Know Your Environment. Protect Your Health.

Monochloroacetic acid

Garfield Waterworks

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.

 

45

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20183.02 ppb552.70 ppb - 3.70 ppb
20190.650 ppb82ND - 3.00 ppb
20202.39 ppb87ND - 3.50 ppb
20212.09 ppb85ND - 4.60 ppb
20220.863 ppb82ND - 4.10 ppb
20230.728 ppb82ND - 3.27 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
2018-04-24181160042012.70 ppb
2018-07-23182070045013.70 ppb
2018-07-23182070046012.70 ppb
2018-10-23182980067013.10 ppb
2018-10-23182980069012.90 ppb
2019-01-2219024006801ND
2019-01-2219024007001ND
2019-04-1619108009201ND
2019-04-1619108009001ND
2019-07-16191980039013.00 ppb
2019-08-2619240002001ND
2019-10-15192900086012.20 ppb
2019-10-1519290008401ND
2020-01-2220023010301ND
2020-01-22200230104012.00 ppb
2020-04-14201070094013.10 ppb
2020-04-14201070095012.70 ppb
2020-09-08202540049012.50 ppb
2020-09-08202540048013.50 ppb
2020-10-13202890016012.90 ppb
2020-10-13202890015012.40 ppb
2021-01-12210140123013.30 ppb
2021-01-12210140122013.10 ppb
2021-04-13211050173012.10 ppb
2021-04-1321105017201ND
2021-07-13211960114014.60 ppb
2021-07-13211960115013.60 ppb
2021-10-1221287010101ND
2021-10-1221287010001ND
2022-01-12220140028014.10 ppb
2022-01-12220140029012.80 ppb
2022-04-12O196901-HAA-1ND
2022-04-12O196902-HAA-1ND
2022-07-12O199596-HAA-1ND
2022-07-12O199595-HAA-1ND
2022-10-11O202611-HAA-1ND
2022-10-11O202612-HAA-1ND
2023-01-10O205031-HAA-1ND
2023-01-10O205030-HAA-1ND
2023-04-11O207781-HAA-1ND
2023-04-11O207782-HAA-1ND
2023-07-11O210531-HAA-12.55 ppb
2023-07-11O210532-HAA-13.27 ppb
2023-10-10O212908-HAA-1ND
2023-10-10O212909-HAA-1ND