Ken Rudder en El Dorado conservationist to be inducted into Hall of Fame Arkansas’ Conservation Hall of Fame will honor an El Dorado man Tuesday evening for his long commitment to recharging the Sparta Aquifer, the sole source of drinking water for a number of municipalities in South Arkansas and North Louisiana.&#160;<img class="wysiwyg-asset-image-wrapper inset" data-caption="The heavy industrial users of groundwater switched to surface water from the Ouachita River in an effort to keep the Sparta Aquifer a viable source of drinking water for generations to come." data-attribution="" typeof="foaf:Image" src=" Mon, 09 Dec 2013 15:43:00 +0000 Kate Archer Kent 49724 at