Know Your Environment. Protect Your Health.

Monochloroacetic acid

Aqua Pa Bristol

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
20180.706 ppb164ND - 4.60 ppb
20190.625 ppb166ND - 2.30 ppb
20200.519 ppb165ND - 2.40 ppb
20210.194 ppb161ND - 3.10 ppb
20221.45 ppb1610ND - 7.00 ppb
20230.619 ppb164ND - 2.70 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
2018-01-05AF72957ND
2018-01-05AF723954.60 ppb
2018-01-05AF72960ND
2018-01-05AF72963ND
2018-04-06AF80725ND
2018-04-06AF80724ND
2018-04-06AF80721ND
2018-04-06AF80727ND
2018-07-31AF911772.00 ppb
2018-07-31AF911752.30 ppb
2018-07-31AF911782.40 ppb
2018-07-31AF91176ND
2018-10-05AF97620ND
2018-10-05AF97625ND
2018-10-05AF97618ND
2018-10-05AF97619ND
2019-01-04AG05449ND
2019-01-04AG05447ND
2019-01-04AG05458ND
2019-01-04AG05448ND
2019-04-05AG13466ND
2019-04-05AG13456ND
2019-04-05AG13455ND
2019-04-05AG13454ND
2019-07-05AG225321.10 ppb
2019-07-05AG225311.30 ppb
2019-07-05AG225431.30 ppb
2019-07-05AG22533ND
2019-10-04AG347812.00 ppb
2019-10-04AG347932.00 ppb
2019-10-04AG34783ND
2019-10-04AG347822.30 ppb
2020-01-03ND
2020-01-03ND
2020-01-03ND
2020-01-03ND
2020-04-03ND
2020-04-03ND
2020-04-03ND
2020-04-03ND
2020-07-011.40 ppb
2020-07-011.40 ppb
2020-07-01ND
2020-07-011.50 ppb
2020-10-021.60 ppb
2020-10-02ND
2020-10-02ND
2020-10-022.40 ppb
2021-01-05ND
2021-01-05ND
2021-01-05ND
2021-01-053.10 ppb
2021-04-06ND
2021-04-06ND
2021-04-06ND
2021-04-06ND
2021-07-02ND
2021-07-02ND
2021-07-02ND
2021-07-02ND
2021-10-01ND
2021-10-01ND
2021-10-01ND
2021-10-01ND
2022-01-071.60 ppb
2022-01-071.60 ppb
2022-01-071.40 ppb
2022-01-071.70 ppb
2022-04-011.30 ppb
2022-04-011.10 ppb
2022-04-011.20 ppb
2022-04-011.10 ppb
2022-07-01ND
2022-07-017.00 ppb
2022-07-01ND
2022-07-015.20 ppb
2022-10-04ND
2022-10-04ND
2022-10-04ND
2022-10-04ND
2023-01-13ND
2023-01-13ND
2023-01-13ND
2023-01-13ND
2023-04-07ND
2023-04-07ND
2023-04-07ND
2023-04-07ND
2023-07-072.70 ppb
2023-07-072.10 ppb
2023-07-072.40 ppb
2023-07-072.70 ppb
2023-10-13ND
2023-10-13ND
2023-10-13ND
2023-10-13ND