Know Your Environment. Protect Your Health.

Bromoform

Lockesburg Waterworks

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND30ND
2020ND30ND
2021ND20ND
20220.238 ppb41ND - 0.952 ppb
2023ND10ND

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
2018-06-0418157003802ND
2018-07-2418207001201ND
2019-02-0419038002601ND
2019-07-0119184001501ND
2019-08-1919233000908ND
2020-02-0320037001701ND
2020-08-1720233006101ND
2020-09-0820254007102ND
2021-01-2721028010701ND
2021-09-0121245002902ND
2022-01-1122013001901ND
2022-04-06O196357-VOC-10.952 ppb
2022-07-19O199847-VOC-1ND
2022-08-03O200316-THM-1ND
2023-07-31O211161-THM-1ND