Consulting Hydrogeologists Since 1989
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About EGGI

Meet the Senior Team

Michael OBrien, B.S., P.G.

Michael O’Brien has been a member of the EGGI groundwater exploration and development team since 2005. He has focused his professional career in the assessment of both bedrock and unconsolidated aquifers along the U.S. Eastern Seaboard and has participated in or managed over 100 water supply projects. Michael O’Brien is an experienced geologist and project field manager of groundwater resource projects who has an advanced understanding of:

· Geologic mapping – bedrock and surficial deposits
· Planning and performing pumping tests to assess aquifer yield and quality
· Remote sensing analysis
· Geophysical surveys (collection and analyses of electrical resistivity, magnetic, and electromagnetic data)
· Drilling and logging of monitoring wells
· Drilling and logging of water supply production wells
· Surface water stream gauging
· Use of AutoCAD and GIS for all of the above
· Use of Visual Basic for Applications script for design and construction of Microsoft Excess and Access templates


B.S., Geology, University of New Hampshire, 2005


Michael OBrien's photo

Recognized experts in groundwater exploration, development, management, and protection.