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EWG's Tap Water Database — 2019 UPDATE

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Dichloroacetic acid

Fairview Union 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.

 

84

Samples

0

Samples exceeding legal limit (MCL)

74

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20123.93 ppb82ND - 15.7 ppb
201344.1 ppb1210ND - 77.4 ppb
201456.2 ppb1614ND - 86.8 ppb
201545.5 ppb16166.40 ppb - 96.9 ppb
201646.4 ppb161619.4 ppb - 86.6 ppb
201759.3 ppb16161.70 ppb - 113.0 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
2012-01-11109017315.7 ppb
2012-01-11109017315.7 ppb
2012-06-201128736ND
2012-06-201128736ND
2012-09-261153185ND
2012-09-261153185ND
2012-12-121172784ND
2012-12-121172784ND
2013-03-27119818617.2 ppb
2013-03-27119818617.2 ppb
2013-06-191218068ND
2013-06-191218068ND
2013-09-18124065667.8 ppb
2013-09-18124065777.4 ppb
2013-09-18124065777.4 ppb
2013-09-18124065667.8 ppb
2013-12-20126501552.5 ppb
2013-12-20126501552.5 ppb
2013-12-20126501649.9 ppb
2013-12-20126501649.9 ppb
2014-02-21127993186.8 ppb
2014-02-21127993080.0 ppb
2014-02-21127993186.8 ppb
2014-02-21127993080.0 ppb
2014-06-16131034971.4 ppb
2014-06-16131034971.4 ppb
2014-06-16131034883.4 ppb
2014-06-16131034883.4 ppb
2014-09-10133294442.5 ppb
2014-09-10133294547.1 ppb
2014-09-10133294547.1 ppb
2014-09-10133294442.5 ppb
2014-12-10L0051815-0238.0 ppb
2014-12-10L0051815-0238.0 ppb
2014-12-10L0051815-01ND
2014-12-10L0051815-01ND
2015-03-11LA4603-239.1 ppb
2015-03-11LA4603-141.2 ppb
2015-03-11LA4603-239.1 ppb
2015-03-11LA4603-141.2 ppb
2015-06-243519472700188.0 ppb
2015-06-243519472700188.0 ppb
2015-06-243519472700277.0 ppb
2015-06-243519472700277.0 ppb
2015-09-11LA11631-26.40 ppb
2015-09-11LA11631-17.10 ppb
2015-09-11LA11631-17.10 ppb
2015-09-11LA11631-26.40 ppb
2015-12-09LA14994-196.9 ppb
2015-12-09LA14994-28.30 ppb
2015-12-09LA14994-28.30 ppb
2015-12-09LA14994-196.9 ppb
2016-03-17LA18489-138.9 ppb
2016-03-17LA18489-229.4 ppb
2016-03-17LA18489-229.4 ppb
2016-03-17LA18489-138.9 ppb
2016-06-08LA21620-286.6 ppb
2016-06-08LA21620-173.8 ppb
2016-06-08LA21620-173.8 ppb
2016-06-08LA21620-286.6 ppb
2016-09-16LA25578-170.1 ppb
2016-09-16LA25578-219.4 ppb
2016-09-16LA25578-219.4 ppb
2016-09-16LA25578-170.1 ppb
2016-12-14LA28608-124.7 ppb
2016-12-14LA28608-124.7 ppb
2016-12-14LA28608-228.1 ppb
2016-12-14LA28608-228.1 ppb
2017-03-223530259801450.7 ppb
2017-03-22353025980151.70 ppb
2017-03-22353025980151.70 ppb
2017-03-223530259801450.7 ppb
2017-06-133531896701557.2 ppb
2017-06-133531896701557.2 ppb
2017-06-133531896701654.4 ppb
2017-06-133531896701654.4 ppb
2017-09-2135337451006110.0 ppb
2017-09-2135337451005113.0 ppb
2017-09-2135337451005113.0 ppb
2017-09-2135337451006110.0 ppb
2017-12-113536335800157.8 ppb
2017-12-113536335800157.8 ppb
2017-12-113536335800229.7 ppb
2017-12-113536335800229.7 ppb