Know Your Environment. Protect Your Health.

Monochloroacetic acid

City of Hilshire Village

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
20194.65 ppb43ND - 9.00 ppb
20202.30 ppb41ND - 9.20 ppb
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
2018-01-11AE08903ND
2018-04-06AE21674ND
2018-08-06AE35804ND
2018-10-04AE42691ND
2019-02-11AE537192.10 ppb
2019-04-01AE60629ND
2019-07-10AE738537.50 ppb
2019-11-20AE899249.00 ppb
2020-01-13AE931019.20 ppb
2020-04-06AF05621ND
2020-07-20AF19888ND
2020-10-05AF29474ND
2021-03-12AF46806ND
2021-04-05AF48968ND
2021-07-09AF61351ND
2021-10-08AF72874ND
2022-01-10AF79436ND
2022-06-09AG00192ND
2022-09-09AG12373ND
2022-10-03AG15688ND
2023-01-23AG25671ND
2023-04-07AG36023ND
2023-07-07AG47550ND
2023-11-06AG62366ND