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EWG's Tap Water Database — 2019 UPDATE

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Trichloroacetic acid

New Orleans Algiers Water Works

Trichloroacetic 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)

504

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20122.62 ppb7458ND - 14.0 ppb
20135.14 ppb64641.80 ppb - 8.60 ppb
20146.04 ppb64641.70 ppb - 11.0 ppb
20155.16 ppb1921921.50 ppb - 19.0 ppb
20165.88 ppb64642.10 ppb - 10.00 ppb
20173.54 ppb6462ND - 7.30 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.5 ppb

The EWG Health Guideline of 0.5 ppb for trichloroacetic acid was defined by the Environmental Protection Agency as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion

All test results

Date Lab ID Result
2012-01-112012011302803.60 ppb
2012-01-112012011401426.30 ppb
2012-01-112012011401436.20 ppb
2012-01-112012011401446.60 ppb
2012-01-112012011401455.90 ppb
2012-01-112012011401465.70 ppb
2012-01-112012011401476.80 ppb
2012-01-112012011401485.60 ppb
2012-01-112012011401496.20 ppb
2012-01-112012011401506.20 ppb
2012-01-112012011302803.60 ppb
2012-01-112012011401426.30 ppb
2012-01-112012011401436.20 ppb
2012-01-112012011401446.60 ppb
2012-01-112012011401455.90 ppb
2012-01-112012011401465.70 ppb
2012-01-112012011401476.80 ppb
2012-01-112012011401485.60 ppb
2012-01-112012011401496.20 ppb
2012-01-112012011401506.20 ppb
2012-04-112012041302481.000 ppb
2012-04-11201204130249ND
2012-04-11201204130250ND
2012-04-11201204130251ND
2012-04-11201204130252ND
2012-04-11201204130253ND
2012-04-112012041302542.00 ppb
2012-04-11201204130255ND
2012-04-112012041302481.000 ppb
2012-04-11201204130249ND
2012-04-11201204130250ND
2012-04-11201204130251ND
2012-04-11201204130252ND
2012-04-11201204130253ND
2012-04-112012041302542.00 ppb
2012-04-11201204130255ND
2012-07-102012071401841.50 ppb
2012-07-102012071401861.50 ppb
2012-07-102012071401871.70 ppb
2012-07-1020120714018814.0 ppb
2012-07-102012071401891.40 ppb
2012-07-102012071401901.70 ppb
2012-07-102012071401911.60 ppb
2012-07-102012071401841.50 ppb
2012-07-102012071401861.50 ppb
2012-07-102012071401871.70 ppb
2012-07-1020120714018814.0 ppb
2012-07-102012071401891.40 ppb
2012-07-102012071401901.70 ppb
2012-07-102012071401911.60 ppb
2012-07-112012071401851.60 ppb
2012-07-112012071401921.60 ppb
2012-07-112012071401851.60 ppb
2012-07-112012071401921.60 ppb
2012-10-102011201302201.000 ppb
2012-10-102012101032261.10 ppb
2012-10-102012101302191.000 ppb
2012-10-102012101302201.000 ppb
2012-10-10201210130221ND
2012-10-102012101302221.000 ppb
2012-10-102012101302231.10 ppb
2012-10-10201210130224ND
2012-10-102012101302251.000 ppb
2012-10-102012101302271.10 ppb
2012-10-102011201302201.000 ppb
2012-10-102012101032261.10 ppb
2012-10-102012101302191.000 ppb
2012-10-102012101302201.000 ppb
2012-10-10201210130221ND
2012-10-102012101302221.000 ppb
2012-10-102012101302231.10 ppb
2012-10-10201210130224ND
2012-10-102012101302251.000 ppb
2012-10-102012101302271.10 ppb
2013-01-152013011802457.10 ppb
2013-01-152013011802466.80 ppb
2013-01-152013011802476.90 ppb
2013-01-152013011802487.20 ppb
2013-01-152013011802497.20 ppb
2013-01-152013011802507.50 ppb
2013-01-152013011802516.80 ppb
2013-01-152013011802526.60 ppb
2013-01-152013011802457.10 ppb
2013-01-152013011802466.80 ppb
2013-01-152013011802476.90 ppb
2013-01-152013011802487.20 ppb
2013-01-152013011802497.20 ppb
2013-01-152013011802507.50 ppb
2013-01-152013011802516.80 ppb
2013-01-152013011802526.60 ppb
2013-04-092013041201738.20 ppb
2013-04-092013041201748.60 ppb
2013-04-092013041201758.50 ppb
2013-04-092013041201768.20 ppb
2013-04-092013041201777.80 ppb
2013-04-092013041201787.80 ppb
2013-04-092013041201797.70 ppb
2013-04-092013041201808.20 ppb
2013-04-092013041201738.20 ppb
2013-04-092013041201748.60 ppb
2013-04-092013041201758.50 ppb
2013-04-092013041201768.20 ppb
2013-04-092013041201777.80 ppb
2013-04-092013041201787.80 ppb
2013-04-092013041201797.70 ppb
2013-04-092013041201808.20 ppb
2013-07-102013071205443.30 ppb
2013-07-102013071205452.70 ppb
2013-07-102013071205463.10 ppb
2013-07-102013071205472.80 ppb
2013-07-102013071205483.30 ppb
2013-07-102013071205493.50 ppb
2013-07-102013071205503.20 ppb
2013-07-102013071205512.80 ppb
2013-07-102013071205443.30 ppb
2013-07-102013071205452.70 ppb
2013-07-102013071205463.10 ppb
2013-07-102013071205472.80 ppb
2013-07-102013071205483.30 ppb
2013-07-102013071205493.50 ppb
2013-07-102013071205503.20 ppb
2013-07-102013071205512.80 ppb
2013-10-082013101104592.20 ppb
2013-10-082013101104602.30 ppb
2013-10-082013101104612.30 ppb
2013-10-082013101104622.40 ppb
2013-10-082013101104632.50 ppb
2013-10-082013101104642.70 ppb
2013-10-082013101104652.40 ppb
2013-10-082013101104671.80 ppb
2013-10-082013101104592.20 ppb
2013-10-082013101104602.30 ppb
2013-10-082013101104612.30 ppb
2013-10-082013101104622.40 ppb
2013-10-082013101104632.50 ppb
2013-10-082013101104642.70 ppb
2013-10-082013101104652.40 ppb
2013-10-082013101104671.80 ppb
2014-01-072014010904709.30 ppb
2014-01-072014010904718.90 ppb
2014-01-072014010904729.10 ppb
2014-01-072014010904738.30 ppb
2014-01-072014010904749.00 ppb
2014-01-072014010904759.10 ppb
2014-01-072014010904787.80 ppb
2014-01-072014010904709.30 ppb
2014-01-072014010904718.90 ppb
2014-01-072014010904729.10 ppb
2014-01-072014010904738.30 ppb
2014-01-072014010904749.00 ppb
2014-01-072014010904759.10 ppb
2014-01-072014010904787.80 ppb
2014-01-082014010907469.10 ppb
2014-01-082014010907469.10 ppb
2014-04-082014041201199.70 ppb
2014-04-082014041201209.90 ppb
2014-04-0820140412012110.00 ppb
2014-04-0820140412012210.00 ppb
2014-04-0820140412012310.00 ppb
2014-04-0820140412012411.0 ppb
2014-04-082014041201259.50 ppb
2014-04-082014041201279.40 ppb
2014-04-082014041201199.70 ppb
2014-04-082014041201209.90 ppb
2014-04-0820140412012110.00 ppb
2014-04-0820140412012210.00 ppb
2014-04-0820140412012310.00 ppb
2014-04-0820140412012411.0 ppb
2014-04-082014041201259.50 ppb
2014-04-082014041201279.40 ppb
2014-07-082014071006603.40 ppb
2014-07-082014071006613.10 ppb
2014-07-082014071006623.40 ppb
2014-07-082014071006633.30 ppb
2014-07-082014071006643.30 ppb
2014-07-082014071006653.30 ppb
2014-07-082014071006662.90 ppb
2014-07-082014071006683.00 ppb
2014-07-082014071006603.40 ppb
2014-07-082014071006613.10 ppb
2014-07-082014071006623.40 ppb
2014-07-082014071006633.30 ppb
2014-07-082014071006643.30 ppb
2014-07-082014071006653.30 ppb
2014-07-082014071006662.90 ppb
2014-07-082014071006683.00 ppb
2014-10-082014101004012.50 ppb
2014-10-082014101004022.00 ppb
2014-10-082014101004032.60 ppb
2014-10-082014101004042.40 ppb
2014-10-082014101004052.20 ppb
2014-10-082014101004062.40 ppb
2014-10-082014101004071.70 ppb
2014-10-082014101004091.80 ppb
2014-10-082014101004012.50 ppb
2014-10-082014101004022.00 ppb
2014-10-082014101004032.60 ppb
2014-10-082014101004042.40 ppb
2014-10-082014101004052.20 ppb
2014-10-082014101004062.40 ppb
2014-10-082014101004071.70 ppb
2014-10-082014101004091.80 ppb
2015-01-132015011503415.90 ppb
2015-01-132015011503425.90 ppb
2015-01-132015011503435.80 ppb
2015-01-132015011503446.00 ppb
2015-01-132015011503456.40 ppb
2015-01-132015011503466.00 ppb
2015-01-132015011503475.90 ppb
2015-01-132015011503485.60 ppb
2015-01-132015011503415.90 ppb
2015-01-132015011503425.90 ppb
2015-01-132015011503435.80 ppb
2015-01-132015011503446.00 ppb
2015-01-132015011503456.40 ppb
2015-01-132015011503466.00 ppb
2015-01-132015011503475.90 ppb
2015-01-132015011503485.60 ppb
2015-04-1520150416032510.00 ppb
2015-04-152015041603269.80 ppb
2015-04-152015041603279.70 ppb
2015-04-152015041603289.90 ppb
2015-04-1520150416032911.0 ppb
2015-04-1520150416033010.00 ppb
2015-04-1520150416033110.00 ppb
2015-04-152015041603328.90 ppb
2015-04-1520150416032510.00 ppb
2015-04-152015041603269.80 ppb
2015-04-152015041603279.70 ppb
2015-04-152015041603289.90 ppb
2015-04-1520150416032911.0 ppb
2015-04-1520150416033010.00 ppb
2015-04-1520150416033110.00 ppb
2015-04-152015041603328.90 ppb
2015-07-1420150716057614.0 ppb
2015-07-1420150716057715.0 ppb
2015-07-1420150716058011.0 ppb
2015-07-1420150716058114.0 ppb
2015-07-1420150716057614.0 ppb
2015-07-1420150716057715.0 ppb
2015-07-1420150716058011.0 ppb
2015-07-1420150716058114.0 ppb
2015-07-1520150716057818.0 ppb
2015-07-1520150716057915.0 ppb
2015-07-1520150716058219.0 ppb
2015-07-1520150716058319.0 ppb
2015-07-1520150716057818.0 ppb
2015-07-1520150716057915.0 ppb
2015-07-1520150716058219.0 ppb
2015-07-1520150716058319.0 ppb
2015-08-132015081401646.30 ppb
2015-08-132015081401656.20 ppb
2015-08-132015081401666.20 ppb
2015-08-132015081401675.80 ppb
2015-08-132015081401685.50 ppb
2015-08-132015081401696.00 ppb
2015-08-132015081401706.50 ppb
2015-08-132015081401717.10 ppb
2015-08-132015081401646.30 ppb
2015-08-132015081401656.20 ppb
2015-08-132015081401666.20 ppb
2015-08-132015081401675.80 ppb
2015-08-132015081401685.50 ppb
2015-08-132015081401696.00 ppb
2015-08-132015081401706.50 ppb
2015-08-132015081401717.10 ppb
2015-08-202015082202213.50 ppb
2015-08-202015082202223.30 ppb
2015-08-202015082202233.30 ppb
2015-08-202015082202243.30 ppb
2015-08-202015082202254.40 ppb
2015-08-202015082202263.90 ppb
2015-08-202015082202273.60 ppb
2015-08-202015082202283.60 ppb
2015-08-202015082202213.50 ppb
2015-08-202015082202223.30 ppb
2015-08-202015082202233.30 ppb
2015-08-202015082202243.30 ppb
2015-08-202015082202254.40 ppb
2015-08-202015082202263.90 ppb
2015-08-202015082202273.60 ppb
2015-08-202015082202283.60 ppb
2015-08-252015081800934.20 ppb
2015-08-252015081800944.20 ppb
2015-08-252015081800954.00 ppb
2015-08-252015081800964.20 ppb
2015-08-252015081800975.00 ppb
2015-08-252015081800984.10 ppb
2015-08-252015081800994.90 ppb
2015-08-252015081801004.50 ppb
2015-08-252015081800934.20 ppb
2015-08-252015081800944.20 ppb
2015-08-252015081800954.00 ppb
2015-08-252015081800964.20 ppb
2015-08-252015081800975.00 ppb
2015-08-252015081800984.10 ppb
2015-08-252015081800994.90 ppb
2015-08-252015081801004.50 ppb
2015-09-012015081801213.40 ppb
2015-09-012015081801223.10 ppb
2015-09-012015081801233.20 ppb
2015-09-012015081801243.40 ppb
2015-09-012015081801253.00 ppb
2015-09-012015081801262.60 ppb
2015-09-012015081801274.20 ppb
2015-09-012015081801282.70 ppb
2015-09-012015081801213.40 ppb
2015-09-012015081801223.10 ppb
2015-09-012015081801233.20 ppb
2015-09-012015081801243.40 ppb
2015-09-012015081801253.00 ppb
2015-09-012015081801262.60 ppb
2015-09-012015081801274.20 ppb
2015-09-012015081801282.70 ppb
2015-09-092015081801472.70 ppb
2015-09-092015081801482.60 ppb
2015-09-092015081801492.60 ppb
2015-09-092015081801502.90 ppb
2015-09-092015081801512.70 ppb
2015-09-092015081801522.80 ppb
2015-09-092015081801535.10 ppb
2015-09-092015081801542.80 ppb
2015-09-092015081801472.70 ppb
2015-09-092015081801482.60 ppb
2015-09-092015081801492.60 ppb
2015-09-092015081801502.90 ppb
2015-09-092015081801512.70 ppb
2015-09-092015081801522.80 ppb
2015-09-092015081801535.10 ppb
2015-09-092015081801542.80 ppb
2015-09-162015081802553.10 ppb
2015-09-162015081802563.10 ppb
2015-09-162015081802573.10 ppb
2015-09-162015081802583.20 ppb
2015-09-162015081802593.40 ppb
2015-09-162015081802603.10 ppb
2015-09-162015081802613.60 ppb
2015-09-162015081802623.80 ppb
2015-09-162015081802553.10 ppb
2015-09-162015081802563.10 ppb
2015-09-162015081802573.10 ppb
2015-09-162015081802583.20 ppb
2015-09-162015081802593.40 ppb
2015-09-162015081802603.10 ppb
2015-09-162015081802613.60 ppb
2015-09-162015081802623.80 ppb
2015-09-232015082301592.50 ppb
2015-09-232015082301602.40 ppb
2015-09-232015082301612.50 ppb
2015-09-232015082301622.30 ppb
2015-09-232015082301632.30 ppb
2015-09-232015082301642.50 ppb
2015-09-232015082301652.30 ppb
2015-09-23201508231582.30 ppb
2015-09-232015082301592.50 ppb
2015-09-232015082301602.40 ppb
2015-09-232015082301612.50 ppb
2015-09-232015082301622.30 ppb
2015-09-232015082301632.30 ppb
2015-09-232015082301642.50 ppb
2015-09-232015082301652.30 ppb
2015-09-23201508231582.30 ppb
2015-09-302015083001761.50 ppb
2015-09-302015083001771.60 ppb
2015-09-302015083001781.60 ppb
2015-09-302015083001791.60 ppb
2015-09-302015083001801.60 ppb
2015-09-302015083001811.60 ppb
2015-09-302015083001822.40 ppb
2015-09-302015083001831.90 ppb
2015-09-302015083001761.50 ppb
2015-09-302015083001771.60 ppb
2015-09-302015083001781.60 ppb
2015-09-302015083001791.60 ppb
2015-09-302015083001801.60 ppb
2015-09-302015083001811.60 ppb
2015-09-302015083001822.40 ppb
2015-09-302015083001831.90 ppb
2015-10-132015101502012.10 ppb
2015-10-132015101502021.90 ppb
2015-10-132015101502031.90 ppb
2015-10-132015101502045.90 ppb
2015-10-132015101502052.00 ppb
2015-10-132015101502062.80 ppb
2015-10-132015101502072.20 ppb
2015-10-132015101502081.60 ppb
2015-10-132015101502012.10 ppb
2015-10-132015101502021.90 ppb
2015-10-132015101502031.90 ppb
2015-10-132015101502045.90 ppb
2015-10-132015101502052.00 ppb
2015-10-132015101502062.80 ppb
2015-10-132015101502072.20 ppb
2015-10-132015101502081.60 ppb
2016-01-122016011504979.20 ppb
2016-01-122016011504998.60 ppb
2016-01-122016011505016.70 ppb
2016-01-122016011505028.00 ppb
2016-01-122016011505038.20 ppb
2016-01-122016011504979.20 ppb
2016-01-122016011504998.60 ppb
2016-01-122016011505016.70 ppb
2016-01-122016011505028.00 ppb
2016-01-122016011505038.20 ppb
2016-01-132016011504988.90 ppb
2016-01-1320160115050010.00 ppb
2016-01-132016011505049.50 ppb
2016-01-132016011504988.90 ppb
2016-01-1320160115050010.00 ppb
2016-01-132016011505049.50 ppb
2016-04-122016041402614.40 ppb
2016-04-122016041402624.50 ppb
2016-04-122016041402634.70 ppb
2016-04-122016041402644.40 ppb
2016-04-1220160414026510.00 ppb
2016-04-122016041402664.70 ppb
2016-04-122016041402674.40 ppb
2016-04-122016041402684.50 ppb
2016-04-122016041402614.40 ppb
2016-04-122016041402624.50 ppb
2016-04-122016041402634.70 ppb
2016-04-122016041402644.40 ppb
2016-04-1220160414026510.00 ppb
2016-04-122016041402664.70 ppb
2016-04-122016041402674.40 ppb
2016-04-122016041402684.50 ppb
2016-07-142016071508757.50 ppb
2016-07-142016071508767.50 ppb
2016-07-142016071508777.90 ppb
2016-07-142016071508787.00 ppb
2016-07-142016071508797.80 ppb
2016-07-142016071508807.00 ppb
2016-07-142016071508817.10 ppb
2016-07-142016071508826.10 ppb
2016-07-142016071508757.50 ppb
2016-07-142016071508767.50 ppb
2016-07-142016071508777.90 ppb
2016-07-142016071508787.00 ppb
2016-07-142016071508797.80 ppb
2016-07-142016071508807.00 ppb
2016-07-142016071508817.10 ppb
2016-07-142016071508826.10 ppb
2016-10-272016102801672.10 ppb
2016-10-272016102801682.30 ppb
2016-10-272016102801692.50 ppb
2016-10-272016102801702.20 ppb
2016-10-272016102801722.10 ppb
2016-10-272016102801743.00 ppb
2016-10-27201610281712.60 ppb
2016-10-27201610281732.80 ppb
2016-10-272016102801672.10 ppb
2016-10-272016102801682.30 ppb
2016-10-272016102801692.50 ppb
2016-10-272016102801702.20 ppb
2016-10-272016102801722.10 ppb
2016-10-272016102801743.00 ppb
2016-10-27201610281712.60 ppb
2016-10-27201610281732.80 ppb
2017-01-19352901490016.30 ppb
2017-01-19352901490026.00 ppb
2017-01-19352901490036.20 ppb
2017-01-19352901490046.00 ppb
2017-01-19352901490057.20 ppb
2017-01-19352901490066.50 ppb
2017-01-19352901490077.30 ppb
2017-01-1935290149008ND
2017-01-19352901490016.30 ppb
2017-01-19352901490026.00 ppb
2017-01-19352901490036.20 ppb
2017-01-19352901490046.00 ppb
2017-01-19352901490057.20 ppb
2017-01-19352901490066.50 ppb
2017-01-19352901490077.30 ppb
2017-01-1935290149008ND
2017-04-18353073080012.80 ppb
2017-04-18353073080022.60 ppb
2017-04-18353073080032.40 ppb
2017-04-18353073080042.50 ppb
2017-04-18353073080052.60 ppb
2017-04-18353073080062.80 ppb
2017-04-18353073080072.40 ppb
2017-04-18353073080082.20 ppb
2017-04-18353073080012.80 ppb
2017-04-18353073080022.60 ppb
2017-04-18353073080032.40 ppb
2017-04-18353073080042.50 ppb
2017-04-18353073080052.60 ppb
2017-04-18353073080062.80 ppb
2017-04-18353073080072.40 ppb
2017-04-18353073080082.20 ppb
2017-07-06353224070013.80 ppb
2017-07-06353224070024.10 ppb
2017-07-06353224070033.90 ppb
2017-07-06353224070043.70 ppb
2017-07-06353224070054.20 ppb
2017-07-06353224070064.00 ppb
2017-07-06353224070074.30 ppb
2017-07-06353224070083.90 ppb
2017-07-06353224070013.80 ppb
2017-07-06353224070024.10 ppb
2017-07-06353224070033.90 ppb
2017-07-06353224070043.70 ppb
2017-07-06353224070054.20 ppb
2017-07-06353224070064.00 ppb
2017-07-06353224070074.30 ppb
2017-07-06353224070083.90 ppb
2017-10-11353416010011.50 ppb
2017-10-11353416010021.50 ppb
2017-10-11353416010031.90 ppb
2017-10-11353416010042.30 ppb
2017-10-11353416010052.70 ppb
2017-10-11353416010062.10 ppb
2017-10-11353416010071.70 ppb
2017-10-11353416010082.00 ppb
2017-10-11353416010011.50 ppb
2017-10-11353416010021.50 ppb
2017-10-11353416010031.90 ppb
2017-10-11353416010042.30 ppb
2017-10-11353416010052.70 ppb
2017-10-11353416010062.10 ppb
2017-10-11353416010071.70 ppb
2017-10-11353416010082.00 ppb