Know Your Environment. Protect Your Health.

Monochloroacetic acid

Crowley Water System (LAWCO)

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.

 

130

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND340ND
20190.193 ppb326ND - 1.10 ppb
2020ND160ND
20210.206 ppb163ND - 1.20 ppb
20220.306 ppb163ND - 1.80 ppb
20230.0938 ppb161ND - 1.50 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
2018-02-0135371892001ND
2018-02-0135371892002ND
2018-02-0135371892003ND
2018-02-0135371892004ND
2018-02-0135371892001ND
2018-02-0135371892002ND
2018-02-0135371892003ND
2018-02-0135371892004ND
2018-05-1635393206001ND
2018-05-1635393206002ND
2018-05-1635393206003ND
2018-05-1635393206004ND
2018-05-1635393206001ND
2018-05-1635393206002ND
2018-05-1635393206003ND
2018-05-1635393206004ND
2018-08-2435413453001ND
2018-08-2435413453002ND
2018-08-2435413453003ND
2018-08-2435413453004ND
2018-08-2435413453001ND
2018-08-2435413453002ND
2018-08-2435413453003ND
2018-08-2435413453004ND
2018-08-3035414732001ND
2018-08-3035414732001ND
2018-11-0135428222001ND
2018-11-0135428222002ND
2018-11-0135428222003ND
2018-11-0135428222004ND
2018-11-0135428222001ND
2018-11-0135428222002ND
2018-11-0135428222003ND
2018-11-0135428222004ND
2019-02-2535450797001ND
2019-02-25354507970020.990 ppb
2019-02-2535450797003ND
2019-02-2535450797001ND
2019-02-25354507970020.990 ppb
2019-02-2535450797003ND
2019-03-0735453381001ND
2019-03-0735453381001ND
2019-05-0235466139001ND
2019-05-0235466139002ND
2019-05-0235466139003ND
2019-05-0235466139004ND
2019-05-0235466139001ND
2019-05-0235466139002ND
2019-05-0235466139003ND
2019-05-0235466139004ND
2019-08-0135487152001ND
2019-08-0135487152002ND
2019-08-01354871520031.000 ppb
2019-08-01354871520041.10 ppb
2019-08-0135487152001ND
2019-08-0135487152002ND
2019-08-01354871520031.000 ppb
2019-08-01354871520041.10 ppb
2019-11-1435512856001ND
2019-11-1435512856002ND
2019-11-1435512856003ND
2019-11-1435512856004ND
2019-11-1435512856001ND
2019-11-1435512856002ND
2019-11-1435512856003ND
2019-11-1435512856004ND
2020-02-2735534028001ND
2020-02-2735534028002ND
2020-02-2735534028003ND
2020-02-2735534028004ND
2020-05-1435550566001ND
2020-05-1435550566002ND
2020-05-1435550566003ND
2020-05-1435550566004ND
2020-08-2035572684001ND
2020-08-2035572684002ND
2020-08-2035572684003ND
2020-08-2035572684004ND
2020-11-0935591340001ND
2020-11-0935591340002ND
2020-11-0935591340003ND
2020-11-0935591340004ND
2021-02-0435610060001ND
2021-02-0435610060002ND
2021-02-0435610060003ND
2021-02-0435610060004ND
2021-05-1335633827001ND
2021-05-1335633827002ND
2021-05-1335633827003ND
2021-05-1335633827004ND
2021-08-1235655826001ND
2021-08-1235655826002ND
2021-08-1235655826003ND
2021-08-1235655826004ND
2021-11-0435676597001ND
2021-11-04356765980011.20 ppb
2021-11-04356765980021.000 ppb
2021-11-04356765980031.10 ppb
2022-02-1135696699001ND
2022-02-1135696699002ND
2022-02-1135696699003ND
2022-02-1135696699004ND
2022-05-2535721066001ND
2022-05-25357210660021.40 ppb
2022-05-25357210660031.70 ppb
2022-05-25357210660041.80 ppb
2022-08-0435737408003ND
2022-08-0435737408004ND
2022-08-0435737408005ND
2022-08-0435737408006ND
2022-11-0735758884001ND
2022-11-0735758884002ND
2022-11-0735758884003ND
2022-11-0735758884004ND
2023-02-0335776925001ND
2023-02-0335776925002ND
2023-02-0335776925003ND
2023-02-0335776925004ND
2023-05-0435797735001ND
2023-05-0435797735002ND
2023-05-0435797735003ND
2023-05-0435797735004ND
2023-08-0935819899001ND
2023-08-0935819899002ND
2023-08-0935819899003ND
2023-08-09358198990041.50 ppb
2023-11-0835840548001ND
2023-11-0835840548002ND
2023-11-0835840548003ND
2023-11-0835840548004ND