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EWG's Tap Water Database — 2019 UPDATE

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Dichloroacetic acid

City of Lake Charles Water System

Dichloroacetic 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.

 

184

Samples

0

Samples exceeding legal limit (MCL)

86

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.944 ppb248ND - 5.20 ppb
20130.519 ppb3212ND - 1.60 ppb
20141.19 ppb3210ND - 11.0 ppb
20150.756 ppb3216ND - 2.10 ppb
20160.631 ppb3220ND - 1.30 ppb
20170.836 ppb3222ND - 1.70 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.7 ppb

The EWG Health Guideline of 0.7 ppb for dichloroacetic 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
2012-05-16L0015392-01ND
2012-05-16L0015392-03ND
2012-05-16L0015392-04ND
2012-05-16L005392-02ND
2012-05-16L0015392-01ND
2012-05-16L0015392-03ND
2012-05-16L0015392-04ND
2012-05-16L005392-02ND
2012-08-16L0019009-01ND
2012-08-16L0019009-020.830 ppb
2012-08-16L0019009-03ND
2012-08-16L0019009-04ND
2012-08-16L0019009-01ND
2012-08-16L0019009-020.830 ppb
2012-08-16L0019009-03ND
2012-08-16L0019009-04ND
2012-11-07L0022388-042.70 ppb
2012-11-07L0022388-042.70 ppb
2012-11-14L0022388-012.60 ppb
2012-11-14L0022388-025.20 ppb
2012-11-14L0022388-03ND
2012-11-14L0022388-012.60 ppb
2012-11-14L0022388-025.20 ppb
2012-11-14L0022388-03ND
2013-02-14L0025985-011.40 ppb
2013-02-14L0025985-021.50 ppb
2013-02-14L0025985-03ND
2013-02-14L0025985-041.40 ppb
2013-02-14L0025985-011.40 ppb
2013-02-14L0025985-021.50 ppb
2013-02-14L0025985-03ND
2013-02-14L0025985-041.40 ppb
2013-05-15L0029502-01ND
2013-05-15L0029502-02ND
2013-05-15L0029502-03ND
2013-05-15L0029502-041.20 ppb
2013-05-15L0029502-01ND
2013-05-15L0029502-02ND
2013-05-15L0029502-03ND
2013-05-15L0029502-041.20 ppb
2013-08-13L0033111-011.20 ppb
2013-08-13L0033111-02ND
2013-08-13L0033111-03ND
2013-08-13L0033111-041.60 ppb
2013-08-13L0033111-011.20 ppb
2013-08-13L0033111-02ND
2013-08-13L0033111-03ND
2013-08-13L0033111-041.60 ppb
2013-11-12L0036627-01ND
2013-11-12L0036627-02ND
2013-11-12L0036627-03ND
2013-11-12L0036627-04ND
2013-11-12L0036627-01ND
2013-11-12L0036627-02ND
2013-11-12L0036627-03ND
2013-11-12L0036627-04ND
2014-02-14L0039713-01ND
2014-02-14L0039713-02ND
2014-02-14L0039713-03ND
2014-02-14L0039713-04ND
2014-02-14L0039713-01ND
2014-02-14L0039713-02ND
2014-02-14L0039713-03ND
2014-02-14L0039713-04ND
2014-05-15L0043038-011.60 ppb
2014-05-15L0043038-02ND
2014-05-15L0043038-0311.0 ppb
2014-05-15L0043038-04ND
2014-05-15L0043038-011.60 ppb
2014-05-15L0043038-02ND
2014-05-15L0043038-0311.0 ppb
2014-05-15L0043038-04ND
2014-08-13L0046692-01ND
2014-08-13L0046692-02ND
2014-08-13L0046692-032.80 ppb
2014-08-13L0046692-041.80 ppb
2014-08-13L0046692-01ND
2014-08-13L0046692-02ND
2014-08-13L0046692-032.80 ppb
2014-08-13L0046692-041.80 ppb
2014-11-11L0050494-01ND
2014-11-11L0050494-02ND
2014-11-11L0050494-03ND
2014-11-11L0050494-041.90 ppb
2014-11-11L0050494-01ND
2014-11-11L0050494-02ND
2014-11-11L0050494-03ND
2014-11-11L0050494-041.90 ppb
2015-02-12LA3534-1ND
2015-02-12LA3534-2ND
2015-02-12LA3534-3ND
2015-02-12LA3534-4ND
2015-02-12LA3534-1ND
2015-02-12LA3534-2ND
2015-02-12LA3534-3ND
2015-02-12LA3534-4ND
2015-05-12LA6929-11.10 ppb
2015-05-12LA6929-2ND
2015-05-12LA6929-31.10 ppb
2015-05-12LA6929-41.000 ppb
2015-05-12LA6929-11.10 ppb
2015-05-12LA6929-2ND
2015-05-12LA6929-31.10 ppb
2015-05-12LA6929-41.000 ppb
2015-08-11LA10223-1ND
2015-08-11LA10223-2ND
2015-08-11LA10223-31.60 ppb
2015-08-11LA10223-4ND
2015-08-11LA10223-1ND
2015-08-11LA10223-2ND
2015-08-11LA10223-31.60 ppb
2015-08-11LA10223-4ND
2015-11-10LA13902-11.50 ppb
2015-11-10LA13902-21.60 ppb
2015-11-10LA13902-32.10 ppb
2015-11-10LA13902-42.10 ppb
2015-11-10LA13902-11.50 ppb
2015-11-10LA13902-21.60 ppb
2015-11-10LA13902-32.10 ppb
2015-11-10LA13902-42.10 ppb
2016-02-08LA17014-10.880 ppb
2016-02-08LA17014-2ND
2016-02-08LA17014-3ND
2016-02-08LA17014-40.980 ppb
2016-02-08LA17014-10.880 ppb
2016-02-08LA17014-2ND
2016-02-08LA17014-3ND
2016-02-08LA17014-40.980 ppb
2016-05-11LA20626-10.830 ppb
2016-05-11LA20626-21.20 ppb
2016-05-11LA20626-30.840 ppb
2016-05-11LA20626-41.30 ppb
2016-05-11LA20626-10.830 ppb
2016-05-11LA20626-21.20 ppb
2016-05-11LA20626-30.840 ppb
2016-05-11LA20626-41.30 ppb
2016-08-10LA24066-1ND
2016-08-10LA24066-20.980 ppb
2016-08-10LA24066-3ND
2016-08-10LA24066-40.950 ppb
2016-08-10LA24066-1ND
2016-08-10LA24066-20.980 ppb
2016-08-10LA24066-3ND
2016-08-10LA24066-40.950 ppb
2016-11-10LA27401-1ND
2016-11-10LA27401-2ND
2016-11-10LA27401-31.20 ppb
2016-11-10LA27401-40.930 ppb
2016-11-10LA27401-1ND
2016-11-10LA27401-2ND
2016-11-10LA27401-31.20 ppb
2016-11-10LA27401-40.930 ppb
2017-02-1635296076001ND
2017-02-1635296076002ND
2017-02-1635296076003ND
2017-02-16352960760041.50 ppb
2017-02-1635296076001ND
2017-02-1635296076002ND
2017-02-1635296076003ND
2017-02-16352960760041.50 ppb
2017-05-11353121270011.70 ppb
2017-05-11353121270021.30 ppb
2017-05-1135312127003ND
2017-05-11353121270041.60 ppb
2017-05-11353121270011.70 ppb
2017-05-11353121270021.30 ppb
2017-05-1135312127003ND
2017-05-11353121270041.60 ppb
2017-08-0335328360013ND
2017-08-03353283600141.40 ppb
2017-08-03353283600151.50 ppb
2017-08-03353283600160.990 ppb
2017-08-0335328360013ND
2017-08-03353283600141.40 ppb
2017-08-03353283600151.50 ppb
2017-08-03353283600160.990 ppb
2017-11-03353461760010.640 ppb
2017-11-03353461760020.800 ppb
2017-11-03353461760031.000 ppb
2017-11-03353461760040.940 ppb
2017-11-03353461760010.640 ppb
2017-11-03353461760020.800 ppb
2017-11-03353461760031.000 ppb
2017-11-03353461760040.940 ppb