specific closure decisions. The opportunity is real, but only for utilities that can support their position with clear data, sound judgment and a defensible record.

Optimizing Environmental Constraints Mapping for Renewable Energy Projects

Keep renewable project approvals and budgets on track with a well-informed understanding of site mapping constraints