Know Your Environment. Protect Your Health.

Bromoform

Palos Park

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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

15

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.303 ppb84ND - 0.704 ppb
20190.0641 ppb81ND - 0.513 ppb
2020ND80ND
20210.145 ppb82ND - 0.657 ppb
20220.282 ppb84ND - 0.614 ppb
20230.300 ppb84ND - 0.642 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
2018-02-148022638-01ND
2018-02-148022638-02ND
2018-05-098052165-01ND
2018-05-098052165-02ND
2018-08-238084712-010.623 ppb
2018-08-238084712-020.704 ppb
2018-11-078111750-020.573 ppb
2018-11-078111750-010.526 ppb
2019-02-209023742-02ND
2019-02-209023742-01ND
2019-05-089052292-01ND
2019-05-089052292-020.513 ppb
2019-08-079081951-02ND
2019-08-079081951-01ND
2019-11-139112569-02ND
2019-11-139112569-01ND
2020-02-120022588-02ND
2020-02-120022588-01ND
2020-05-130052771-01ND
2020-05-130052771-02ND
2020-08-050081625-02ND
2020-08-050081625-01ND
2020-11-040111313-02ND
2020-11-040111313-01ND
2021-02-10EB02366-02ND
2021-02-10EB02366-01ND
2021-05-05EE02839-01ND
2021-05-05EE02839-02ND
2021-08-04EH01733-010.502 ppb
2021-08-04EH01733-020.657 ppb
2021-11-10EK02689-01ND
2021-11-10EK02689-02ND
2022-02-09FB02102-01ND
2022-02-10FB02102-02ND
2022-05-11FE02748-01ND
2022-05-11FE02748-02ND
2022-08-17FH04131-010.551 ppb
2022-08-17FH04131-020.582 ppb
2022-11-16FK03869-010.505 ppb
2022-11-16FK03869-020.614 ppb
2023-02-08GB01970-01ND
2023-02-08GB01970-02ND
2023-05-10GE02623-01ND
2023-05-10GE02623-020.619 ppb
2023-08-09GH02556-010.594 ppb
2023-08-09GH02556-020.642 ppb
2023-11-08GK01836-010.543 ppb
2023-11-08GK01836-02ND