Know Your Environment. Protect Your Health.

Dichloroacetic acid

Sagerton Water Supply Corporation

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)

33

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20182.71 ppb85ND - 8.50 ppb
20199.83 ppb86ND - 26.4 ppb
202010.8 ppb881.000 ppb - 40.0 ppb
20217.45 ppb86ND - 17.1 ppb
20223.75 ppb84ND - 10.9 ppb
20233.09 ppb84ND - 8.50 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
2018-03-01Q18085960025.80 ppb
2018-03-01Q1808596001ND
2018-05-29Q18212240032.80 ppb
2018-05-29Q18212240021.000 ppb
2018-09-11Q18357970023.60 ppb
2018-09-11Q1835797003ND
2018-11-29Q1848742002ND
2018-11-29Q18487420038.50 ppb
2019-02-28Q19087490014.00 ppb
2019-02-28Q190874900326.4 ppb
2019-06-12Q19349480025.40 ppb
2019-06-12Q1934948003ND
2019-08-22Q1958558003ND
2019-08-22Q195855800220.1 ppb
2019-12-10Q197953500210.5 ppb
2019-12-10Q197953500312.2 ppb
2020-03-10Q20095500029.40 ppb
2020-03-10Q200955000310.5 ppb
2020-05-28Q202117600214.7 ppb
2020-05-28Q20211760031.000 ppb
2020-09-14Q20363160028.00 ppb
2020-09-14Q20363160031.000 ppb
2020-12-03Q20484180012.00 ppb
2020-12-03Q204841800240.0 ppb
2021-03-09Q210605900113.1 ppb
2021-03-09Q210605900212.3 ppb
2021-06-08Q211482600113.0 ppb
2021-06-08Q2114826002ND
2021-08-25Q21231920012.40 ppb
2021-08-25Q212319200317.1 ppb
2021-11-15Q21317410021.70 ppb
2021-11-15Q2131741003ND
2022-03-10Q22083910028.90 ppb
2022-03-10Q2208391003ND
2022-05-25Q22151920026.00 ppb
2022-05-25Q2215192003ND
2022-09-08Q22267870024.20 ppb
2022-09-08Q2226787003ND
2022-11-29Q223539300210.9 ppb
2022-11-29Q2235393003ND
2023-03-14Q23100450027.70 ppb
2023-03-14Q2310045003ND
2023-05-17Q23186130028.50 ppb
2023-05-17Q2318613003ND
2023-08-24Q23361870023.40 ppb
2023-08-24Q2336187003ND
2023-11-30Q23510690025.10 ppb
2023-11-30Q2351069003ND