Know Your Environment. Protect Your Health.

Monochloroacetic acid

Brandeis Bardin Institute

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND20ND
2020ND20ND
2021ND40ND
20220.500 ppb41ND - 2.00 ppb
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
2018-06-07CA5603301_DST_002-201806071320ND
2019-06-06CA5603301_DST_002-201906061205ND
2019-12-20CA5603301_DST_002-201912200955ND
2020-07-27CA5603301_DST_002-202007270830ND
2020-10-01CA5603301_DST_002-202010011145ND
2021-01-28CA5603301_DST_002-202101281130ND
2021-04-08CA5603301_DST_002-202104081050ND
2021-07-01CA5603301_DST_002-202107011015ND
2021-10-07CA5603301_DST_002-202110071215ND
2022-01-12CA5603301_DST_002-202201121230ND
2022-04-07CA5603301_DST_002-202204070930ND
2022-07-07CA5603301_DST_002-202207071120ND
2022-10-20CA5603301_DST_002-2022102012002.00 ppb
2023-03-14CA5603301_DST_002-202303141150ND
2023-05-04CA5603301_DST_002-202305041045ND
2023-07-06CA5603301_DST_002-202307061100ND
2023-09-27CA5603301_DST_002-202309271130ND