AWWA JAW3031 PDF

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.

Edition :	Vol. 72 - No. 9
File Size :	1 file , 990 KB
Note :	This product is unavailable in Ukraine, Russia, Belarus
Number of Pages :	4
Published :	09/01/1980