Know Your Environment. Protect Your Health.

Monochloroacetic acid

Blackjack Water Supply Corporation

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.

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.38 ppb43ND - 2.70 ppb
20190.663 ppb83ND - 2.50 ppb
20200.375 ppb83ND - 1.000 ppb
20211.13 ppb64ND - 2.80 ppb
2022ND20ND
20231.30 ppb221.30 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
2018-08-16Q18328960021.30 ppb
2018-08-16Q18328960012.70 ppb
2018-10-30Q1843883001ND
2018-10-30Q18438830021.50 ppb
2019-03-21Q19119650011.30 ppb
2019-03-21Q19119650021.50 ppb
2019-05-21Q19270300112.50 ppb
2019-05-21Q1927030012ND
2019-09-23Q1968475001ND
2019-09-23Q1968475002ND
2019-11-25Q1978275001ND
2019-11-25Q1978275002ND
2020-03-09Q2008429009ND
2020-03-09Q2008429010ND
2020-05-07Q2018092002ND
2020-05-07Q20180920011.000 ppb
2020-07-30Q20299030011.000 ppb
2020-07-30Q20299030021.000 ppb
2020-12-11Q2049435001ND
2020-12-11Q2049435002ND
2021-03-04Q21058060011.10 ppb
2021-03-04Q21058060021.40 ppb
2021-06-10Q21152630012.80 ppb
2021-06-10Q2115263002ND
2021-09-29Q2126705015ND
2021-09-29Q21267050161.50 ppb
2022-06-13Q2216378004ND
2022-06-13Q2216378005ND
2023-07-13Q23275640011.30 ppb
2023-07-13Q23275640021.30 ppb