Know Your Environment. Protect Your Health.

Bromoform

Pa-american Water-brownsville

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.

 

96

Samples

0

Samples exceeding legal limit (MCL)

26

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND160ND
20190.131 ppb162ND - 1.50 ppb
20202.48 ppb168ND - 12.6 ppb
20210.988 ppb168ND - 3.40 ppb
20220.0688 ppb162ND - 0.600 ppb
20230.400 ppb167ND - 1.30 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
2018-02-0538548801ND
2018-02-0538549901ND
2018-02-0538549301ND
2018-02-0538550001ND
2018-05-0239399601ND
2018-05-0239398701ND
2018-05-0239399101ND
2018-05-0239399701ND
2018-08-0240665301ND
2018-08-0240664201ND
2018-08-0240665401ND
2018-08-0240664701ND
2018-11-0541775501ND
2018-11-0541775401ND
2018-11-0541774901ND
2018-11-0541774701ND
2019-02-0442862101ND
2019-02-0442861901ND
2019-02-0442862301ND
2019-02-0442862001ND
2019-05-0244026701ND
2019-05-0244026601ND
2019-05-0244026501ND
2019-05-0244026801ND
2019-08-0545844801ND
2019-08-0545844701ND
2019-08-0545845001ND
2019-08-0545844901ND
2019-11-04473749011.50 ppb
2019-11-04473748010.600 ppb
2019-11-0447374701ND
2019-11-0447374601ND
2020-02-03ND
2020-02-03ND
2020-02-03ND
2020-02-03ND
2020-05-04ND
2020-05-04ND
2020-05-04ND
2020-05-04ND
2020-08-033.20 ppb
2020-08-032.50 ppb
2020-08-032.40 ppb
2020-08-032.80 ppb
2020-11-0212.6 ppb
2020-11-022.70 ppb
2020-11-021.80 ppb
2020-11-0211.7 ppb
2021-02-02ND
2021-02-02ND
2021-02-02ND
2021-02-02ND
2021-05-03ND
2021-05-03ND
2021-05-03ND
2021-05-03ND
2021-08-031.50 ppb
2021-08-032.00 ppb
2021-08-031.10 ppb
2021-08-031.50 ppb
2021-11-022.00 ppb
2021-11-022.80 ppb
2021-11-021.50 ppb
2021-11-023.40 ppb
2022-02-02ND
2022-02-02ND
2022-02-02ND
2022-02-02ND
2022-05-040.500 ppb
2022-05-04ND
2022-05-040.600 ppb
2022-05-04ND
2022-08-02ND
2022-08-02ND
2022-08-02ND
2022-08-02ND
2022-11-02ND
2022-11-02ND
2022-11-02ND
2022-11-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-02-02ND
2023-05-030.900 ppb
2023-05-031.30 ppb
2023-05-031.20 ppb
2023-05-031.10 ppb
2023-08-020.600 ppb
2023-08-02ND
2023-08-020.600 ppb
2023-08-020.700 ppb
2023-11-02ND
2023-11-02ND
2023-11-02ND
2023-11-02ND