Groundwater Management - Library of Plans, Studies, Reports, etc. Drinking Water Well FAQ Bainbridge Island Groundwater Model & Final Report, view USGS site. Groundwater Model - 2011 Numerical Model - Initial Scenario Selection Report - 2009 Groundwater Monitoring Program - Revised 2009 Baseline Groundwater Technical Information Summary - 2006 Sampling & Analysis Plan - Groundwater Management Plan - 2006 University of Washington Geologic Mapping Project - 2005 July 2012 - State of the Island's Waters Report 2012