Know Your Environment. Protect Your Health.

Monochloroacetic acid

Hillburn Village

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.

 

32

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019ND20ND
20200.533 ppb41ND - 2.13 ppb
2021ND80ND
2022ND60ND
2023ND40ND

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
2018-02-26DW-89463ND
2018-02-26DW-89461ND
2018-05-31DW-90702ND
2018-05-31DW-90704ND
2018-08-28DW-92033ND
2018-08-28DW-92031ND
2018-11-14DW-93149ND
2018-11-14DW-93150ND
2019-07-199071202-01ND
2019-09-059090175-01ND
2020-01-140010522-01ND
2020-02-240020913-01ND
2020-05-280051025-01ND
2020-08-260081128-042.13 ppb
2021-02-261030370-02ND
2021-02-261030370-01ND
2021-05-271051328-02ND
2021-05-271051328-03ND
2021-08-251081346-03ND
2021-08-251081346-04ND
2021-11-221111145-03ND
2021-11-221111145-02ND
2022-03-292031429-03ND
2022-03-292031429-02ND
2022-06-292061361-03ND
2022-06-292061361-02ND
2022-11-2822K1404-02ND
2022-11-2822K1400-03ND
2023-07-3123G1803-01ND
2023-07-3123G1807-01ND
2023-11-2723K1697ND
2023-11-2723K1697-02ND