Drinking Water

Tetra Tech applies its Leading with Science® approach to deliver safe, sustainable, and resilient drinking water solutions. We combine decades of technical expertise with cutting-edge modelling, hydrology, and water resource management tools to support clients from source protection through to delivery.

Leveraging our global drinking water expertise, our integrated services span environmental investigations, water supply planning, asset performance optimisation, leakage management and control, and regulatory advisory. We address the interdependencies between surface water, groundwater, and the wider environment, providing clients with data-driven, climate-resilient strategies.

Water Environment

Our specialists deliver robust environmental insights to ensure sustainable water abstraction and ecosystem protection.

• Environmental impact assessments (EIAs) and habitats regulations assessments (HRAs)
• Water Framework Directive (WFD) compliance and permitting
• Monitoring of water-dependent ecosystems
• Flow and hydroecological modelling
• Adaptive management for protected areas

Water Infrastructure

We support clients to deliver safe and efficient drinking water supply through strategic planning and asset management.

• Strategic water supply planning and resilience assessments
• Infrastructure design and optimisation
• Water treatment feasibility and innovation studies
• Active leakage control and pressure management
• Drinking water quality management, including mains cleaning and conditioning
• Leakage analysis and network modelling
• Operational risk management
• Strategic, climate-resilient water supply planning
• Operational risk management and asset performance optimisation

Groundwater

Tetra Tech provides market-leading groundwater services from aquifer characterisation to remediation and licensing.

• Groundwater risk assessments and source protection zone modelling
• Hydrogeological conceptualisation and borehole design
• Abstraction licensing and regulatory liaison
• Contaminant fate and transport modelling
• Groundwater monitoring and compliance reporting
• Desalination services
• We deliver comprehensive desalination solutions that transform seawater and brackish water into safe, sustainable, and resilient drinking water, helping clients address water scarcity and enhance supply reliability.
• Feasibility studies and technology assessments for reverse osmosis, thermal, and emerging desalination technologies
• Stakeholder engagement and community consultation
• Design and optimisation of desalination infrastructure and integration with distribution networks

Water Advisory

Our water advisory teams provide technical and strategic support to public and private sector clients.

• Policy and regulatory guidance
• Water sector investment planning
• Technical due diligence and peer review
• Programme management and delivery
• Capacity building and training