Know Your Environment. Protect Your Health.

Dichloroacetic acid

Villages of Bocage- Madisonville

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.

 

64

Samples

0

Samples exceeding legal limit (MCL)

37

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.739 ppb1612ND - 1.70 ppb
20190.735 ppb16160.610 ppb - 0.960 ppb
20200.101 ppb82ND - 0.500 ppb
20210.158 ppb82ND - 0.820 ppb
20220.425 ppb84ND - 1.20 ppb
20232.28 ppb81ND - 18.2 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.2 ppb

The EWG Health Guideline of 0.2 ppb for dichloroacetic acid was defined by the California Office of Environmental Health Hazard Assessment's public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer and harm to reproduction and child development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-0235371897001ND
2018-02-0235371897002ND
2018-02-0235371897002ND
2018-02-0235371897001ND
2018-05-03353903220020.990 ppb
2018-05-03353903220010.980 ppb
2018-05-03353903220020.990 ppb
2018-05-03353903220010.980 ppb
2018-08-01354082730011.70 ppb
2018-08-01354082730021.50 ppb
2018-08-01354082730011.70 ppb
2018-08-01354082730021.50 ppb
2018-11-15354322770010.370 ppb
2018-11-15354322770010.370 ppb
2018-11-15354322770020.370 ppb
2018-11-15354322770020.370 ppb
2019-02-21354500290010.620 ppb
2019-02-21354500290020.640 ppb
2019-02-21354500290010.620 ppb
2019-02-21354500290020.640 ppb
2019-05-08354682940010.740 ppb
2019-05-08354682940020.730 ppb
2019-05-08354682940010.740 ppb
2019-05-08354682940020.730 ppb
2019-08-07354884540020.730 ppb
2019-08-07354884540010.960 ppb
2019-08-07354884540010.960 ppb
2019-08-07354884540020.730 ppb
2019-11-15355128710010.850 ppb
2019-11-15355128710020.610 ppb
2019-11-15355128710020.610 ppb
2019-11-15355128710010.850 ppb
2020-02-07355295090020.310 ppb
2020-02-07355295090010.500 ppb
2020-05-0835548829001ND
2020-05-0835548829002ND
2020-08-1335570704001ND
2020-08-1335570704002ND
2020-11-0635590520001ND
2020-11-0635590520002ND
2021-02-0535610009001ND
2021-02-0535610009002ND
2021-05-0735631657001ND
2021-05-0735631657002ND
2021-08-06356537870010.820 ppb
2021-08-06356537870020.440 ppb
2021-11-0535676310001ND
2021-11-0535676310002ND
2022-02-11356965850020.750 ppb
2022-02-11356965850010.750 ppb
2022-05-06357159290020.700 ppb
2022-05-06357159290011.20 ppb
2022-08-0335737001009ND
2022-08-0335737001010ND
2022-11-0435758185001ND
2022-11-0435758185002ND
2023-02-0335776978001ND
2023-02-0335776978002ND
2023-05-0535797780001ND
2023-05-0535797780002ND
2023-08-0435818388001ND
2023-08-0435818388002ND
2023-11-0335839347001ND
2023-11-033583934700218.2 ppb