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History of technical investigations <br />Table 4. History of technical investigations in Metropolitan Council's water supply work. <br />YEAR Metropolitan Council Water Supply Planning Activity <br />2007 Completed mapping of metro area surficial geology and geochemistry <br />2008 <br />2009 <br />2010 <br />2011 <br />Piloted project with Dakota County to map groundwater contamination <br />Completed synoptic groundwater measurement of the metro area <br />Completed Metro Model 2, the regional groundwater flow model <br />Completed analysis of Mississippi River low -flow characteristics <br />Filled gaps in metro area hydrostratigraphic and hydrogeochemical data <br />Completed evaluation of groundwater -surface water interaction <br />Completed East Bethel groundwater analysis <br />Completed mapping bedrock recharge and Platteville Formation hydrostratigraphy <br />2013 Updated Soil Water Balance (SWB) model to estimate iet ila!ye <br />2014 <br />Surveyed private industrial water users regarding conservation barriers and opportunities <br />Completed assessment of stormwater infiltration impacts on groundwater <br />Updated the regional groundwater flow model to Metro Model 3 <br />Completed assessment of industrial water conservation barriers and opportunities <br />2015 Drafted study of Turtle Lake augmentation (Shoreview, MN) <br />Completed groundwater modeling to explore sustainable groundwater limits <br />Completed joint water utility feasibility study for six northwest metro communities <br />Completed regional enhanced recharge study <br />2016 Completed water billing analysis <br />Oversaw completion of USGS Scientific Investigations Report <br />Completed recharge and stormwater reuse study in the northeast, northwest, & southeast metro <br />areas <br />Completed water supply feasibility assessment for Washington County Water Coalition <br />Completed research on industrial water conservation in the north and east GWMA <br />2017 I Contributed technical assistance to screening level evaluation of the impacts of infiltrating reclaimed <br />water on groundwater and surface water in the southeast metro <br />Page - 34 I METROPOLITAN COUNCIL <br />