Hawaii Groundwater Assessment August 1, 2011 | USGS USGS has published: A Water-Budget Model and Assessment of Groundwater Recharge for the Island... USGS Groundwater Connections March 28, 2012 | USGS "Across the country, about half of the American public uses groundwater as a primary drinking... Radium in US Groundwater February 16, 2012 | USGS "A recent USGS study found that groundwater in aquifers on the East Coast and in... Impact of Barnett Shale Development on Groundwater Resources April 5, 2011 | Texas Water Development Board The impact of hydraulic fracturing on ground water supplies is a concern in almost every... |