Welcome to the homepage of the Information Systems Group (ISG) at Tetra Tech EGS. The Services page provides an overview of our areas of expertise, including application development, data management, document management, electronic data collection, GIS, and web development. The Product Gallery section illustrates sample applications and maps that we have developed for internal and external clients. The Data Tools area provide custom-built resources for laboratories and contractors for submitting Electronic Data Deliverables (EDDs).

Tetra Tech EGS provides environmental consulting and engineering, remediation/construction, and information technology services to both government and commercial clients. Tetra Tech is a leading provider of consulting and engineering services. The Company supports government and commercial clients by providing innovative solutions focused on water, environment, infrastructure, resource management, energy, and international development. With 21,000 employees worldwide, Tetra Tech's capabilities span the entire project life cycle. Our engineers, scientists, and technical specialists use our broad base of expert resources to dedicate ourselves to clients' needs, offering innovative and cost-effective solutions to complex world problems.