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Welcome to GSI Portal Site!



GSI Water Solutions provides creative, effective answers to the groundwater, environmental, and water resources problems facing municipalities, water districts, farmers, and industry.
Our staff of hydrogeologists, hydrologists, geologists, engineers, water resources specialists, and environmental scientists has strong technical abilities and many years of experience in clearly communicating the often complex issues confronting our clients.
GSI is a privately owned consulting firm, founded in 2000, serving clients in the Pacific Northwest, California, Asia, and Europe.



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