Know Your Environment. Protect Your Health.

Monochloroacetic acid

Pennsylvania American Water Company Yardley

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.

 

96

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
20190.233 ppb242ND - 3.00 ppb
20200.325 ppb162ND - 2.90 ppb
20210.130 ppb201ND - 2.60 ppb
2022ND160ND
2023ND160ND

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
2018-11-0541758101ND
2018-11-0541758801ND
2018-11-0541758001ND
2018-11-0541758201ND
2019-02-0442846901ND
2019-02-0442846501ND
2019-02-0442846701ND
2019-02-0442846601ND
2019-05-0744007201ND
2019-05-0744007301ND
2019-05-0744007401ND
2019-05-0744007101ND
2019-08-1245816801ND
2019-08-1245817001ND
2019-08-1245816901ND
2019-08-1245816701ND
2019-10-1647442201ND
2019-10-1647442301ND
2019-10-1647442401ND
2019-10-1647442101ND
2019-11-04473562013.00 ppb
2019-11-0447356501ND
2019-11-0447356401ND
2019-11-0447356301ND
2019-12-1647555101ND
2019-12-1647555301ND
2019-12-16475550012.60 ppb
2019-12-1647555201ND
2020-02-04ND
2020-02-04ND
2020-02-04ND
2020-02-04ND
2020-05-06ND
2020-05-06ND
2020-05-06ND
2020-05-06ND
2020-08-05ND
2020-08-05ND
2020-08-05ND
2020-08-052.90 ppb
2020-11-04ND
2020-11-042.30 ppb
2020-11-04ND
2020-11-04ND
2021-02-04ND
2021-02-04ND
2021-02-04ND
2021-02-04ND
2021-05-05ND
2021-05-052.60 ppb
2021-05-05ND
2021-05-05ND
2021-08-04ND
2021-08-04ND
2021-08-04ND
2021-08-04ND
2021-11-04ND
2021-11-04ND
2021-11-04ND
2021-11-04ND
2021-12-06ND
2021-12-06ND
2021-12-06ND
2021-12-06ND
2022-02-03ND
2022-02-03ND
2022-02-03ND
2022-02-03ND
2022-05-04ND
2022-05-04ND
2022-05-04ND
2022-05-04ND
2022-08-04ND
2022-08-04ND
2022-08-04ND
2022-08-04ND
2022-11-03ND
2022-11-03ND
2022-11-03ND
2022-11-03ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-05-04ND
2023-05-04ND
2023-05-04ND
2023-05-04ND
2023-08-03ND
2023-08-03ND
2023-08-03ND
2023-08-03ND
2023-11-06ND
2023-11-06ND
2023-11-06ND
2023-11-06ND