Know Your Environment. Protect Your Health.

Monochloroacetic acid

Walsh Ranch Municipal Utility 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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
20191.18 ppb41ND - 4.70 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
2018-01-31AE11546ND
2018-04-13AE22379ND
2018-07-12AE33117ND
2018-10-03AE42487ND
2019-03-20AE59207ND
2019-05-09AE656374.70 ppb
2019-07-23AE75493ND
2019-12-06AE91541ND
2020-03-10AF01966ND
2020-04-16AF06969ND
2020-08-03AF21524ND
2020-10-28AF32386ND
2021-01-28AF41543ND
2021-04-15AF50269ND
2021-07-14AF61873ND
2021-11-15AF76520ND
2022-03-07AF87623ND
2022-04-14AF93344ND
2022-07-14AG04686ND
2022-10-06AG16270ND
2023-01-12AG24342ND
2023-04-11AG36266ND
2023-08-31AG54788ND
2023-11-06AG62352ND