Know Your Environment. Protect Your Health.

Monochloroacetic acid

Southport, City of

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.

 

42

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
20191.17 ppb62ND - 4.00 ppb
2020ND80ND
20210.625 ppb81ND - 5.00 ppb
20222.13 ppb85ND - 5.00 ppb
20231.50 ppb84ND - 4.00 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
2018-03-0737729_18-08768ND
2018-03-0737729_18-08767ND
2018-06-2037729_18-24958ND
2018-06-2037729_18-24957ND
2019-06-0637729_19-23380ND
2019-06-0637729_19-23381ND
2019-07-0337729_19-279153.00 ppb
2019-07-0337729_19-279164.00 ppb
2019-09-0437729_19-38175ND
2019-09-0437729_19-38177ND
2020-03-0337729_20-08800ND
2020-03-0337729_20-08798ND
2020-06-0337729_20-22734ND
2020-06-0337729_20-22735ND
2020-09-0337729_20-38311ND
2020-09-0337729_20-38312ND
2020-12-0837729_20-52776ND
2020-12-0837729_20-52777ND
2021-03-0537729_21-09279ND
2021-03-0537729_21-09280ND
2021-06-0237729_21-22053ND
2021-06-0237729_21-22052ND
2021-09-0137729_21-37873ND
2021-09-0137729_21-378775.00 ppb
2021-12-0237729_21-53373ND
2021-12-0237729_21-53374ND
2022-03-0437729_22-096593.00 ppb
2022-03-0437729_22-09660ND
2022-06-0237729_22-24625ND
2022-06-0237729_22-246274.00 ppb
2022-09-0937729_22-435775.00 ppb
2022-09-0937729_22-43576ND
2022-12-0737729_22-598343.00 ppb
2022-12-0737729_22-598352.00 ppb
2023-03-0237729_23-105414.00 ppb
2023-03-0237729_23-10542ND
2023-06-0737729_23-28844ND
2023-06-0737729_23-288452.00 ppb
2023-09-0637729_23-49435ND
2023-09-0637729_23-49436ND
2023-12-0637729_23-689762.00 ppb
2023-12-0637729_23-689804.00 ppb