Know Your Environment. Protect Your Health.

Monochloroacetic acid

Tensas Water District Association

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
20181.28 ppb1612ND - 2.60 ppb
20190.813 ppb168ND - 2.40 ppb
20200.288 ppb82ND - 1.20 ppb
20210.663 ppb84ND - 1.50 ppb
20221.25 ppb85ND - 2.60 ppb
20231.24 ppb86ND - 2.50 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
2018-02-0735374043001ND
2018-02-0735374043002ND
2018-02-0735374043002ND
2018-02-0735374043001ND
2018-05-21353939260021.60 ppb
2018-05-21353939260011.40 ppb
2018-05-21353939260021.60 ppb
2018-05-21353939260011.40 ppb
2018-08-01354087830012.60 ppb
2018-08-01354087830021.70 ppb
2018-08-01354087830012.60 ppb
2018-08-01354087830021.70 ppb
2018-11-07354304490011.20 ppb
2018-11-07354304490011.20 ppb
2018-11-07354304490021.70 ppb
2018-11-07354304490021.70 ppb
2019-02-1135448426001ND
2019-02-11354484260022.40 ppb
2019-02-1135448426001ND
2019-02-11354484260022.40 ppb
2019-05-0135465888001ND
2019-05-0135465888002ND
2019-05-0135465888001ND
2019-05-0135465888002ND
2019-08-01354871790021.000 ppb
2019-08-0135487179001ND
2019-08-0135487179001ND
2019-08-01354871790021.000 ppb
2019-11-04355109610011.50 ppb
2019-11-04355109610021.60 ppb
2019-11-04355109610021.60 ppb
2019-11-04355109610011.50 ppb
2020-02-0335528923002ND
2020-02-0335528923001ND
2020-05-0435548676001ND
2020-05-04355486760021.10 ppb
2020-08-0335568795001ND
2020-08-0335568795002ND
2020-11-1935594072001ND
2020-11-19355940720021.20 ppb
2021-02-2635615718001ND
2021-02-2635615718002ND
2021-05-2135636229001ND
2021-05-2735637041001ND
2021-08-03356541350011.40 ppb
2021-08-03356541350021.50 ppb
2021-11-10356788620011.000 ppb
2021-11-10356788620021.40 ppb
2022-02-1535698461002ND
2022-02-1535698461001ND
2022-05-02357162550022.60 ppb
2022-05-0235716255001ND
2022-08-01357377850011.90 ppb
2022-08-01357377850022.40 ppb
2022-11-14357615850011.60 ppb
2022-11-14357615850021.50 ppb
2023-02-05357792740012.50 ppb
2023-02-05357792740022.20 ppb
2023-05-0135797766001ND
2023-05-0135797766002ND
2023-08-14358226270011.30 ppb
2023-08-14358226270021.30 ppb
2023-11-06358417660011.30 ppb
2023-11-06358417660021.30 ppb