Know Your Environment. Protect Your Health.

Monochloroacetic acid

Miller Grove Water Supply Corporation

Monochloroacetic 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)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20185.15 ppb86ND - 16.0 ppb
20191.19 ppb82ND - 5.60 ppb
20202.33 ppb82ND - 9.40 ppb
20210.138 ppb81ND - 1.10 ppb
2022ND80ND
202310.7 ppb888.90 ppb - 14.3 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 53 ppb

The EWG Health Guideline of 53 ppb for monochloroacetic 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.a public health goal. This health guideline protects against change to fetal growth and development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-06Q1804518002ND
2018-02-06Q1804518001ND
2018-04-12Q181513901816.0 ppb
2018-04-12Q181513900713.7 ppb
2018-07-26Q18298250014.40 ppb
2018-07-26Q18298250021.90 ppb
2018-11-05Q18440330013.90 ppb
2018-11-05Q18440330021.30 ppb
2019-02-28Q1908779001ND
2019-02-28Q1908779002ND
2019-05-13Q19238680015.60 ppb
2019-05-13Q19238680023.90 ppb
2019-09-19Q1967127002ND
2019-09-19Q1967127001ND
2019-11-06Q1975672001ND
2019-11-06Q1975672002ND
2020-03-30Q2012914001ND
2020-03-30Q2012914002ND
2020-05-26Q2020632007ND
2020-05-26Q2020632008ND
2020-07-21Q20288430019.40 ppb
2020-07-21Q20288430029.20 ppb
2020-12-03Q2048461001ND
2020-12-03Q2048461002ND
2021-03-30Q2107952013ND
2021-03-30Q2107952014ND
2021-05-20Q21132760011.10 ppb
2021-05-20Q2113276002ND
2021-09-13Q2124803001ND
2021-09-13Q2124803002ND
2021-11-03Q2130890005ND
2021-11-03Q2130890006ND
2022-02-16Q2205791009ND
2022-02-16Q2205791010ND
2022-04-21Q2212190001ND
2022-04-21Q2212190002ND
2022-07-14Q2220298001ND
2022-07-14Q2220298002ND
2022-10-04Q2230070001ND
2022-10-04Q2230070002ND
2023-02-21Q230704300114.3 ppb
2023-02-21Q230704300210.8 ppb
2023-05-02Q23164740018.90 ppb
2023-05-02Q23164740029.30 ppb
2023-07-18Q232799700410.9 ppb
2023-07-18Q232799700511.3 ppb
2023-10-11Q234340400110.3 ppb
2023-10-11Q23434040029.60 ppb