Know Your Environment. Protect Your Health.

Monochloroacetic acid

Bell Water

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.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20188.60 ppb118.60 ppb
2019ND40ND
2020ND40ND
20210.475 ppb41ND - 1.90 ppb
2022ND40ND
202312.3 ppb445.40 ppb - 24.2 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
2018-09-27Q18386750048.60 ppb
2019-03-14Q1910850001ND
2019-06-27Q1940978001ND
2019-09-17Q1966698001ND
2019-12-18Q1980818009ND
2020-03-25Q2012678001ND
2020-06-15Q2023823001ND
2020-09-09Q2036131001ND
2020-12-01Q2047999006ND
2021-03-10Q2106426003ND
2021-06-23Q2116430001ND
2021-09-09Q21246490011.90 ppb
2021-12-17Q2135902001ND
2022-03-02Q2207191001ND
2022-04-20Q2212072009ND
2022-08-03Q2222229001ND
2022-10-25Q2232088001ND
2023-01-12Q23019740019.40 ppb
2023-06-12Q23221020065.40 ppb
2023-09-07Q233860700124.2 ppb
2023-11-30Q235107300110.2 ppb