Know Your Environment. Protect Your Health.

Monochloroacetic acid

Sevier County Water 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.

 

50

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.613 ppb82ND - 2.50 ppb
20190.275 ppb81ND - 2.20 ppb
20201.60 ppb84ND - 4.10 ppb
2021ND100ND
2022ND80ND
20230.576 ppb82ND - 2.34 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
2018-02-0618039001301ND
2018-02-0618039001201ND
2018-05-21181440051012.40 ppb
2018-05-21181440054012.50 ppb
2018-09-1718263000701ND
2018-09-1718263000801ND
2018-11-1418319003901ND
2018-11-1418319003801ND
2019-02-0419038002201ND
2019-02-0419038002301ND
2019-05-1519136010501ND
2019-05-1519136010401ND
2019-08-0619220008701ND
2019-08-0619220008601ND
2019-11-06193110047012.20 ppb
2019-11-0619311004801ND
2020-02-0320037001501ND
2020-02-0320037001601ND
2020-05-20201420078012.20 ppb
2020-05-2020142007901ND
2020-09-08202540069014.10 ppb
2020-09-08202540070013.20 ppb
2020-12-01203370027013.30 ppb
2020-12-0120337002401ND
2021-03-0121063008801ND
2021-03-0121063008901ND
2021-05-2421147007301ND
2021-05-2421147007001ND
2021-09-0621252000701ND
2021-09-0621252000801ND
2021-09-2721273000501ND
2021-09-2721273000601ND
2021-11-0121308003801ND
2021-11-0121308003901ND
2022-01-3122033008501ND
2022-01-3122033009601ND
2022-05-03O197636-HAA-1ND
2022-05-03O197635-HAA-1ND
2022-08-02O200321-HAA-1ND
2022-08-02O200320-HAA-1ND
2022-10-31O203517-HAA-1ND
2022-10-31O203518-HAA-1ND
2023-02-06O206094-HAA-1ND
2023-02-06O206095-HAA-1ND
2023-05-03O208728-HAA-12.27 ppb
2023-05-03O208727-HAA-12.34 ppb
2023-08-01O211168-HAA-1ND
2023-08-01O211167-HAA-1ND
2023-11-07O213739-HAA-1ND
2023-11-07O213738-HAA-1ND