Know Your Environment. Protect Your Health.

Monochloroacetic acid

Belmont Waterworks Inc.

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
2018ND160ND
20190.300 ppb162ND - 2.40 ppb
20200.638 ppb84ND - 1.50 ppb
20210.688 ppb84ND - 1.60 ppb
20220.428 ppb83ND - 1.50 ppb
20230.700 ppb84ND - 1.90 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
2018-02-2235376447001ND
2018-02-2235376447002ND
2018-02-2235376447002ND
2018-02-2235376447001ND
2018-05-0135389934002ND
2018-05-0135389934001ND
2018-05-0135389934002ND
2018-05-0135389934001ND
2018-08-0635409565001ND
2018-08-0635409565002ND
2018-08-0635409565001ND
2018-08-0635409565002ND
2018-11-2635433607001ND
2018-11-2635433607001ND
2018-11-2635433607002ND
2018-11-2635433607002ND
2019-02-1335448505001ND
2019-02-1335448505002ND
2019-02-1335448505001ND
2019-02-1335448505002ND
2019-05-13354690050012.40 ppb
2019-05-1335469005002ND
2019-05-13354690050012.40 ppb
2019-05-1335469005002ND
2019-08-1435490879002ND
2019-08-1435490879001ND
2019-08-1435490879001ND
2019-08-1435490879002ND
2019-11-1335512659001ND
2019-11-1335512659002ND
2019-11-1335512659002ND
2019-11-1335512659001ND
2020-02-1835532095002ND
2020-02-1835532095001ND
2020-05-11355496520011.20 ppb
2020-05-11355496520021.10 ppb
2020-08-1035569925001ND
2020-08-1035569925002ND
2020-11-18355937920011.50 ppb
2020-11-18355937920021.30 ppb
2021-02-2635615698001ND
2021-02-2635615698002ND
2021-05-10356327450011.40 ppb
2021-05-10356327450021.20 ppb
2021-08-0235652362001ND
2021-08-0235652362002ND
2021-11-08356766900011.30 ppb
2021-11-08356766900021.60 ppb
2022-02-09356965570020.950 ppb
2022-02-0935696557001ND
2022-05-0935716826002ND
2022-05-0935716826001ND
2022-08-0235736676001ND
2022-08-0235736676002ND
2022-11-01357574570011.50 ppb
2022-11-01357574570020.970 ppb
2023-02-0635778194001ND
2023-02-0635778194002ND
2023-05-11357996790011.20 ppb
2023-05-11357996790021.90 ppb
2023-08-11358202340011.40 ppb
2023-08-11358202340021.10 ppb
2023-11-0835840882001ND
2023-11-0835840882002ND