Know Your Environment. Protect Your Health.

Bromoform

Greenwood County Rural Water District 3

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.125 ppb41ND - 0.500 ppb
2019ND40ND
2020ND40ND
2021ND40ND
20220.140 ppb41ND - 0.560 ppb
20230.125 ppb41ND - 0.500 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
2018-03-18937409ND
2018-06-17989949ND
2018-09-2410489030.500 ppb
2018-12-091090044ND
2019-03-101134560ND
2019-06-091183994ND
2019-09-151242346ND
2019-12-011281867ND
2020-03-021332875ND
2020-06-081397959ND
2020-09-271565860ND
2020-12-141710569ND
2021-04-191821582ND
2021-06-141861185ND
2021-09-261970801ND
2021-12-272091073ND
2022-03-142216210ND
2022-06-072275157ND
2022-09-262366890ND
2022-12-1224154790.560 ppb
2023-03-132465991ND
2023-06-0525139310.500 ppb
2023-09-262582347ND
2023-12-262630719ND