Know Your Environment. Protect Your Health.

Monochloroacetic acid

Reunion Ranch Water Control and Improvement District

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
2018ND10ND
20191.03 ppb41ND - 4.10 ppb
2020ND40ND
2021ND40ND
2022ND40ND
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
2018-05-02AE24752ND
2019-02-11AE53741ND
2019-05-16AE66820ND
2019-07-10AE738394.10 ppb
2019-11-19AE89746ND
2020-02-13AE98380ND
2020-04-13AF06395ND
2020-07-13AF19052ND
2020-11-10AF33835ND
2021-01-13AF39095ND
2021-05-12AF53517ND
2021-07-12AF61311ND
2021-10-07AF72530ND
2022-01-12AF79895ND
2022-04-13AF93129ND
2022-09-29AG15414ND
2022-11-14AG18625ND
2023-02-14AG28794ND
2023-06-20AG44960ND
2023-08-24AG53937ND
2023-11-13AG63331ND