AWWA JAW3031
Journal AWWA - Well Water Quality Deterioration in Central Pierce County, Washington
Journal Article by American Water Works Association, 09/01/1980
DeWalle, Foppe B.;Schaff, Russell M.;Hatlen, Jack B.
Full Description
Currently 20 percent of US water consumption is supplied by groundwater, and its contamination is causing considerable alarm. In densely populated Central Pierce County (Wash.), groundwater contamination was found to originate from septic tank drainfields. The highest nitrate and coliform concentrations in groundwater occur when infiltrating rainfall dissolves and leaches these contaminants downward. Includes 7 references charts graphs tables.