We help our clients develop, manage, and protect their groundwater resources. We’ve built a well-earned reputation for our ability to integrate our understanding of local and regional hydrogeology with client objectives to develop practical solutions to water supply needs.

GSI’s geologists, hydrogeologists, and hydrologists are experts in groundwater assessment and supply development, well and wellfield design, water quality assessments, aquifer and well performance testing, and resource protection. Learn more about our areas of expertise: