Know Your Environment. Protect Your Health.

Monochloroacetic acid

North Wales Water Authority

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.

 

169

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019ND330ND
2020ND320ND
2021ND320ND
2022ND320ND
2023ND320ND

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
2018-11-128113026-01ND
2018-11-128113026-02ND
2018-11-128113026-03ND
2018-11-128113026-04ND
2018-11-128113026-05ND
2018-11-128113026-06ND
2018-11-128113026-07ND
2018-11-128113026-08ND
2019-02-119022940-01ND
2019-02-119022940-02ND
2019-02-119022940-03ND
2019-02-119022940-04ND
2019-02-119022940-05ND
2019-02-119022940-06ND
2019-02-119022940-07ND
2019-02-119022940-08ND
2019-05-139053512-01ND
2019-05-139053512-02ND
2019-05-139053512-03ND
2019-05-139053512-04ND
2019-05-139053512-05ND
2019-05-139053512-06ND
2019-05-139053512-07ND
2019-05-139053512-08ND
2019-08-139083733-01REND
2019-08-139083733-02REND
2019-08-139083733-03REND
2019-08-139083733-04REND
2019-08-139083733-05REND
2019-08-139083733-06REND
2019-08-139083733-07REND
2019-08-139083733-08REND
2019-11-119112952-01REND
2019-11-119112952-02REND
2019-11-119112952-03REND
2019-11-119112952-04ND
2019-11-119112952-05ND
2019-11-119112952-06ND
2019-11-119112952-07REND
2019-11-119112952-08REND
2019-12-039121679-01ND
2020-02-10ND
2020-02-10ND
2020-02-10ND
2020-02-10ND
2020-02-10ND
2020-02-10ND
2020-02-10ND
2020-02-10ND
2020-05-11ND
2020-05-11ND
2020-05-11ND
2020-05-11ND
2020-05-11ND
2020-05-11ND
2020-05-11ND
2020-05-11ND
2020-08-10ND
2020-08-10ND
2020-08-10ND
2020-08-10ND
2020-08-10ND
2020-08-10ND
2020-08-10ND
2020-08-10ND
2020-11-11ND
2020-11-11ND
2020-11-11ND
2020-11-11ND
2020-11-11ND
2020-11-11ND
2020-11-11ND
2020-11-11ND
2021-02-10ND
2021-02-10ND
2021-02-10ND
2021-02-10ND
2021-02-10ND
2021-02-10ND
2021-02-10ND
2021-02-10ND
2021-05-12ND
2021-05-12ND
2021-05-12ND
2021-05-12ND
2021-05-12ND
2021-05-12ND
2021-05-12ND
2021-05-12ND
2021-08-11ND
2021-08-11ND
2021-08-11ND
2021-08-11ND
2021-08-11ND
2021-08-11ND
2021-08-11ND
2021-08-11ND
2021-11-10ND
2021-11-10ND
2021-11-10ND
2021-11-10ND
2021-11-10ND
2021-11-10ND
2021-11-10ND
2021-11-10ND
2022-02-10ND
2022-02-10ND
2022-02-10ND
2022-02-10ND
2022-02-10ND
2022-02-10ND
2022-02-10ND
2022-02-10ND
2022-05-11ND
2022-05-11ND
2022-05-11ND
2022-05-11ND
2022-05-11ND
2022-05-11ND
2022-05-11ND
2022-05-11ND
2022-08-10ND
2022-08-10ND
2022-08-10ND
2022-08-10ND
2022-08-10ND
2022-08-10ND
2022-08-10ND
2022-08-10ND
2022-11-09ND
2022-11-09ND
2022-11-09ND
2022-11-09ND
2022-11-09ND
2022-11-09ND
2022-11-09ND
2022-11-09ND
2023-02-08ND
2023-02-08ND
2023-02-08ND
2023-02-08ND
2023-02-08ND
2023-02-08ND
2023-02-08ND
2023-02-08ND
2023-05-10ND
2023-05-10ND
2023-05-10ND
2023-05-10ND
2023-05-10ND
2023-05-10ND
2023-05-10ND
2023-05-10ND
2023-08-09ND
2023-08-09ND
2023-08-09ND
2023-08-09ND
2023-08-09ND
2023-08-09ND
2023-08-09ND
2023-08-09ND
2023-11-09ND
2023-11-09ND
2023-11-09ND
2023-11-09ND
2023-11-09ND
2023-11-09ND
2023-11-09ND
2023-11-09ND