Know Your Environment. Protect Your Health.

Dichloroacetic acid

City of Marlin

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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

42

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201812.3 ppb85ND - 24.9 ppb
201924.7 ppb881.60 ppb - 53.2 ppb
202022.7 ppb881.000 ppb - 70.0 ppb
202113.5 ppb87ND - 29.3 ppb
202212.2 ppb86ND - 22.4 ppb
202320.5 ppb882.40 ppb - 40.8 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
2018-02-13Q180604100712.7 ppb
2018-02-13Q1806041006ND
2018-05-10Q1819251002ND
2018-05-10Q181925100124.9 ppb
2018-08-14Q1832345001ND
2018-08-14Q183234500423.3 ppb
2018-11-27Q184837700113.3 ppb
2018-11-27Q184837700223.8 ppb
2019-03-05Q190966700115.0 ppb
2019-03-05Q19096670028.90 ppb
2019-05-30Q193003800153.2 ppb
2019-05-30Q193003800249.0 ppb
2019-08-27Q195967000444.1 ppb
2019-08-27Q19596700031.70 ppb
2019-12-09Q19792740011.60 ppb
2019-12-09Q197927400223.7 ppb
2020-02-25Q200692800123.8 ppb
2020-02-25Q200692800227.3 ppb
2020-06-03Q20221760068.60 ppb
2020-06-03Q202217600770.0 ppb
2020-09-02Q20351070032.00 ppb
2020-09-02Q203510700412.0 ppb
2020-11-11Q20440500021.000 ppb
2020-11-11Q204405000337.0 ppb
2021-02-02Q2103093005ND
2021-02-02Q210309300623.5 ppb
2021-05-17Q21126370031.30 ppb
2021-05-17Q211263700423.7 ppb
2021-08-18Q21223010041.000 ppb
2021-08-18Q212230100527.4 ppb
2021-10-26Q21301180021.50 ppb
2021-10-26Q213011800329.3 ppb
2022-03-17Q220900000919.5 ppb
2022-03-17Q220900001018.7 ppb
2022-05-31Q2215350002ND
2022-05-31Q221535000322.4 ppb
2022-09-01Q2226097003ND
2022-09-01Q222609700419.5 ppb
2022-11-21Q22349620014.40 ppb
2022-11-21Q223496200212.9 ppb
2023-02-14Q230581400318.3 ppb
2023-02-14Q230581400717.4 ppb
2023-04-25Q231548800128.9 ppb
2023-04-25Q231548800228.2 ppb
2023-07-17Q23277560014.00 ppb
2023-07-17Q232775600240.8 ppb
2023-10-25Q23460240012.40 ppb
2023-10-25Q234602400223.8 ppb