Know Your Environment. Protect Your Health.

Dichloroacetic acid

Lake Shreve Estates 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.

 

68

Samples

0

Samples exceeding legal limit (MCL)

48

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.18 ppb168ND - 10.1 ppb
20190.813 ppb2014ND - 2.10 ppb
20201.39 ppb87ND - 3.40 ppb
20211.06 ppb880.450 ppb - 1.70 ppb
20220.855 ppb86ND - 1.60 ppb
20230.745 ppb85ND - 1.90 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
2018-02-1635375107002ND
2018-02-1635375107001ND
2018-02-1635375107002ND
2018-02-1635375107001ND
2018-05-1035392005001ND
2018-05-1035392005002ND
2018-05-1035392005002ND
2018-05-1035392005001ND
2018-08-03354086750011.70 ppb
2018-08-03354086750021.90 ppb
2018-08-03354086750021.90 ppb
2018-08-03354086750011.70 ppb
2018-11-153543219500110.1 ppb
2018-11-15354321950023.70 ppb
2018-11-153543219500110.1 ppb
2018-11-15354321950023.70 ppb
2019-02-26354507850020.650 ppb
2019-02-26354507850010.640 ppb
2019-02-26354507850020.650 ppb
2019-02-26354507850010.640 ppb
2019-05-1035468313001ND
2019-05-1035468313002ND
2019-05-1035468313002ND
2019-05-1035468313001ND
2019-08-01354871870022.10 ppb
2019-08-01354871870022.10 ppb
2019-08-01354871870010.860 ppb
2019-08-01354871870010.860 ppb
2019-08-15354911520021.80 ppb
2019-08-15354911520010.780 ppb
2019-08-15354911520010.780 ppb
2019-08-15354911520021.80 ppb
2019-11-2135514607002ND
2019-11-21355146070011.30 ppb
2019-11-21355146070011.30 ppb
2019-11-2135514607002ND
2020-02-14355311830011.60 ppb
2020-02-1435531183002ND
2020-05-22355520610012.20 ppb
2020-05-22355520610023.40 ppb
2020-08-14355709600010.560 ppb
2020-08-14355709600020.830 ppb
2020-11-30355954060011.20 ppb
2020-11-30355954060021.30 ppb
2021-02-22356153510011.20 ppb
2021-02-22356153510021.30 ppb
2021-05-07356332140010.450 ppb
2021-05-07356332140020.560 ppb
2021-08-27356592860021.30 ppb
2021-08-27356592860011.70 ppb
2021-11-10356768040021.000 ppb
2021-11-10356768040010.950 ppb
2022-02-17356993430010.940 ppb
2022-02-17356993430021.000 ppb
2022-05-2335721022001ND
2022-05-2335721022002ND
2022-08-19357414910021.20 ppb
2022-08-19357414910011.30 ppb
2022-11-07357597960020.800 ppb
2022-11-07357597960011.60 ppb
2023-02-1535780675001ND
2023-02-1535780675002ND
2023-05-25358026180011.60 ppb
2023-05-25358026180021.90 ppb
2023-08-29358246540010.740 ppb
2023-08-29358246540020.720 ppb
2023-11-09358408120011.000 ppb
2023-11-0935840812002ND