Know Your Environment. Protect Your Health.

Monochloroacetic acid

Horsepen Bayou Municipal Utility District

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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
20192.18 ppb83ND - 7.00 ppb
20200.300 ppb81ND - 2.40 ppb
20210.400 ppb81ND - 3.20 ppb
2022ND80ND
20230.288 ppb81ND - 2.30 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
2018-02-05AE12218ND
2018-02-05AE12203ND
2018-05-03AE25043ND
2018-05-03AE25041ND
2018-08-01AE35240ND
2018-08-01AE35256ND
2018-11-19AE46447ND
2018-11-19AE46452ND
2019-02-20AE55002ND
2019-02-20AE55003ND
2019-05-28AE681817.00 ppb
2019-05-28AE681843.60 ppb
2019-08-14AE78586ND
2019-08-14AE78583ND
2019-10-02AE85499ND
2019-10-02AE855006.80 ppb
2020-02-03AE96532ND
2020-02-03AE96534ND
2020-04-27AF08241ND
2020-04-27AF082422.40 ppb
2020-07-28AF20868ND
2020-07-28AF20891ND
2020-11-23AF35439ND
2020-11-23AF35440ND
2021-03-23AF47843ND
2021-03-23AF47844ND
2021-06-09AF57182ND
2021-06-09AF571833.20 ppb
2021-08-09AF65346ND
2021-08-09AF65350ND
2021-12-06AF77972ND
2021-12-06AF77975ND
2022-01-24AF81254ND
2022-01-24AF81257ND
2022-05-03AF95270ND
2022-05-03AF95284ND
2022-07-11AG03999ND
2022-07-11AG04001ND
2022-12-02AG20677ND
2022-12-02AG20680ND
2023-01-23AG257272.30 ppb
2023-01-23AG25728ND
2023-05-10AG39938ND
2023-05-10AG40003ND
2023-08-15AG52606ND
2023-08-15AG52608ND
2023-10-03AG58222ND
2023-10-03AG58226ND