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Discover how groundwater plays a huge role in our everyday life in Plymouth.

3:00 today (6/17/26) at Indie Ferm

Discover how groundwater plays a huge role in our everyday life in Plymouth.  Learn how groundwater feeds and interacts with our rivers, ponds, wetlands/marshes, coastal waters and estuaries as well as drinking water wells.  Denis LeBlanc from the U.S. Geological Survey (USGS) will share insights from his work on the Cape’s hydrogeologic setting, groundwater flow, groundwater/surface-water interactions, the fate and transport of contaminants, and how science can be used to guide local and regional water management. Attendees will gain a deeper appreciation for the unseen world beneath our feet and how they can help protect this vital resource.  

Denis LeBlanc is a Scientist Emeritus with the New England Water Science Center, where he conducts research on the hydrology of shallow, unconfined groundwater/surface-water systems and the fate and transport of contaminants. He joined the USGS in 1975 and, until 1983, participated in and led investigations of Cape Cod’s hydrologic system. From1983 until his retirement in 2023, he conducted and coordinated multidisciplinary research at the USGS Cape Cod Toxic Substances Hydrology Research site at Joint Base Cape Cod (JBCC) near Falmouth, Mass. He also led the team that provided technical support to Air Force and Army National Guard environmental restoration programs at JBCC and participated in several projects with the U.S Environmental Protection Agency on nitrogen and other wastewater contaminants in Cape Cod’s groundwater.

Denis received his B.S. in Hydrology from the University of New Hampshire and his M.S. in Civil and Environmental Engineering from the Massachusetts Institute of Technology.

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