0122-9761 0122-9761 S0122-97612019000200119 10.25268/bimc.invemar.2019.48.2.769 Colombia Colombia 00 12 2019 00 12 2019 48 2 119 142

1999 289 APHA (American Public Health Association) AWWA (American Water Works Association) WEF (Water Environment Federation) 2005 21 981 2007 17 2 2 185-8 2005 2002 25 597-604 1981 586-679 2001 106 C6 C6 11451-67 1989 11 1047-65 1981 936 1999 1-2 1-1706 2008 7 1,2 1,2 159-64 1998 20 8 8 1463-87 2010 157 689-705 2004 966 1991 111 227-35 1999 2 2012 20 57-66 2002 49 869-81 1994 353 2012 60 3 3 243-55 CCCE 2002 1-109 CPPS 2014 3 2-59 2018 86 FAO 1995 41 2015 89 1-27 1982 8 37-52 2001 74 1 1 49-68 2005 56 2002 49 4 4 585-602 1988 130 2006 318 123-40 2016 1995 72 1985 4 161-70 2000 1990 25 157-9 IAC 2008 27 2 2 1-40 INVEMAR 2017 2005 2013 49 1 1 31-41 2017 65 3 3 1046-61 2006 621 2012 38 1 1 11-30 1985 73 26-40 2006 51 21-9 1993 53 2 2 416-49 1997 387 897-900 1985 32 1535-70 2015 33 145-67 2008 2006 41 1 1 63-76 2012 8 1 1 98-123 2015 18 1 1 197-206 1999 72 629-41 2016 152 1995 52 575-81 1976 18 3,4 3,4 2-9 1985 20 1-167 2000 147 1663-86 1998 351 2012 183 2001 41 74-89 2011 1999 325 2011 62 192-6 2011 666 181-96 2001 36 2 2 141-53 2014 4 1 1 33-9 2008 30 3 3 299-309 2010 57 2064-75 1995 123 45-63 2014 22 3 3 1-237 1961 189 732-5 2003 2003 2010 5 946 1994 41 1425-45