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EWG's Tap Water Database — 2019 UPDATE

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Monochloroacetic acid

New Orleans Algiers Water Works

Monochloroacetic acid, one of the group of five haloacetic acids regulated by federal standards, is formed when chlorine or other disinfectants are used to treat drinking water. Haloacetic acids and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

 

522

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20121.00 ppb7430ND - 3.00 ppb
20131.01 ppb6424ND - 3.20 ppb
20141.78 ppb6440ND - 4.80 ppb
20150.478 ppb19238ND - 3.60 ppb
20160.409 ppb6410ND - 3.40 ppb
20170.469 ppb6416ND - 2.10 ppb

ppb = parts per billion

All test results

Date Lab ID Result
2012-01-11201201130280ND
2012-01-112012011401422.10 ppb
2012-01-112012011401432.30 ppb
2012-01-11201201140144ND
2012-01-112012011401452.40 ppb
2012-01-112012011401462.60 ppb
2012-01-112012011401472.40 ppb
2012-01-112012011401482.60 ppb
2012-01-112012011401492.70 ppb
2012-01-112012011401502.50 ppb
2012-01-11201201130280ND
2012-01-112012011401422.10 ppb
2012-01-112012011401432.30 ppb
2012-01-11201201140144ND
2012-01-112012011401452.40 ppb
2012-01-112012011401462.60 ppb
2012-01-112012011401472.40 ppb
2012-01-112012011401482.60 ppb
2012-01-112012011401492.70 ppb
2012-01-112012011401502.50 ppb
2012-04-112012041302483.00 ppb
2012-04-112012041302492.10 ppb
2012-04-112012041302502.40 ppb
2012-04-11201204130251ND
2012-04-11201204130252ND
2012-04-11201204130253ND
2012-04-112012041302542.90 ppb
2012-04-112012041302552.80 ppb
2012-04-112012041302483.00 ppb
2012-04-112012041302492.10 ppb
2012-04-112012041302502.40 ppb
2012-04-11201204130251ND
2012-04-11201204130252ND
2012-04-11201204130253ND
2012-04-112012041302542.90 ppb
2012-04-112012041302552.80 ppb
2012-07-10201207140184ND
2012-07-10201207140186ND
2012-07-102012071401872.30 ppb
2012-07-10201207140188ND
2012-07-10201207140189ND
2012-07-10201207140190ND
2012-07-10201207140191ND
2012-07-10201207140184ND
2012-07-10201207140186ND
2012-07-102012071401872.30 ppb
2012-07-10201207140188ND
2012-07-10201207140189ND
2012-07-10201207140190ND
2012-07-10201207140191ND
2012-07-112012071401852.00 ppb
2012-07-11201207140192ND
2012-07-112012071401852.00 ppb
2012-07-11201207140192ND
2012-10-10201120130220ND
2012-10-10201210103226ND
2012-10-10201210130219ND
2012-10-10201210130220ND
2012-10-10201210130221ND
2012-10-10201210130222ND
2012-10-10201210130223ND
2012-10-10201210130224ND
2012-10-10201210130225ND
2012-10-10201210130227ND
2012-10-10201120130220ND
2012-10-10201210103226ND
2012-10-10201210130219ND
2012-10-10201210130220ND
2012-10-10201210130221ND
2012-10-10201210130222ND
2012-10-10201210130223ND
2012-10-10201210130224ND
2012-10-10201210130225ND
2012-10-10201210130227ND
2013-01-15201301180245ND
2013-01-152013011802462.60 ppb
2013-01-152013011802472.40 ppb
2013-01-152013011802482.40 ppb
2013-01-15201301180249ND
2013-01-152013011802502.10 ppb
2013-01-152013011802512.10 ppb
2013-01-15201301180252ND
2013-01-15201301180245ND
2013-01-152013011802462.60 ppb
2013-01-152013011802472.40 ppb
2013-01-152013011802482.40 ppb
2013-01-15201301180249ND
2013-01-152013011802502.10 ppb
2013-01-152013011802512.10 ppb
2013-01-15201301180252ND
2013-04-092013041201732.70 ppb
2013-04-092013041201743.00 ppb
2013-04-092013041201752.90 ppb
2013-04-092013041201762.80 ppb
2013-04-092013041201773.10 ppb
2013-04-092013041201782.90 ppb
2013-04-092013041201793.20 ppb
2013-04-09201304120180ND
2013-04-092013041201732.70 ppb
2013-04-092013041201743.00 ppb
2013-04-092013041201752.90 ppb
2013-04-092013041201762.80 ppb
2013-04-092013041201773.10 ppb
2013-04-092013041201782.90 ppb
2013-04-092013041201793.20 ppb
2013-04-09201304120180ND
2013-07-10201307120544ND
2013-07-10201307120545ND
2013-07-10201307120546ND
2013-07-10201307120547ND
2013-07-10201307120548ND
2013-07-10201307120549ND
2013-07-10201307120550ND
2013-07-10201307120551ND
2013-07-10201307120544ND
2013-07-10201307120545ND
2013-07-10201307120546ND
2013-07-10201307120547ND
2013-07-10201307120548ND
2013-07-10201307120549ND
2013-07-10201307120550ND
2013-07-10201307120551ND
2013-10-08201310110459ND
2013-10-08201310110460ND
2013-10-08201310110461ND
2013-10-08201310110462ND
2013-10-08201310110463ND
2013-10-08201310110464ND
2013-10-08201310110465ND
2013-10-08201310110467ND
2013-10-08201310110459ND
2013-10-08201310110460ND
2013-10-08201310110461ND
2013-10-08201310110462ND
2013-10-08201310110463ND
2013-10-08201310110464ND
2013-10-08201310110465ND
2013-10-08201310110467ND
2014-01-072014010904703.10 ppb
2014-01-072014010904712.90 ppb
2014-01-072014010904722.70 ppb
2014-01-072014010904732.80 ppb
2014-01-072014010904742.70 ppb
2014-01-072014010904754.80 ppb
2014-01-072014010904784.30 ppb
2014-01-072014010904703.10 ppb
2014-01-072014010904712.90 ppb
2014-01-072014010904722.70 ppb
2014-01-072014010904732.80 ppb
2014-01-072014010904742.70 ppb
2014-01-072014010904754.80 ppb
2014-01-072014010904784.30 ppb
2014-01-082014010907464.60 ppb
2014-01-082014010907464.60 ppb
2014-04-08201404120119ND
2014-04-082014041201202.30 ppb
2014-04-082014041201212.40 ppb
2014-04-082014041201222.10 ppb
2014-04-082014041201232.30 ppb
2014-04-082014041201242.20 ppb
2014-04-082014041201252.30 ppb
2014-04-082014041201272.60 ppb
2014-04-08201404120119ND
2014-04-082014041201202.30 ppb
2014-04-082014041201212.40 ppb
2014-04-082014041201222.10 ppb
2014-04-082014041201232.30 ppb
2014-04-082014041201242.20 ppb
2014-04-082014041201252.30 ppb
2014-04-082014041201272.60 ppb
2014-07-08201407100660ND
2014-07-08201407100661ND
2014-07-08201407100662ND
2014-07-08201407100663ND
2014-07-08201407100664ND
2014-07-08201407100665ND
2014-07-082014071006662.60 ppb
2014-07-08201407100668ND
2014-07-08201407100660ND
2014-07-08201407100661ND
2014-07-08201407100662ND
2014-07-08201407100663ND
2014-07-08201407100664ND
2014-07-08201407100665ND
2014-07-082014071006662.60 ppb
2014-07-08201407100668ND
2014-10-082014101004012.20 ppb
2014-10-08201410100402ND
2014-10-082014101004032.70 ppb
2014-10-082014101004042.60 ppb
2014-10-08201410100405ND
2014-10-082014101004062.60 ppb
2014-10-08201410100407ND
2014-10-08201410100409ND
2014-10-082014101004012.20 ppb
2014-10-08201410100402ND
2014-10-082014101004032.70 ppb
2014-10-082014101004042.60 ppb
2014-10-08201410100405ND
2014-10-082014101004062.60 ppb
2014-10-08201410100407ND
2014-10-08201410100409ND
2015-01-13201501150341ND
2015-01-13201501150342ND
2015-01-13201501150343ND
2015-01-13201501150344ND
2015-01-13201501150345ND
2015-01-13201501150346ND
2015-01-13201501150347ND
2015-01-13201501150348ND
2015-01-13201501150341ND
2015-01-13201501150342ND
2015-01-13201501150343ND
2015-01-13201501150344ND
2015-01-13201501150345ND
2015-01-13201501150346ND
2015-01-13201501150347ND
2015-01-13201501150348ND
2015-04-152015041603252.80 ppb
2015-04-152015041603262.40 ppb
2015-04-152015041603272.60 ppb
2015-04-152015041603282.30 ppb
2015-04-152015041603293.60 ppb
2015-04-15201504160330ND
2015-04-152015041603312.80 ppb
2015-04-152015041603322.20 ppb
2015-04-152015041603252.80 ppb
2015-04-152015041603262.40 ppb
2015-04-152015041603272.60 ppb
2015-04-152015041603282.30 ppb
2015-04-152015041603293.60 ppb
2015-04-15201504160330ND
2015-04-152015041603312.80 ppb
2015-04-152015041603322.20 ppb
2015-07-14201507160576ND
2015-07-14201507160577ND
2015-07-14201507160580ND
2015-07-14201507160581ND
2015-07-14201507160576ND
2015-07-14201507160577ND
2015-07-14201507160580ND
2015-07-14201507160581ND
2015-07-152015071605782.10 ppb
2015-07-152015071605792.30 ppb
2015-07-15201507160582ND
2015-07-152015071605832.00 ppb
2015-07-152015071605782.10 ppb
2015-07-152015071605792.30 ppb
2015-07-15201507160582ND
2015-07-152015071605832.00 ppb
2015-08-13201508140164ND
2015-08-13201508140165ND
2015-08-13201508140166ND
2015-08-13201508140167ND
2015-08-13201508140168ND
2015-08-132015081401692.10 ppb
2015-08-132015081401702.00 ppb
2015-08-132015081401713.40 ppb
2015-08-13201508140164ND
2015-08-13201508140165ND
2015-08-13201508140166ND
2015-08-13201508140167ND
2015-08-13201508140168ND
2015-08-132015081401692.10 ppb
2015-08-132015081401702.00 ppb
2015-08-132015081401713.40 ppb
2015-08-202015082202212.60 ppb
2015-08-20201508220222ND
2015-08-20201508220223ND
2015-08-20201508220224ND
2015-08-202015082202252.10 ppb
2015-08-202015082202262.10 ppb
2015-08-202015082202272.00 ppb
2015-08-20201508220228ND
2015-08-202015082202212.60 ppb
2015-08-20201508220222ND
2015-08-20201508220223ND
2015-08-20201508220224ND
2015-08-202015082202252.10 ppb
2015-08-202015082202262.10 ppb
2015-08-202015082202272.00 ppb
2015-08-20201508220228ND
2015-08-25201508180093ND
2015-08-25201508180094ND
2015-08-25201508180095ND
2015-08-25201508180096ND
2015-08-252015081800972.40 ppb
2015-08-25201508180098ND
2015-08-252015081800992.10 ppb
2015-08-25201508180100ND
2015-08-25201508180093ND
2015-08-25201508180094ND
2015-08-25201508180095ND
2015-08-25201508180096ND
2015-08-252015081800972.40 ppb
2015-08-25201508180098ND
2015-08-252015081800992.10 ppb
2015-08-25201508180100ND
2015-09-01201508180121ND
2015-09-01201508180122ND
2015-09-01201508180123ND
2015-09-01201508180124ND
2015-09-01201508180125ND
2015-09-01201508180126ND
2015-09-01201508180127ND
2015-09-01201508180128ND
2015-09-01201508180121ND
2015-09-01201508180122ND
2015-09-01201508180123ND
2015-09-01201508180124ND
2015-09-01201508180125ND
2015-09-01201508180126ND
2015-09-01201508180127ND
2015-09-01201508180128ND
2015-09-09201508180147ND
2015-09-09201508180148ND
2015-09-09201508180149ND
2015-09-09201508180150ND
2015-09-09201508180151ND
2015-09-09201508180152ND
2015-09-09201508180153ND
2015-09-09201508180154ND
2015-09-09201508180147ND
2015-09-09201508180148ND
2015-09-09201508180149ND
2015-09-09201508180150ND
2015-09-09201508180151ND
2015-09-09201508180152ND
2015-09-09201508180153ND
2015-09-09201508180154ND
2015-09-16201508180255ND
2015-09-16201508180256ND
2015-09-16201508180257ND
2015-09-16201508180258ND
2015-09-16201508180259ND
2015-09-16201508180260ND
2015-09-16201508180261ND
2015-09-16201508180262ND
2015-09-16201508180255ND
2015-09-16201508180256ND
2015-09-16201508180257ND
2015-09-16201508180258ND
2015-09-16201508180259ND
2015-09-16201508180260ND
2015-09-16201508180261ND
2015-09-16201508180262ND
2015-09-23201508230159ND
2015-09-23201508230160ND
2015-09-23201508230161ND
2015-09-23201508230162ND
2015-09-23201508230163ND
2015-09-23201508230164ND
2015-09-23201508230165ND
2015-09-2320150823158ND
2015-09-23201508230159ND
2015-09-23201508230160ND
2015-09-23201508230161ND
2015-09-23201508230162ND
2015-09-23201508230163ND
2015-09-23201508230164ND
2015-09-23201508230165ND
2015-09-2320150823158ND
2015-09-30201508300176ND
2015-09-30201508300177ND
2015-09-30201508300178ND
2015-09-30201508300179ND
2015-09-30201508300180ND
2015-09-30201508300181ND
2015-09-30201508300182ND
2015-09-30201508300183ND
2015-09-30201508300176ND
2015-09-30201508300177ND
2015-09-30201508300178ND
2015-09-30201508300179ND
2015-09-30201508300180ND
2015-09-30201508300181ND
2015-09-30201508300182ND
2015-09-30201508300183ND
2015-10-13201510150201ND
2015-10-13201510150202ND
2015-10-13201510150203ND
2015-10-13201510150204ND
2015-10-13201510150205ND
2015-10-13201510150206ND
2015-10-13201510150207ND
2015-10-13201510150208ND
2015-10-13201510150201ND
2015-10-13201510150202ND
2015-10-13201510150203ND
2015-10-13201510150204ND
2015-10-13201510150205ND
2015-10-13201510150206ND
2015-10-13201510150207ND
2015-10-13201510150208ND
2016-01-12201601150497ND
2016-01-12201601150499ND
2016-01-12201601150501ND
2016-01-12201601150502ND
2016-01-12201601150503ND
2016-01-12201601150497ND
2016-01-12201601150499ND
2016-01-12201601150501ND
2016-01-12201601150502ND
2016-01-12201601150503ND
2016-01-13201601150498ND
2016-01-13201601150500ND
2016-01-13201601150504ND
2016-01-13201601150498ND
2016-01-13201601150500ND
2016-01-13201601150504ND
2016-04-12201604140261ND
2016-04-122016041402622.20 ppb
2016-04-122016041402632.60 ppb
2016-04-12201604140264ND
2016-04-122016041402653.40 ppb
2016-04-122016041402662.50 ppb
2016-04-122016041402672.40 ppb
2016-04-12201604140268ND
2016-04-12201604140261ND
2016-04-122016041402622.20 ppb
2016-04-122016041402632.60 ppb
2016-04-12201604140264ND
2016-04-122016041402653.40 ppb
2016-04-122016041402662.50 ppb
2016-04-122016041402672.40 ppb
2016-04-12201604140268ND
2016-07-14201607150875ND
2016-07-14201607150876ND
2016-07-14201607150877ND
2016-07-14201607150878ND
2016-07-14201607150879ND
2016-07-14201607150880ND
2016-07-14201607150881ND
2016-07-14201607150882ND
2016-07-14201607150875ND
2016-07-14201607150876ND
2016-07-14201607150877ND
2016-07-14201607150878ND
2016-07-14201607150879ND
2016-07-14201607150880ND
2016-07-14201607150881ND
2016-07-14201607150882ND
2016-10-27201610280167ND
2016-10-27201610280168ND
2016-10-27201610280169ND
2016-10-27201610280170ND
2016-10-27201610280172ND
2016-10-27201610280174ND
2016-10-2720161028171ND
2016-10-2720161028173ND
2016-10-27201610280167ND
2016-10-27201610280168ND
2016-10-27201610280169ND
2016-10-27201610280170ND
2016-10-27201610280172ND
2016-10-27201610280174ND
2016-10-2720161028171ND
2016-10-2720161028173ND
2017-01-1935290149001ND
2017-01-1935290149002ND
2017-01-1935290149003ND
2017-01-1935290149004ND
2017-01-1935290149005ND
2017-01-1935290149006ND
2017-01-1935290149007ND
2017-01-1935290149008ND
2017-01-1935290149001ND
2017-01-1935290149002ND
2017-01-1935290149003ND
2017-01-1935290149004ND
2017-01-1935290149005ND
2017-01-1935290149006ND
2017-01-1935290149007ND
2017-01-1935290149008ND
2017-04-1835307308001ND
2017-04-1835307308002ND
2017-04-1835307308003ND
2017-04-1835307308004ND
2017-04-1835307308005ND
2017-04-1835307308006ND
2017-04-1835307308007ND
2017-04-1835307308008ND
2017-04-1835307308001ND
2017-04-1835307308002ND
2017-04-1835307308003ND
2017-04-1835307308004ND
2017-04-1835307308005ND
2017-04-1835307308006ND
2017-04-1835307308007ND
2017-04-1835307308008ND
2017-07-0635322407001ND
2017-07-0635322407002ND
2017-07-0635322407003ND
2017-07-0635322407004ND
2017-07-0635322407005ND
2017-07-0635322407006ND
2017-07-06353224070072.10 ppb
2017-07-0635322407008ND
2017-07-0635322407001ND
2017-07-0635322407002ND
2017-07-0635322407003ND
2017-07-0635322407004ND
2017-07-0635322407005ND
2017-07-0635322407006ND
2017-07-06353224070072.10 ppb
2017-07-0635322407008ND
2017-10-11353416010011.30 ppb
2017-10-1135341601002ND
2017-10-11353416010031.90 ppb
2017-10-11353416010041.90 ppb
2017-10-11353416010051.90 ppb
2017-10-11353416010061.80 ppb
2017-10-11353416010072.00 ppb
2017-10-11353416010082.10 ppb
2017-10-11353416010011.30 ppb
2017-10-1135341601002ND
2017-10-11353416010031.90 ppb
2017-10-11353416010041.90 ppb
2017-10-11353416010051.90 ppb
2017-10-11353416010061.80 ppb
2017-10-11353416010072.00 ppb
2017-10-11353416010082.10 ppb