Hydrogeology and Groundwater

Tetra Tech provides expert hydrogeological and groundwater solutions to support geotechnical, environmental, and infrastructure development across the UK and Europe.

Tetra Tech delivers integrated hydrogeological services that support clients in managing groundwater sustainably and safely. Our expert teams bring deep understanding of complex subsurface conditions, combining field investigations, predictive modelling, and regulatory knowledge to deliver robust outcomes.

Our services help address key risks and opportunities associated with groundwater resources, including water supply development, contamination risk assessment, flooding control, and ecological protection. We support infrastructure, land development, waste, and mining sectors across the entire project lifecycle, from feasibility and permitting to operation and decommissioning.

Groundwater Resource Management and Borehole Design

We provide strategic assessment and design services to ensure safe, sustainable use of groundwater for public, private, and industrial water supply.

Groundwater source investigation and development
Borehole siting, design, and testing
Abstraction impact assessments
Licensing and compliance with regulatory frameworks

Hydrogeological Investigations and Modelling

Our specialists deliver robust, evidence-based insights through targeted investigation and advanced numerical modelling.

Conceptual site model development
Pumping test analysis
Contaminant fate and transport modelling
Surface–groundwater interaction studies

Controlled Waters Risk Assessment

We conduct regulatory-compliant risk assessments to support planning, permitting, and remediation.

Preliminary and detailed risk assessments
Controlled waters impact assessments
Source-pathway-receptor modelling
Support for environmental permitting and mitigation design

Water Quality and Compliance Monitoring

We support operational compliance, permitting, and baseline data collection through comprehensive water quality assessments.

Baseline and compliance water quality monitoring
Hydrochemical sampling and interpretation
Permit discharge compliance assessments
Water Framework Directive (WFD) compliance

Landfill and Hydrogeological Impact Assessments

We help clients understand and manage the impact of waste and infrastructure developments on groundwater systems.

Landfill hydrogeological risk assessments
Long-term groundwater monitoring strategies
Groundwater flow and leachate modelling
Support with environmental statements and environmental impact assessments (EIA)
Hydro-ecological risk assessments
Groundwater-dependent terrestrial ecosystem (GWDTE) evaluations
Catchment hydrological balance studies
Habitat impact and restoration guidance