Know Your Environment. Protect Your Health.

Monobromoacetic acid

City of Opelousas Water System

Monobromoacetic 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.

 

128

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.0556 ppb324ND - 0.550 ppb
20190.0231 ppb322ND - 0.370 ppb
20201.82 ppb164ND - 9.20 ppb
2021ND160ND
2022ND160ND
20231.29 ppb167ND - 5.80 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 25 ppb

The EWG Health Guideline of 25 ppb for monobromoacetic 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. This health guideline protects against change to fetal growth and development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-0235371894001ND
2018-02-0235371894002ND
2018-02-0235371894003ND
2018-02-0235371894004ND
2018-02-0235371894001ND
2018-02-0235371894002ND
2018-02-0235371894003ND
2018-02-0235371894004ND
2018-05-29353949320010.340 ppb
2018-05-29353949320020.550 ppb
2018-05-2935394932003ND
2018-05-2935394932004ND
2018-05-29353949320010.340 ppb
2018-05-29353949320020.550 ppb
2018-05-2935394932003ND
2018-05-2935394932004ND
2018-08-2735414265001ND
2018-08-2735414265002ND
2018-08-2735414265003ND
2018-08-2735414265004ND
2018-08-2735414265001ND
2018-08-2735414265002ND
2018-08-2735414265003ND
2018-08-2735414265004ND
2018-11-1535432059001ND
2018-11-1535432059002ND
2018-11-1535432059003ND
2018-11-1535432059004ND
2018-11-1535432059001ND
2018-11-1535432059002ND
2018-11-1535432059003ND
2018-11-1535432059004ND
2019-02-1435449051001ND
2019-02-1435449051002ND
2019-02-1435449051003ND
2019-02-1435449051004ND
2019-02-1435449051001ND
2019-02-1435449051002ND
2019-02-1435449051003ND
2019-02-1435449051004ND
2019-05-1535469471001ND
2019-05-15354694710020.370 ppb
2019-05-1535469471003ND
2019-05-1535469471004ND
2019-05-1535469471001ND
2019-05-15354694710020.370 ppb
2019-05-1535469471003ND
2019-05-1535469471004ND
2019-08-0135487151001ND
2019-08-0135487151002ND
2019-08-0135487151003ND
2019-08-0135487151004ND
2019-08-0135487151001ND
2019-08-0135487151002ND
2019-08-0135487151003ND
2019-08-0135487151004ND
2019-11-0735511085001ND
2019-11-0735511085002ND
2019-11-0735511085003ND
2019-11-0735511085004ND
2019-11-0735511085001ND
2019-11-0735511085002ND
2019-11-0735511085003ND
2019-11-0735511085004ND
2020-02-27355340290016.90 ppb
2020-02-27355340290025.60 ppb
2020-02-27355340290037.40 ppb
2020-02-27355340290049.20 ppb
2020-05-2135552071001ND
2020-05-2135552071002ND
2020-05-2135552071003ND
2020-05-2135552071004ND
2020-08-2135572673001ND
2020-08-2135572673002ND
2020-08-2135572673003ND
2020-08-2135572673004ND
2020-11-0635590472001ND
2020-11-0635590472002ND
2020-11-0635590472003ND
2020-11-0635590472004ND
2021-02-0535610059001ND
2021-02-0535610059002ND
2021-02-0535610059003ND
2021-02-0535610059004ND
2021-05-0735631698001ND
2021-05-0735631698002ND
2021-05-0735631698003ND
2021-05-0735631698004ND
2021-08-1835657574001ND
2021-08-1835657574002ND
2021-08-1835657574003ND
2021-08-1835657574004ND
2021-11-0335676601001ND
2021-11-0335676601002ND
2021-11-0335676601003ND
2021-11-0335676601004ND
2022-02-0335695267001ND
2022-02-0335695267002ND
2022-02-0335695267003ND
2022-02-0335695267004ND
2022-05-1235717861001ND
2022-05-1235717861002ND
2022-05-1235717861003ND
2022-05-1235717861004ND
2022-08-1135740704001ND
2022-08-1135740704002ND
2022-08-1135740704003ND
2022-08-1135740704004ND
2022-11-0335758153001ND
2022-11-0335758153002ND
2022-11-0335758153003ND
2022-11-0335758153004ND
2023-02-0335776926001ND
2023-02-0335776926002ND
2023-02-0335776926003ND
2023-02-0335776926004ND
2023-05-0535797720001ND
2023-05-0535797720002ND
2023-05-05357977200031.30 ppb
2023-05-05357977200041.10 ppb
2023-08-0935820265001ND
2023-08-0935820265002ND
2023-08-0935820265003ND
2023-08-09358202650041.10 ppb
2023-11-09358408780014.90 ppb
2023-11-09358408780021.80 ppb
2023-11-09358408780034.70 ppb
2023-11-09358408780045.80 ppb