Know Your Environment. Protect Your Health.

Dibromochloromethane

Pawc Ceasetown

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

 

192

Samples

0

Samples exceeding legal limit (MCL)

126

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.644 ppb3229ND - 1.000 ppb
20190.591 ppb3221ND - 1.80 ppb
20200.406 ppb3216ND - 1.20 ppb
20210.406 ppb3219ND - 1.000 ppb
20220.309 ppb3215ND - 1.10 ppb
20230.522 ppb3226ND - 1.20 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.1 ppb

The EWG Health Guideline of 0.1 ppb for dibromochloromethane 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
2018-02-1338536301ND
2018-02-13385369010.600 ppb
2018-02-13385368010.500 ppb
2018-02-13385362010.600 ppb
2018-02-13385370010.600 ppb
2018-02-13385364010.500 ppb
2018-02-13385361010.700 ppb
2018-02-13385365010.600 ppb
2018-05-14393818010.600 ppb
2018-05-14393824010.800 ppb
2018-05-14393823010.600 ppb
2018-05-14393825010.600 ppb
2018-05-14393819010.500 ppb
2018-05-14393816010.900 ppb
2018-05-14393820010.700 ppb
2018-05-1539381701ND
2018-08-14406386010.800 ppb
2018-08-14406394010.800 ppb
2018-08-14406393010.700 ppb
2018-08-14406385010.800 ppb
2018-08-14406395010.900 ppb
2018-08-14406387010.700 ppb
2018-08-14406384011.000 ppb
2018-08-14406388010.800 ppb
2018-11-13417621010.900 ppb
2018-11-13417629010.800 ppb
2018-11-13417628010.800 ppb
2018-11-13417620010.800 ppb
2018-11-13417630010.700 ppb
2018-11-13417622010.700 ppb
2018-11-1341761901ND
2018-11-13417623010.600 ppb
2019-02-1342850501ND
2019-02-1342850601ND
2019-02-1342850701ND
2019-02-1342850801ND
2019-02-13428509010.500 ppb
2019-02-1342851001ND
2019-02-1342851101ND
2019-02-1342851201ND
2019-05-1544011201ND
2019-05-15440117010.700 ppb
2019-05-15440118010.600 ppb
2019-05-15440114010.500 ppb
2019-05-15440119010.600 ppb
2019-05-15440115010.500 ppb
2019-05-1544011301ND
2019-05-15440116010.600 ppb
2019-08-13458237011.10 ppb
2019-08-13458242011.80 ppb
2019-08-13458243011.20 ppb
2019-08-13458239011.30 ppb
2019-08-13458244011.10 ppb
2019-08-13458240011.20 ppb
2019-08-1345823801ND
2019-08-13458241011.30 ppb
2019-11-12473608010.800 ppb
2019-11-12473613010.900 ppb
2019-11-12473614011.000 ppb
2019-11-12473610010.700 ppb
2019-11-12473615010.900 ppb
2019-11-12473611010.700 ppb
2019-11-1247360901ND
2019-11-12473612010.900 ppb
2020-02-11ND
2020-02-11ND
2020-02-11ND
2020-02-11ND
2020-02-11ND
2020-02-11ND
2020-02-11ND
2020-02-11ND
2020-05-12ND
2020-05-120.600 ppb
2020-05-12ND
2020-05-12ND
2020-05-12ND
2020-05-12ND
2020-05-12ND
2020-05-12ND
2020-08-110.600 ppb
2020-08-110.700 ppb
2020-08-110.600 ppb
2020-08-110.600 ppb
2020-08-110.700 ppb
2020-08-110.700 ppb
2020-08-110.600 ppb
2020-08-110.600 ppb
2020-11-11ND
2020-11-110.900 ppb
2020-11-110.900 ppb
2020-11-111.10 ppb
2020-11-111.000 ppb
2020-11-111.20 ppb
2020-11-111.10 ppb
2020-11-111.10 ppb
2021-02-10ND
2021-02-100.500 ppb
2021-02-10ND
2021-02-10ND
2021-02-10ND
2021-02-10ND
2021-02-10ND
2021-02-10ND
2021-05-120.600 ppb
2021-05-120.700 ppb
2021-05-12ND
2021-05-120.500 ppb
2021-05-120.600 ppb
2021-05-12ND
2021-05-12ND
2021-05-12ND
2021-08-11ND
2021-08-111.000 ppb
2021-08-110.800 ppb
2021-08-110.700 ppb
2021-08-110.700 ppb
2021-08-110.800 ppb
2021-08-110.900 ppb
2021-08-110.800 ppb
2021-11-120.600 ppb
2021-11-150.600 ppb
2021-11-150.700 ppb
2021-11-150.700 ppb
2021-11-150.600 ppb
2021-11-150.600 ppb
2021-11-15ND
2021-11-150.600 ppb
2022-02-11ND
2022-02-14ND
2022-02-14ND
2022-02-14ND
2022-02-14ND
2022-02-14ND
2022-02-14ND
2022-02-14ND
2022-05-13ND
2022-05-16ND
2022-05-160.600 ppb
2022-05-160.500 ppb
2022-05-16ND
2022-05-16ND
2022-05-16ND
2022-05-16ND
2022-08-15ND
2022-08-151.10 ppb
2022-08-150.800 ppb
2022-08-150.800 ppb
2022-08-150.700 ppb
2022-08-150.500 ppb
2022-08-15ND
2022-08-150.900 ppb
2022-11-140.600 ppb
2022-11-140.600 ppb
2022-11-140.500 ppb
2022-11-140.600 ppb
2022-11-140.600 ppb
2022-11-140.500 ppb
2022-11-14ND
2022-11-140.600 ppb
2023-02-100.600 ppb
2023-02-130.600 ppb
2023-02-130.700 ppb
2023-02-130.600 ppb
2023-02-130.700 ppb
2023-02-130.600 ppb
2023-02-13ND
2023-02-130.700 ppb
2023-05-120.700 ppb
2023-05-15ND
2023-05-150.500 ppb
2023-05-150.500 ppb
2023-05-150.600 ppb
2023-05-150.600 ppb
2023-05-150.700 ppb
2023-05-150.700 ppb
2023-08-110.700 ppb
2023-08-14ND
2023-08-141.20 ppb
2023-08-140.600 ppb
2023-08-140.500 ppb
2023-08-140.600 ppb
2023-08-14ND
2023-08-140.700 ppb
2023-11-13ND
2023-11-130.500 ppb
2023-11-130.600 ppb
2023-11-130.600 ppb
2023-11-130.600 ppb
2023-11-130.600 ppb
2023-11-13ND
2023-11-130.700 ppb