Know Your Environment. Protect Your Health.

Monochloroacetic acid

Sundance Addition

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.15 ppb221.10 ppb - 1.20 ppb
2019ND20ND
2020ND20ND
20210.750 ppb21ND - 1.50 ppb
2022ND20ND
20233.10 ppb222.10 ppb - 4.10 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
2018-06-19Q18243130011.20 ppb
2018-06-19Q18243130021.10 ppb
2019-09-09Q1962975014ND
2019-09-09Q1962975015ND
2020-07-22Q2028870012ND
2020-07-22Q2028870013ND
2021-09-09Q21246280011.50 ppb
2021-09-09Q2124628002ND
2022-09-26Q2228779001ND
2022-09-26Q2228779002ND
2023-05-18Q23187810012.10 ppb
2023-05-18Q23187810024.10 ppb