Know Your Environment. Protect Your Health.

Dichloroacetic acid

Las Flores Water Company

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.

 

44

Samples

0

Samples exceeding legal limit (MCL)

33

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.950 ppb64ND - 1.80 ppb
20190.675 ppb84ND - 1.90 ppb
20201.79 ppb85ND - 3.50 ppb
20211.28 ppb661.000 ppb - 1.70 ppb
20221.50 ppb87ND - 2.30 ppb
20231.56 ppb87ND - 3.00 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
2018-01-08CA1910061_DST_800-2018010808001.80 ppb
2018-01-08CA1910061_DST_801-2018010808201.30 ppb
2018-04-09CA1910061_DST_801-201804090845ND
2018-04-09CA1910061_DST_800-201804090830ND
2018-07-09CA1910061_DST_800-2018070908101.30 ppb
2018-07-09CA1910061_DST_801-2018070908201.30 ppb
2019-01-07CA1910061_DST_801-201901070840ND
2019-01-07CA1910061_DST_800-201901070810ND
2019-04-08CA1910061_DST_800-2019040809001.90 ppb
2019-04-08CA1910061_DST_801-201904080915ND
2019-07-08CA1910061_DST_801-2019070808101.000 ppb
2019-07-08CA1910061_DST_800-201907080800ND
2019-10-07CA1910061_DST_800-2019100706301.30 ppb
2019-10-07CA1910061_DST_801-2019100706401.20 ppb
2020-01-06CA1910061_DST_800-202001060600ND
2020-01-06CA1910061_DST_801-202001060610ND
2020-04-06CA1910061_DST_800-2020040609203.50 ppb
2020-04-06CA1910061_DST_801-202004060930ND
2020-07-06CA1910061_DST_801-2020070608303.10 ppb
2020-07-06CA1910061_DST_800-2020070608203.20 ppb
2020-10-05CA1910061_DST_801-2020100506402.30 ppb
2020-10-05CA1910061_DST_800-2020100506302.20 ppb
2021-04-05CA1910061_DST_800-2021040517001.20 ppb
2021-04-05CA1910061_DST_801-2021040517151.000 ppb
2021-07-06CA1910061_DST_801-2021070607001.10 ppb
2021-07-06CA1910061_DST_800-2021070606501.10 ppb
2021-10-04CA1910061_DST_800-2021100409451.60 ppb
2021-10-04CA1910061_DST_801-2021100410081.70 ppb
2022-01-04CA1910061_DST_800-2022010408341.20 ppb
2022-01-04CA1910061_DST_801-202201040850ND
2022-04-04CA1910061_DST_800-2022040409421.40 ppb
2022-04-04CA1910061_DST_801-2022040408551.40 ppb
2022-07-05CA1910061_DST_801-2022070508201.50 ppb
2022-07-05CA1910061_DST_800-2022070508471.90 ppb
2022-10-03CA1910061_DST_801-2022100310052.30 ppb
2022-10-03CA1910061_DST_800-2022100308492.30 ppb
2023-01-09CA1910061_DST_800-2023010907002.10 ppb
2023-01-09CA1910061_DST_801-2023010907153.00 ppb
2023-04-03CA1910061_DST_801-2023040308371.000 ppb
2023-04-03CA1910061_DST_800-2023040308301.40 ppb
2023-07-03CA1910061_DST_800-2023070309201.10 ppb
2023-07-03CA1910061_DST_801-202307030930ND
2023-10-02CA1910061_DST_800-2023100208502.00 ppb
2023-10-02CA1910061_DST_801-2023100209041.90 ppb