Know Your Environment. Protect Your Health.

Monochloroacetic acid

Pennsylvania American Royersford

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.

 

84

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND160ND
2020ND160ND
20210.131 ppb161ND - 2.10 ppb
2022ND160ND
20230.456 ppb163ND - 2.60 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
2018-10-0841311901ND
2018-10-0841312601ND
2018-10-0841311601ND
2018-10-0841311701ND
2019-01-0842500901ND
2019-01-0842500201ND
2019-01-0842499901ND
2019-01-0842500001ND
2019-04-0843659801ND
2019-04-0843660001ND
2019-04-0843659901ND
2019-04-0843660101ND
2019-07-0845018901ND
2019-07-0845019101ND
2019-07-0845019201ND
2019-07-0845019001ND
2019-10-0946832801ND
2019-10-0946832901ND
2019-10-0946832701ND
2019-10-0946832601ND
2020-01-08ND
2020-01-08ND
2020-01-08ND
2020-01-08ND
2020-04-08ND
2020-04-08ND
2020-04-08ND
2020-04-08ND
2020-07-07ND
2020-07-07ND
2020-07-07ND
2020-07-07ND
2020-10-08ND
2020-10-08ND
2020-10-08ND
2020-10-08ND
2021-01-07ND
2021-01-07ND
2021-01-07ND
2021-01-07ND
2021-04-07ND
2021-04-07ND
2021-04-07ND
2021-04-07ND
2021-07-12ND
2021-07-12ND
2021-07-122.10 ppb
2021-07-12ND
2021-10-07ND
2021-10-07ND
2021-10-07ND
2021-10-07ND
2022-01-10ND
2022-01-10ND
2022-01-10ND
2022-01-10ND
2022-04-07ND
2022-04-07ND
2022-04-07ND
2022-04-07ND
2022-07-11ND
2022-07-11ND
2022-07-11ND
2022-07-11ND
2022-10-10ND
2022-10-10ND
2022-10-10ND
2022-10-10ND
2023-01-09ND
2023-01-09ND
2023-01-09ND
2023-01-09ND
2023-04-10ND
2023-04-10ND
2023-04-10ND
2023-04-10ND
2023-07-07ND
2023-07-07ND
2023-07-072.60 ppb
2023-07-07ND
2023-10-092.60 ppb
2023-10-09ND
2023-10-09ND
2023-10-092.10 ppb