0124-5376 0124-5376 S0124-53762018000100070 10.21068/c2018.v19n01a05 Colombia Colombia Colombia 00 06 2018 00 06 2018 19 1 70 91

2007 24 565-72 American Public Health Association, American Water Works Association y Water Environment Federation 2005 1200 1984 2 2 2 113-34 2006 11 2 2 45-59 2007 198 2016 71 155-62 2006 206 2002 27 14 14 127-36 Cortolima 2009 1175 2003 43 2 2 191-219 2007 685 2015 Cuarta 1043-58 2009 288-98 2009 185-222 2016 57 27-59 2010 Tercera 587657 2009 656 2001 534 2001 16 1 1 29-49 2001 2010 58 3-37 2013 29 167-78 2008 65-105 2008 3181-8 2005 12 193-231 2010 2009 341-64 2009 Segunda 284297 2009 Segunda 38-48 2011 284-97 2009 383-410 2007 250 1998 67 2014 354 1998 73-4 1998 79-81 2009 195-266 2009 17-103 2007 69-209 2008 59-183 2008 62-237 2005 22 613-8 1988 1999 23 88 88 375-87 2008 440 2013 42 1 1 15-21 2013 86 291-300 1999 22 1 1 15-33 2004 126 2010 514 2002 2 29-36 StatSoft 2007 2004 2015 I 6579 2011 247-60 2011 371 2004 34-156 2008 838-44 2009 17-46