Know Your Environment. Protect Your Health.

Monochloroacetic acid

Gary 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
20183.86 ppb84ND - 10.6 ppb
20191.89 ppb82ND - 7.60 ppb
2020ND80ND
20211.83 ppb82ND - 10.5 ppb
2022ND80ND
20234.41 ppb86ND - 13.2 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
2018-02-14Q1806324003ND
2018-02-14Q1806324002ND
2018-05-09Q18188600119.00 ppb
2018-05-09Q18188600045.00 ppb
2018-08-23Q1833942001ND
2018-08-23Q1833942002ND
2018-11-06Q184440000110.6 ppb
2018-11-06Q18444000026.30 ppb
2019-02-05Q19052100017.60 ppb
2019-02-05Q19052100027.50 ppb
2019-04-30Q1917250001ND
2019-04-30Q1917250006ND
2019-08-26Q1959264002ND
2019-08-26Q1959264001ND
2019-12-17Q1980329001ND
2019-12-17Q1980329002ND
2020-03-05Q2008346006ND
2020-03-05Q2008346007ND
2020-05-27Q2020834001ND
2020-05-27Q2020834002ND
2020-09-01Q2035104001ND
2020-09-01Q2035104002ND
2020-12-02Q2048009001ND
2020-12-02Q2048009002ND
2021-02-24Q2104965001ND
2021-02-24Q2104965002ND
2021-04-29Q2110981009ND
2021-04-29Q2110981011ND
2021-09-22Q212599100110.5 ppb
2021-09-22Q21259910024.10 ppb
2021-12-02Q2133319001ND
2021-12-02Q2133319002ND
2022-02-01Q2203641004ND
2022-02-01Q2203641005ND
2022-05-17Q2214531001ND
2022-05-17Q2214531002ND
2022-08-22Q2224783001ND
2022-08-22Q2224783002ND
2022-11-03Q2233348001ND
2022-11-03Q2233348002ND
2023-02-16Q2306540001ND
2023-02-16Q2306540002ND
2023-05-23Q23194070011.20 ppb
2023-05-23Q23194070025.50 ppb
2023-08-03Q233169400113.2 ppb
2023-08-03Q23316940023.30 ppb
2023-11-10Q23483920017.00 ppb
2023-11-10Q23483920025.10 ppb