Bromoform
Houma Water Treatment Service Area
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.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 0.0431 ppb | 32 | 2 | ND - 0.690 ppb |
| 2019 | 0.0688 ppb | 32 | 2 | ND - 1.10 ppb |
| 2020 | 0.424 ppb | 16 | 6 | ND - 3.20 ppb |
| 2021 | 0.592 ppb | 16 | 12 | ND - 1.70 ppb |
| 2022 | 0.373 ppb | 16 | 10 | ND - 0.820 ppb |
| 2023 | 0.848 ppb | 16 | 10 | ND - 2.10 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 |
|---|---|---|
| 2018-02-01 | 35371683001 | ND |
| 2018-02-01 | 35371683002 | ND |
| 2018-02-01 | 35371683003 | 0.690 ppb |
| 2018-02-01 | 35371683004 | ND |
| 2018-02-01 | 35371683001 | ND |
| 2018-02-01 | 35371683002 | ND |
| 2018-02-01 | 35371683003 | 0.690 ppb |
| 2018-02-01 | 35371683004 | ND |
| 2018-05-03 | 35390211001 | ND |
| 2018-05-03 | 35390211002 | ND |
| 2018-05-03 | 35390211003 | ND |
| 2018-05-03 | 35390211004 | ND |
| 2018-05-03 | 35390211001 | ND |
| 2018-05-03 | 35390211002 | ND |
| 2018-05-03 | 35390211003 | ND |
| 2018-05-03 | 35390211004 | ND |
| 2018-08-01 | 35408231001 | ND |
| 2018-08-01 | 35408231002 | ND |
| 2018-08-01 | 35408231003 | ND |
| 2018-08-01 | 35408231004 | ND |
| 2018-08-01 | 35408231001 | ND |
| 2018-08-01 | 35408231002 | ND |
| 2018-08-01 | 35408231003 | ND |
| 2018-08-01 | 35408231004 | ND |
| 2018-11-07 | 35430034001 | ND |
| 2018-11-07 | 35430034002 | ND |
| 2018-11-07 | 35430034003 | ND |
| 2018-11-07 | 35430034004 | ND |
| 2018-11-07 | 35430034001 | ND |
| 2018-11-07 | 35430034002 | ND |
| 2018-11-07 | 35430034003 | ND |
| 2018-11-07 | 35430034004 | ND |
| 2019-02-05 | 35446748001 | ND |
| 2019-02-05 | 35446748002 | ND |
| 2019-02-05 | 35446748003 | ND |
| 2019-02-05 | 35446748004 | ND |
| 2019-02-05 | 35446748001 | ND |
| 2019-02-05 | 35446748002 | ND |
| 2019-02-05 | 35446748003 | ND |
| 2019-02-05 | 35446748004 | ND |
| 2019-05-01 | 35465623001 | ND |
| 2019-05-01 | 35465623002 | ND |
| 2019-05-01 | 35465623003 | ND |
| 2019-05-01 | 35465623004 | ND |
| 2019-05-01 | 35465623001 | ND |
| 2019-05-01 | 35465623002 | ND |
| 2019-05-01 | 35465623003 | ND |
| 2019-05-01 | 35465623004 | ND |
| 2019-08-01 | 35487281001 | ND |
| 2019-08-01 | 35487281002 | ND |
| 2019-08-01 | 35487281003 | 1.10 ppb |
| 2019-08-01 | 35487281004 | ND |
| 2019-08-01 | 35487281001 | ND |
| 2019-08-01 | 35487281002 | ND |
| 2019-08-01 | 35487281003 | 1.10 ppb |
| 2019-08-01 | 35487281004 | ND |
| 2019-11-07 | 35510945001 | ND |
| 2019-11-07 | 35510945002 | ND |
| 2019-11-07 | 35510945003 | ND |
| 2019-11-07 | 35510945004 | ND |
| 2019-11-07 | 35510945001 | ND |
| 2019-11-07 | 35510945002 | ND |
| 2019-11-07 | 35510945003 | ND |
| 2019-11-07 | 35510945004 | ND |
| 2020-02-12 | 35530709001 | ND |
| 2020-02-12 | 35530709002 | ND |
| 2020-02-12 | 35530709003 | ND |
| 2020-02-12 | 35530709004 | ND |
| 2020-05-01 | 35547156001 | ND |
| 2020-05-01 | 35547156002 | ND |
| 2020-05-01 | 35547156003 | ND |
| 2020-05-01 | 35547156004 | ND |
| 2020-08-06 | 35568817005 | ND |
| 2020-08-06 | 35568817006 | 0.550 ppb |
| 2020-08-06 | 35568817007 | 0.400 ppb |
| 2020-08-06 | 35568817008 | 0.520 ppb |
| 2020-11-10 | 35591332001 | ND |
| 2020-11-10 | 35591332002 | 0.410 ppb |
| 2020-11-10 | 35591332003 | 3.20 ppb |
| 2020-11-10 | 35591332004 | 1.70 ppb |
| 2021-02-04 | 35609894001 | ND |
| 2021-02-04 | 35609894002 | ND |
| 2021-02-04 | 35609894003 | 1.70 ppb |
| 2021-02-04 | 35609894004 | 1.60 ppb |
| 2021-05-07 | 35631653001 | ND |
| 2021-05-07 | 35631653002 | ND |
| 2021-05-07 | 35631653003 | 0.650 ppb |
| 2021-05-07 | 35631653004 | 0.630 ppb |
| 2021-10-29 | 35675828006 | 0.560 ppb |
| 2021-10-29 | 35675828007 | 0.700 ppb |
| 2021-10-29 | 35675828008 | 0.660 ppb |
| 2021-10-29 | 35675828009 | 0.500 ppb |
| 2021-11-04 | 35676586001 | 0.590 ppb |
| 2021-11-04 | 35676586002 | 0.640 ppb |
| 2021-11-04 | 35676586003 | 0.620 ppb |
| 2021-11-04 | 35676586004 | 0.620 ppb |
| 2022-02-03 | 35695242001 | ND |
| 2022-02-03 | 35695242002 | ND |
| 2022-02-03 | 35695242003 | ND |
| 2022-02-03 | 35695242004 | ND |
| 2022-05-05 | 35715780001 | 0.570 ppb |
| 2022-05-05 | 35715780002 | 0.500 ppb |
| 2022-05-05 | 35715780003 | 0.670 ppb |
| 2022-05-05 | 35715780004 | 0.430 ppb |
| 2022-08-11 | 35740944001 | 0.420 ppb |
| 2022-08-11 | 35740944002 | 0.540 ppb |
| 2022-08-11 | 35740944003 | ND |
| 2022-08-11 | 35740944004 | 0.540 ppb |
| 2022-11-03 | 35757769001 | ND |
| 2022-11-03 | 35757769002 | 0.820 ppb |
| 2022-11-03 | 35757769003 | 0.750 ppb |
| 2022-11-03 | 35757769004 | 0.730 ppb |
| 2023-02-02 | 35776749001 | ND |
| 2023-02-02 | 35776749002 | 0.390 ppb |
| 2023-02-02 | 35776749003 | 0.370 ppb |
| 2023-02-02 | 35776749004 | ND |
| 2023-05-04 | 35797438001 | ND |
| 2023-05-04 | 35797438002 | ND |
| 2023-05-04 | 35797438003 | ND |
| 2023-05-04 | 35797438004 | ND |
| 2023-08-04 | 35818347001 | 1.30 ppb |
| 2023-08-04 | 35818347002 | 1.30 ppb |
| 2023-08-04 | 35818347003 | 1.30 ppb |
| 2023-08-04 | 35818347004 | 1.10 ppb |
| 2023-11-02 | 35838978001 | 1.90 ppb |
| 2023-11-02 | 35838978002 | 2.10 ppb |
| 2023-11-02 | 35838978003 | 1.80 ppb |
| 2023-11-02 | 35838978004 | 2.00 ppb |