Know Your Environment. Protect Your Health.

Bromodichloromethane

Osborne County Rural Water District 1a

Bromodichloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromodichloromethane and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

 

22

Samples

0

Samples exceeding legal limit (MCL)

14

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20183.35 ppb440.810 ppb - 5.90 ppb
20192.00 ppb441.60 ppb - 2.40 ppb
20204.40 ppb43ND - 8.70 ppb
20210.237 ppb31ND - 0.710 ppb
20220.110 ppb51ND - 0.550 ppb
20230.600 ppb21ND - 1.20 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.06 ppb

The EWG Health Guideline of 0.06 ppb for bromodichloromethane was 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 and harm to fetal growth and development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-189378635.00 ppb
2018-06-179905041.70 ppb
2018-10-0910581750.810 ppb
2018-12-1610922085.90 ppb
2019-03-1711384992.30 ppb
2019-06-0911839782.40 ppb
2019-09-1512420601.70 ppb
2019-12-1612913561.60 ppb
2020-03-2213451357.30 ppb
2020-06-1514052438.70 ppb
2020-09-1315183761.60 ppb
2020-12-141673541ND
2021-03-2117999790.710 ppb
2021-06-231866797ND
2021-09-121953787ND
2022-01-1721561760.550 ppb
2022-03-062210676ND
2022-06-122277380ND
2022-09-062353361ND
2022-12-192419492ND
2023-03-122465118ND
2023-12-0426193091.20 ppb