Know Your Environment. Protect Your Health.

Monochloroacetic acid

M E N 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
20180.938 ppb84ND - 2.70 ppb
20190.388 ppb82ND - 1.80 ppb
20200.500 ppb83ND - 2.00 ppb
20210.563 ppb83ND - 2.40 ppb
2022ND80ND
20231.79 ppb881.000 ppb - 2.40 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
2018-02-08Q1805374002ND
2018-02-08Q1805374001ND
2018-04-19Q18161180022.70 ppb
2018-04-19Q18161180012.50 ppb
2018-07-19Q18287960031.10 ppb
2018-07-19Q1828796004ND
2018-10-25Q1842779001ND
2018-10-25Q18427790021.20 ppb
2019-02-07Q19058080021.30 ppb
2019-02-07Q19058080041.80 ppb
2019-04-30Q1917508001ND
2019-04-30Q1917508002ND
2019-08-22Q1958605002ND
2019-08-22Q1958605001ND
2019-11-20Q1977644001ND
2019-11-20Q1977644002ND
2020-02-11Q2005440001ND
2020-02-11Q2005440002ND
2020-04-14Q2014704001ND
2020-04-14Q2014704002ND
2020-08-04Q20303700012.00 ppb
2020-08-04Q20303700021.000 ppb
2020-10-20Q2041061003ND
2020-10-20Q20410610041.000 ppb
2021-01-14Q21010490011.10 ppb
2021-01-14Q2101049002ND
2021-04-05Q2108458001ND
2021-04-05Q21084580021.000 ppb
2021-07-14Q21184510022.40 ppb
2021-07-14Q2118451003ND
2021-10-14Q2128819001ND
2021-10-14Q2128819002ND
2022-03-15Q2208891002ND
2022-03-15Q2208891003ND
2022-05-03Q2213448001ND
2022-05-03Q2213448002ND
2022-08-17Q2224345001ND
2022-08-17Q2224345002ND
2022-11-09Q2233874002ND
2022-11-09Q2233874003ND
2023-01-26Q23037600011.20 ppb
2023-01-26Q23037600022.40 ppb
2023-05-02Q23164800011.50 ppb
2023-05-02Q23164800022.20 ppb
2023-07-31Q23308400032.00 ppb
2023-07-31Q23308400042.40 ppb
2023-11-02Q23470770011.000 ppb
2023-11-02Q23470770021.60 ppb