Know Your Environment. Protect Your Health.

Monochloroacetic acid

Lake Bruin Water District #1

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.

 

64

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.24 ppb1610ND - 4.00 ppb
20191.24 ppb1614ND - 2.10 ppb
20200.419 ppb83ND - 1.40 ppb
2021ND80ND
20220.900 ppb84ND - 2.40 ppb
20230.275 ppb82ND - 1.10 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
2018-02-1635375145001ND
2018-02-1635375145002ND
2018-02-1635375145002ND
2018-02-1635375145001ND
2018-05-21353939250021.40 ppb
2018-05-21353939250011.30 ppb
2018-05-21353939250021.40 ppb
2018-05-21353939250011.30 ppb
2018-08-01354087950014.00 ppb
2018-08-0135408795002ND
2018-08-01354087950014.00 ppb
2018-08-0135408795002ND
2018-11-07354304450011.60 ppb
2018-11-07354304450011.60 ppb
2018-11-07354304450021.60 ppb
2018-11-07354304450021.60 ppb
2019-02-11354484230012.10 ppb
2019-02-11354484230022.00 ppb
2019-02-11354484230012.10 ppb
2019-02-11354484230022.00 ppb
2019-05-01354658910011.10 ppb
2019-05-0135465891002ND
2019-05-01354658910011.10 ppb
2019-05-0135465891002ND
2019-08-01354871750020.940 ppb
2019-08-01354871750011.40 ppb
2019-08-01354871750011.40 ppb
2019-08-01354871750020.940 ppb
2019-11-04355109170011.10 ppb
2019-11-04355109170021.30 ppb
2019-11-04355109170021.30 ppb
2019-11-04355109170011.10 ppb
2020-02-0335528908002ND
2020-02-0335528908001ND
2020-05-0435548679001ND
2020-05-0435548679002ND
2020-08-03355687960010.950 ppb
2020-08-0335568796002ND
2020-11-19355940770011.40 ppb
2020-11-19355940770021.000 ppb
2021-02-2635615721001ND
2021-02-2635615721002ND
2021-05-2135636227001ND
2021-05-2135636227002ND
2021-08-0335654142001ND
2021-08-0335654142002ND
2021-11-1035678854001ND
2021-11-1035678854002ND
2022-02-1535698460002ND
2022-02-1535698460001ND
2022-05-02357162680022.40 ppb
2022-05-02357162680012.40 ppb
2022-08-01357377960011.10 ppb
2022-08-01357377960021.30 ppb
2022-11-1435761584001ND
2022-11-1435761584002ND
2023-02-05357792720011.10 ppb
2023-02-05357792720021.10 ppb
2023-05-0135797761001ND
2023-05-0135797761002ND
2023-08-1435822626001ND
2023-08-1435822626002ND
2023-11-0635841749001ND
2023-11-0635841749002ND