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EWG's Tap Water Database — 2021 UPDATE

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Trichloroacetic acid

Slidell Water Supply

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.

MORE ABOUT THIS CONTAMINANT

 

194

Samples

0

Samples exceeding legal limit (MCL)

100

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.85 ppb3430ND - 3.60 ppb
20152.91 ppb3230ND - 5.40 ppb
20162.94 ppb32321.000 ppb - 4.20 ppb
20170.725 ppb328ND - 4.70 ppb
2018ND320ND
2019ND320ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.1 ppb

The EWG Health Guideline of 0.1 ppb for trichloroacetic acid was proposed in 2020 by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk.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
2014-02-062011627983.60 ppb
2014-02-062011628003.20 ppb
2014-02-062011628023.10 ppb
2014-02-062011628032.90 ppb
2014-02-062011627983.60 ppb
2014-02-062011628003.20 ppb
2014-02-062011628023.10 ppb
2014-02-062011628032.90 ppb
2014-05-032033700011.90 ppb
2014-05-032033700022.60 ppb
2014-05-032033700032.30 ppb
2014-05-032033700041.10 ppb
2014-05-032033700011.90 ppb
2014-05-032033700022.60 ppb
2014-05-032033700032.30 ppb
2014-05-032033700041.10 ppb
2014-08-072076810011.90 ppb
2014-08-072076810022.60 ppb
2014-08-072076810031.60 ppb
2014-08-072076810041.40 ppb
2014-08-072076810011.90 ppb
2014-08-072076810022.60 ppb
2014-08-072076810031.60 ppb
2014-08-072076810041.40 ppb
2014-09-042089600011.000 ppb
2014-09-042089600011.000 ppb
2014-11-0320117500011.20 ppb
2014-11-0320117500021.10 ppb
2014-11-032011750003ND
2014-11-032011750004ND
2014-11-0320117500011.20 ppb
2014-11-0320117500021.10 ppb
2014-11-032011750003ND
2014-11-032011750004ND
2015-02-0320155970011.30 ppb
2015-02-0320155970021.60 ppb
2015-02-032015597003ND
2015-02-0320155970042.00 ppb
2015-02-0320155970011.30 ppb
2015-02-0320155970021.60 ppb
2015-02-032015597003ND
2015-02-0320155970042.00 ppb
2015-05-0520194810012.30 ppb
2015-05-0520194810025.40 ppb
2015-05-0520194810032.00 ppb
2015-05-0520194810043.00 ppb
2015-05-0520194810012.30 ppb
2015-05-0520194810025.40 ppb
2015-05-0520194810032.00 ppb
2015-05-0520194810043.00 ppb
2015-07-1520227520013.30 ppb
2015-07-1520227520023.20 ppb
2015-07-1520227520034.60 ppb
2015-07-1520227520044.20 ppb
2015-07-1520227520013.30 ppb
2015-07-1520227520023.20 ppb
2015-07-1520227520034.60 ppb
2015-07-1520227520044.20 ppb
2015-12-0220293980012.80 ppb
2015-12-0220293980025.10 ppb
2015-12-0220293980032.40 ppb
2015-12-0220293980043.40 ppb
2015-12-0220293980012.80 ppb
2015-12-0220293980025.10 ppb
2015-12-0220293980032.40 ppb
2015-12-0220293980043.40 ppb
2016-02-0220320040014.20 ppb
2016-02-0220320040021.80 ppb
2016-02-0220320040032.00 ppb
2016-02-0220320040042.30 ppb
2016-02-0220320040014.20 ppb
2016-02-0220320040021.80 ppb
2016-02-0220320040032.00 ppb
2016-02-0220320040042.30 ppb
2016-05-0920364550013.10 ppb
2016-05-0920364550023.00 ppb
2016-05-0920364550032.40 ppb
2016-05-0920364550042.20 ppb
2016-05-0920364550013.10 ppb
2016-05-0920364550023.00 ppb
2016-05-0920364550032.40 ppb
2016-05-0920364550042.20 ppb
2016-08-0420407760014.10 ppb
2016-08-0420407760023.80 ppb
2016-08-0420407760033.00 ppb
2016-08-0420407760043.10 ppb
2016-08-0420407760014.10 ppb
2016-08-0420407760023.80 ppb
2016-08-0420407760033.00 ppb
2016-08-0420407760043.10 ppb
2016-11-0820454240013.60 ppb
2016-11-0820454240023.40 ppb
2016-11-0820454240034.10 ppb
2016-11-0820454240041.000 ppb
2016-11-0820454240013.60 ppb
2016-11-0820454240023.40 ppb
2016-11-0820454240034.10 ppb
2016-11-0820454240041.000 ppb
2017-02-02352929700072.70 ppb
2017-02-02352929700082.60 ppb
2017-02-02352929700091.60 ppb
2017-02-02352929700104.70 ppb
2017-02-02352929700072.70 ppb
2017-02-02352929700082.60 ppb
2017-02-02352929700091.60 ppb
2017-02-02352929700104.70 ppb
2017-05-0535310764003ND
2017-05-0535310764004ND
2017-05-0535310764005ND
2017-05-0535310764006ND
2017-05-0535310764003ND
2017-05-0535310764004ND
2017-05-0535310764005ND
2017-05-0535310764006ND
2017-08-0735329292009ND
2017-08-0735329292010ND
2017-08-0735329292011ND
2017-08-0735329292034ND
2017-08-0735329292009ND
2017-08-0735329292010ND
2017-08-0735329292011ND
2017-08-0735329292034ND
2017-11-0135346142001ND
2017-11-0135346142002ND
2017-11-0135346142003ND
2017-11-0135346142004ND
2017-11-0135346142001ND
2017-11-0135346142002ND
2017-11-0135346142003ND
2017-11-0135346142004ND
2018-02-0135371859001ND
2018-02-0135371859002ND
2018-02-0135371859003ND
2018-02-0135371859004ND
2018-02-0135371859001ND
2018-02-0135371859002ND
2018-02-0135371859003ND
2018-02-0135371859004ND
2018-05-0435390280001ND
2018-05-0435390280002ND
2018-05-0435390280003ND
2018-05-0435390280004ND
2018-05-0435390280001ND
2018-05-0435390280002ND
2018-05-0435390280003ND
2018-05-0435390280004ND
2018-08-0335408757001ND
2018-08-0335408757002ND
2018-08-0335408757003ND
2018-08-0335408757004ND
2018-08-0335408757001ND
2018-08-0335408757002ND
2018-08-0335408757003ND
2018-08-0335408757004ND
2018-11-0135428054001ND
2018-11-0135428054002ND
2018-11-0135428054003ND
2018-11-0135428054004ND
2018-11-0135428054001ND
2018-11-0135428054002ND
2018-11-0135428054003ND
2018-11-0135428054004ND
2019-02-1435448846001ND
2019-02-1435448846002ND
2019-02-1435448846003ND
2019-02-1435448846004ND
2019-02-1435448846001ND
2019-02-1435448846002ND
2019-02-1435448846003ND
2019-02-1435448846004ND
2019-05-0335466076001ND
2019-05-0335466076002ND
2019-05-0335466076003ND
2019-05-0335466076004ND
2019-05-0335466076001ND
2019-05-0335466076002ND
2019-05-0335466076003ND
2019-05-0335466076004ND
2019-08-1635491112001ND
2019-08-1635491112002ND
2019-08-1635491112003ND
2019-08-1635491112004ND
2019-08-1635491112001ND
2019-08-1635491112002ND
2019-08-1635491112003ND
2019-08-1635491112004ND
2019-11-0835511066001ND
2019-11-0835511066002ND
2019-11-0835511066003ND
2019-11-0835511066004ND
2019-11-0835511066001ND
2019-11-0835511066002ND
2019-11-0835511066003ND
2019-11-0835511066004ND