Government agencies operate under a level of scrutiny that has no equivalent. Every decision is subject to public accountability, every procurement must withstand probity review, and every piece of technical advice may ultimately be tested in a political or legal arena. The environmental consultants engaged must understand this not just in principle, but in practice.

Poor advice, ambiguous findings, or a failure to anticipate how technical conclusions will be received by regulators, politicians, or the public can have consequences that extend well beyond the environmental — affecting agency reputation, project timelines, and public confidence in government institutions.

The breadth of government activity is extraordinary. From local councils managing public open space and planning sensitive land use transitions, to state agencies delivering major transport and utilities infrastructure, to federal departments overseeing defence estates, national parks, and environmental policy at the highest level, the range of environmental challenges is as diverse as government itself. Each tier operates within its own legislative, procurement and stakeholder engagement framework. What remains constant across all of them is the need for advice that is technically unimpeachable, clearly communicated, and structured to withstand scrutiny from any direction.

Western Environmental has built a substantial portfolio of delivery across all tiers of government — local, state, and federal — spanning agencies responsible for planning, environment, energy, water, transport, utilities, infrastructure, finance, and Defence. We understand how government works: the procurement frameworks, the panel appointment processes, the approval hierarchies, the ministerial and community stakeholder sensitivities, and the internal pressures that shape how decisions get made and how projects get delivered. That institutional fluency, developed across decades of government engagement at every level, is not something that can be replicated quickly and it is one of the most tangible value propositions we offer.

We bring this understanding to every project and every advice. Our services span contamination assessment and remediation, PFAS investigation and management, complex environmental approvals, ecological assessment and biodiversity offsets, specialist technical advisory, litigation support, and independent audit — delivered with the rigour, transparency, and accountability that government clients require. Whether supporting a local council through a difficult contaminated land matter, providing independent technical review for a state infrastructure agency, or advising a federal department on a complex regulatory or policy issue, Western Environmental gives decision-makers the clarity and confidence they need to act.

Featured Projects

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    Defence Base Runway Upgrade

    Western Environmental was engaged to provide ongoing environmental consultancy services to support its client in the delivery of a major runway upgrade programme at a RAAF base in Queensland.

    Works have included site investigations and data collection to support soil and water management during construction, assistance with Defence permits and data management (ECC and CRAT), compliance monitoring and technical advice.

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    Climate Active Certification

    Western Environmental were engaged to develop and maintain a comprehensive greenhouse gas inventory across all relevant scope 1, 2 and 3 sources in accordance with Climate Active Organisation Standard and the Greenhouse Gas Protocol Corporate Standard (and associated guidance).

    Works included leveraging digital tools to implement continuous improvements and optimise data collection, calculation, analysis, and insights, developing insights and recommendations to inform strategic decisions on environmental matters and reporting to Executive and Elected Members on relevant matters, which resulted in the maintenance of ongoing annual Climate Active certification since 2020/21.

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    PFAS Project Management

    Western Environmental has been engaged to provide a range of PFAS-specific services across the Defence Estate. Works include project management and contract administration of lead consultants and remediation contractors engaged to assess, remediate and manage PFAS impacts across multiple Defence sites nationally.

    Western Environmental also provides industry recognised, expert PFAS remediation advisors to provide technical advice regarding the delivery of remediation and management efforts.

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    Hawai’i PFAS technical advisory

    Western Environmental has been engaged as a PFAS subject matter expert and strategic technical advisor to a US-based proponent who is responsible for a large portfolio of PFAS-impacted aviation and industrial sites across the Hawai’ian Islands.

    Works to date have included technical review of site investigation and modelling reports, preparation of site-specific Risk Assessments and Remediation Options Assessments, provision of strategic advice and regulatory engagement, and scoping of bench and pilot scale treatability trials for soil and water. Future phases of works will include delivery and oversight of bench and pilot scale remediation and treatment programmes, through to full-scale remediation.

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    Climate Change Action Plan

    Western Environmental were engaged to support the City of Kalamunda in finalising their first Climate Change Action Plan, including actions to both mitigate and adapt to climate change. The plan was co-designed with the local community and was built upon significant stakeholder engagement.

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    Greenhouse Gas Assessment

    Western Environmental was engaged to undertake a baseline operational greenhouse gas assessment for the Western Suburbs Regional Organisation of Councils (WESROC), comprising seven local government authorities in the Perth metropolitan region. The assessment resulted in an improved understanding of the greenhouse gas emissions attributable to metropolitan local government operations and provided a basis for improved decision-making to reduce those emissions.

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    Detailed Botanical Survey

    Western Environmental were engaged to conduct detailed biological assessments to investigate the occurrence of environmental values within the Hartfield Park Offset Area to support the development of an offset package.

    Works included targeted searches for three conservation significant species: Banksia mimica (Threatened pursuant to EPBC Act and BC Act); Conospermum undulatum (Threatened pursuant to EPBC Act and BC Act); and Johnsonia pubescens subsp. cygnorum (P2), detailed vegetation assessment to determine Floristic Community Types and Threatened/Priority Ecology Communities, Targeted Black Cockatoo Assessment, Floristic analysis of new and existing quadrats to confirm FCTs as described by Gibson et al. (1994) and identification of the presence of Commonwealth and State listed TECs, Preparation of a technical report detailing the findings of the desktop assessment and field surveys and preparation of a geospatial data package prepared in accordance with Index of Biodiversity Surveys for Assessments (IBSA) requirements.

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    Defence Barracks Redevelopment

    Western Environmental was engaged to provide environmental consulting services for a major barracks redevelopment project in WA. Works included environmental investigations and hazardous materials survey to assess risk prior to project commencement. Subsequent phases included the preparation of the environmental clearance certificate on behalf of the client, developing project environmental management plans and updating the CRAT database.

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    Riverwall Construction

    Western Environmental was engaged by multiple local government authorities to provide environmental consultancy services in relation to construction works occurring within and adjacent to the Swan River in high risk Acid Sulfate Soils environments.

    Works have included site investigations and risk assessments, development of management strategies for soil, surface and groundwater, and compliance monitoring and reporting during construction works to ensure no adverse environmental impacts occurred within the Swan River.

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    Timber Mill Site Assessment

    Western Environmental was engaged to undertake detailed site investigations and risk assessments in relation to large-scale contamination associated with a former timber mill in south-west WA.

    Complex site conditions and contamination pathways required the development of a detailed and robust conceptual site model, augmented with investigation data derived from soil, sediment, surface water, groundwater and biota, to derive a quantitative risk assessment for the management of impacts.

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    Wooroloo Bushfire Remediation

    Western Environmental was engaged to deliver site-based hygiene and asbestos consultancy works during the clean-up following the Wooroloo bushfire in WA. Works required ongoing compliance monitoring and issue of reports and clearance inspections for a large number of affected properties.

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    Metronet

    Since 2017, Western Environmental has provided ongoing environmental services to support the Metronet suite of projects being delivered by the Public Transport Authority. Works have included site investigations, preparation of management plans to guide construction activities, technical advice regarding environmental issues of concern, and the provision of high-level client-side advice.

    Projects have included multiple train station sites (Claremont, Burswood, Optus Stadium, Bayswater, Midland), and major rail lines (Morley-Ellenbrook Line, Thornlie-Cockburn Line, Yanchep Rail Extension, Airport Link).

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    Water Corporation Asbestos Portfolio

    Western Environmental was engaged to undertake site investigations and reporting for a portfolio of 27 sites across Mid-west WA. These assessments ultimately led to the remediation of asbestos impacts at several sites, achieving site reclassification.

    Works also included the updating of the Asbestos Asset Register database, and revision of site-specific risk assessments to ensure ongoing site operations could be safely undertaken.

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    Remote Community Site Assessment

    Western Environmental was engaged to undertake preliminary and detailed site investigations for a package of 10 sites located in remote aboriginal communities in north-west WA.

    The works involved significant community consultation to arrange access, and substantial pre-planning to facilitate concurrent sampling during site inspections to minimise community disruption. The sites were potentially impacted from a wide range of potentially contaminating land uses, requiring a bespoke approach to each site.

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    Wittenoom Asbestos Risk Assessment

    Western Environmental was engaged to oversee the remediation of several areas impacted by loose fill asbestos along the Roebourne-Wittenoom Road, as well as preparing a detailed risk assessment and simulated exposure exercise to quantify risks presented to human receptors who may be exposed whilst travelling along the road; this included air quality monitoring during the remedial works, simulated exposure monitoring and advanced elutriation techniques to reach ultra low level fibre counting as part of the laboratory analysis program.

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    Defence Estate Divestment

    Western Environmental was commissioned to undertake a preliminary site investigation, sampling and analysis quality plan, conceptual site model, detailed site investigation and risk assessment of four sites across Queensland, South Australia and Western Australia.

    Sites were located in regional and remote areas and were substantial in size, requiring the mobilisation of large field teams and the implementation of diligent project management procedures to secure access and approvals. All site investigations and risk assessments were carried out to facilitate divestment of the sites to third parties, which were successfully concluded within specified project timeframes.

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    Perth Airport Link

    Western Environmental was appointed as lead consultant and client-side advisors for the design and construction phases of the Perth Airport Link project from 2015 to project completion in 2023. Works included preparation of a sampling and analysis quality plan and large-scale detailed site investigation in a complex multi-jurisdictional environment. Site assessment occurred prior to the establishment of state-based or national PFAS guidance.

    Western Environmental led a team of interstate and international PFAS experts to devise a sampling methodology for soil, sediment, ground and surface waters that was subsequently adopted by the state-based regulator and incorporated into the Department of Water and Environmental Regulation (DWER) interim PFAS guidance. Further works included Tier 3 quantitative PFAS risk assessment, supervision/monitoring of forward forks and remediation, and devising a strategy for the re-use of 1,500,000 cubic metres of low-level PFAS-impacted soils on future public infrastructure projects. All works were subject to DWER-accredited Auditor review and approval, along with State and Federal regulators and third-party stakeholders.

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