Know Your Environment. Protect Your Health.

Monochloroacetic acid

City of Port Angeles

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.

 

80

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND160ND
2019ND160ND
2020N/A00N/A
2021ND160ND
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
2018-01-31ND
2018-01-31ND
2018-01-31ND
2018-01-31ND
2018-04-11ND
2018-04-11ND
2018-04-11ND
2018-04-11ND
2018-07-13ND
2018-07-13ND
2018-07-13ND
2018-07-13ND
2018-10-24ND
2018-10-24ND
2018-10-24ND
2018-11-08ND
2019-01-17ND
2019-01-17ND
2019-01-17ND
2019-01-17ND
2019-04-10ND
2019-04-10ND
2019-04-10ND
2019-04-10ND
2019-07-16ND
2019-07-16ND
2019-07-16ND
2019-07-16ND
2019-10-23ND
2019-10-23ND
2019-10-23ND
2019-10-23ND
2021-03-094090640ND
2021-03-094090634ND
2021-03-094090637ND
2021-03-094090638ND
2021-06-084168804ND
2021-06-084168798ND
2021-06-084168802ND
2021-06-084168800ND
2021-09-144178732ND
2021-09-144178738ND
2021-09-144178746ND
2021-09-144178754ND
2021-12-134221453ND
2021-12-134221455ND
2021-12-134221451ND
2021-12-134221449ND
2022-02-084246154ND
2022-02-084246152ND
2022-02-084246158ND
2022-02-084246156ND
2022-04-124272920ND
2022-04-124272922ND
2022-04-124272918ND
2022-04-124272926ND
2022-07-124316193ND
2022-07-124316191ND
2022-07-124316189ND
2022-07-124316187ND
2022-10-184368422ND
2022-10-184368424ND
2022-10-204368420ND
2022-10-264370371ND
2023-01-244407737ND
2023-01-244407735ND
2023-01-244407731ND
2023-01-244407733ND
2023-05-094457482ND
2023-05-094457488ND
2023-05-094457484ND
2023-05-094457486ND
2023-08-024497026ND
2023-08-024497020ND
2023-08-024497022ND
2023-08-024497024ND
2023-11-074555599ND
2023-11-074555601ND
2023-11-074555605ND
2023-11-074555603ND