Know Your Environment. Protect Your Health.

Monochloroacetic acid

Dubach Water System

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
20180.363 ppb164ND - 1.60 ppb
20190.325 ppb164ND - 1.40 ppb
20200.325 ppb82ND - 1.60 ppb
20210.538 ppb84ND - 1.30 ppb
20221.01 ppb85ND - 2.20 ppb
20230.850 ppb84ND - 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
2018-03-0835379302001ND
2018-03-0835379302002ND
2018-03-0835379302002ND
2018-03-0835379302001ND
2018-06-1435398690002ND
2018-06-14353986900011.30 ppb
2018-06-1435398690002ND
2018-06-14353986900011.30 ppb
2018-09-11354176170011.60 ppb
2018-09-1135417617002ND
2018-09-11354176170011.60 ppb
2018-09-1135417617002ND
2018-12-1235437320001ND
2018-12-1235437320001ND
2018-12-1235437320002ND
2018-12-1235437320002ND
2019-03-1935456298001ND
2019-03-1935456298002ND
2019-03-1935456298001ND
2019-03-1935456298002ND
2019-06-1235475532001ND
2019-06-12354755320021.40 ppb
2019-06-1235475532001ND
2019-06-12354755320021.40 ppb
2019-09-0635495699002ND
2019-09-06354956990011.20 ppb
2019-09-06354956990011.20 ppb
2019-09-0635495699002ND
2019-12-0935518848001ND
2019-12-0935518848002ND
2019-12-0935518848002ND
2019-12-0935518848001ND
2020-03-1835538792002ND
2020-03-1835538792001ND
2020-06-2435559214001ND
2020-06-2435559214002ND
2020-09-17355790300011.60 ppb
2020-09-17355790300021.000 ppb
2020-12-1035598501001ND
2020-12-1035598501002ND
2021-03-2335621293001ND
2021-03-2335621293002ND
2021-06-04356385510011.000 ppb
2021-06-0435638551002ND
2021-09-16356645730011.10 ppb
2021-09-16356645730021.30 ppb
2021-12-16356849890010.900 ppb
2021-12-1635684989002ND
2022-03-0335701434002ND
2022-03-03357014340011.50 ppb
2022-06-02357224300022.20 ppb
2022-06-0235722430001ND
2022-09-15357476040011.30 ppb
2022-09-15357476040021.30 ppb
2022-12-0135763780001ND
2022-12-01357637800021.80 ppb
2023-03-0135783546001ND
2023-03-0135783546002ND
2023-06-1235806753001ND
2023-06-1235806753002ND
2023-09-14358281250011.20 ppb
2023-09-14358281250021.000 ppb
2023-12-07358470880012.10 ppb
2023-12-07358470880022.50 ppb