Know Your Environment. Protect Your Health.

Bromoform

Elgin Public Water Supply

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.

 

9

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.200 ppb51ND - 1.000 ppb
2019N/A00N/A
2020ND10ND
2021ND10ND
20221.90 ppb111.90 ppb
20231.30 ppb111.30 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
2018-04-11SDWA-1251819-001.000 ppb
2018-04-11SDWA-1251828-00ND
2018-04-11SDWA-1251832-00ND
2018-05-08SDWA-1261906-00ND
2018-06-25SDWA-1276896-02ND
2020-07-29SDWA-1504488-03ND
2021-11-04SDWA-1606968-03ND
2022-07-26SDWA-1711639-031.90 ppb
2023-07-27SDWA-1813977-031.30 ppb