U.S. Geological Survey
National Water-Quality Assessment Program

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Western Volcanics Principal Aquifer Group
Status and Trends

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The Western Volcanics Principal Aquifer Team is studying the Hawaiian volcanic-rock aquifers, the Columbia Plateau basin-fill and basaltic-rock aquifers, and Snake River Plain basin-fill and basaltic-rock aquifers.

Reports Plans and Budgets

For more information, please contact:

Mike Rupert, Hydrologist
Team Leader
(719) 544-7155 x113
mgrupert@usgs.gov
Go to the NAWQA Ground-Water Synthesis by Principal Aquifer Home Page