Know Your Environment. Protect Your Health.

Bromoform

City of Opelousas Water System

Bromoform, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromoform 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)

42

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.596 ppb3216ND - 2.50 ppb
20190.377 ppb328ND - 1.90 ppb
20200.441 ppb169ND - 1.40 ppb
20210.293 ppb167ND - 0.900 ppb
20220.595 ppb168ND - 3.30 ppb
20230.196 ppb165ND - 0.850 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.5 ppb

The EWG Health Guideline of 0.5 ppb for bromoform is based on 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 cancer, harm to reproduction and child development, and change to fetal growth and development .

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-02353718940010.800 ppb
2018-02-02353718940021.10 ppb
2018-02-0235371894003ND
2018-02-0235371894004ND
2018-02-02353718940010.800 ppb
2018-02-02353718940021.10 ppb
2018-02-0235371894003ND
2018-02-0235371894004ND
2018-05-29353949320011.000 ppb
2018-05-29353949320022.20 ppb
2018-05-2935394932003ND
2018-05-2935394932004ND
2018-05-29353949320011.000 ppb
2018-05-29353949320022.20 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
2018-11-15354320590011.000 ppb
2018-11-15354320590022.50 ppb
2018-11-15354320590030.500 ppb
2018-11-15354320590040.440 ppb
2018-11-15354320590011.000 ppb
2018-11-15354320590022.50 ppb
2018-11-15354320590030.500 ppb
2018-11-15354320590040.440 ppb
2019-02-1435449051001ND
2019-02-14354490510021.90 ppb
2019-02-1435449051003ND
2019-02-1435449051004ND
2019-02-1435449051001ND
2019-02-14354490510021.90 ppb
2019-02-1435449051003ND
2019-02-1435449051004ND
2019-05-15354694710010.630 ppb
2019-05-15354694710021.60 ppb
2019-05-1535469471003ND
2019-05-1535469471004ND
2019-05-15354694710010.630 ppb
2019-05-15354694710021.60 ppb
2019-05-1535469471003ND
2019-05-1535469471004ND
2019-08-0135487151001ND
2019-08-01354871510021.90 ppb
2019-08-0135487151003ND
2019-08-0135487151004ND
2019-08-0135487151001ND
2019-08-01354871510021.90 ppb
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
2020-02-2735534029001ND
2020-02-27355340290020.910 ppb
2020-02-2735534029003ND
2020-02-2735534029004ND
2020-05-21355520710010.590 ppb
2020-05-21355520710021.10 ppb
2020-05-21355520710030.390 ppb
2020-05-21355520710040.330 ppb
2020-08-21355726730010.740 ppb
2020-08-21355726730021.40 ppb
2020-08-2135572673003ND
2020-08-2135572673004ND
2020-11-06355904720010.850 ppb
2020-11-06355904720020.740 ppb
2020-11-0635590472003ND
2020-11-0635590472004ND
2021-02-05356100590010.460 ppb
2021-02-05356100590020.660 ppb
2021-02-0535610059003ND
2021-02-0535610059004ND
2021-05-07356316980010.900 ppb
2021-05-07356316980020.850 ppb
2021-05-0735631698003ND
2021-05-0735631698004ND
2021-09-2235665896001ND
2021-09-2235665896002ND
2021-09-22356658960030.630 ppb
2021-09-2235665896004ND
2021-11-03356766010010.480 ppb
2021-11-03356766010020.710 ppb
2021-11-0335676601003ND
2021-11-0335676601004ND
2022-02-03356952670010.430 ppb
2022-02-0335695267002ND
2022-02-0335695267003ND
2022-02-0335695267004ND
2022-05-12357178610013.30 ppb
2022-05-12357178610021.000 ppb
2022-05-12357178610030.400 ppb
2022-05-1235717861004ND
2022-08-11357407040010.590 ppb
2022-08-11357407040020.900 ppb
2022-08-1135740704003ND
2022-08-1135740704004ND
2022-11-0335758153001ND
2022-11-03357581530021.70 ppb
2022-11-03357581530031.20 ppb
2022-11-0335758153004ND
2023-02-03357769260010.760 ppb
2023-02-0335776926002ND
2023-02-0335776926003ND
2023-02-0335776926004ND
2023-05-05357977200010.530 ppb
2023-05-05357977200020.610 ppb
2023-05-05357977200030.380 ppb
2023-05-0535797720004ND
2023-08-0935820265001ND
2023-08-0935820265002ND
2023-08-0935820265003ND
2023-08-0935820265004ND
2023-11-0935840878001ND
2023-11-09358408780020.850 ppb
2023-11-0935840878003ND
2023-11-0935840878004ND