Know Your Environment. Protect Your Health.

Dibromochloromethane

Pasco Water Department

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.

 

137

Samples

0

Samples exceeding legal limit (MCL)

12

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND240ND
20190.0469 ppb323ND - 0.500 ppb
2020N/A00N/A
20210.0781 ppb325ND - 0.500 ppb
2022ND330ND
20230.138 ppb164ND - 0.600 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
2018-03-13ND
2018-03-13ND
2018-03-13ND
2018-03-13ND
2018-06-12ND
2018-06-12ND
2018-06-12ND
2018-06-12ND
2018-09-11ND
2018-09-11ND
2018-09-11ND
2018-09-11ND
2018-09-12ND
2018-09-12ND
2018-09-12ND
2018-09-12ND
2018-12-11ND
2018-12-11ND
2018-12-11ND
2018-12-11ND
2018-12-11ND
2018-12-11ND
2018-12-11ND
2018-12-11ND
2019-03-13ND
2019-03-13ND
2019-03-13ND
2019-03-13ND
2019-03-13ND
2019-03-13ND
2019-03-13ND
2019-03-130.500 ppb
2019-06-18ND
2019-06-18ND
2019-06-18ND
2019-06-18ND
2019-06-18ND
2019-06-18ND
2019-06-18ND
2019-06-18ND
2019-09-10ND
2019-09-10ND
2019-09-100.500 ppb
2019-09-100.500 ppb
2019-09-10ND
2019-09-10ND
2019-09-10ND
2019-09-10ND
2019-12-10ND
2019-12-10ND
2019-12-10ND
2019-12-10ND
2019-12-10ND
2019-12-10ND
2019-12-10ND
2019-12-10ND
2021-03-0940906190.500 ppb
2021-03-094090621ND
2021-03-0940906230.500 ppb
2021-03-0940906250.500 ppb
2021-03-094090629ND
2021-03-0940906270.500 ppb
2021-03-0940906330.500 ppb
2021-03-094090631ND
2021-06-084129368ND
2021-06-084129370ND
2021-06-084129377ND
2021-06-084129373ND
2021-06-084129366ND
2021-06-084129360ND
2021-06-084129353ND
2021-06-084129346ND
2021-09-134174149ND
2021-09-134174160ND
2021-09-134174190ND
2021-09-134174188ND
2021-09-134174154ND
2021-09-134174192ND
2021-09-134174163ND
2021-09-134174194ND
2021-12-144221472ND
2021-12-144221469ND
2021-12-144221475ND
2021-12-144221460ND
2021-12-144221458ND
2021-12-144221462ND
2021-12-144221466ND
2021-12-144221464ND
2022-03-154262043ND
2022-03-154262045ND
2022-03-154262041ND
2022-03-154262049ND
2022-03-154262047ND
2022-03-154262053ND
2022-03-154262055ND
2022-03-154262051ND
2022-06-214302654ND
2022-06-214302652ND
2022-06-214302650ND
2022-06-214302646ND
2022-06-214302644ND
2022-06-214302640ND
2022-06-214302648ND
2022-06-214302642ND
2022-07-184325357ND
2022-09-274368383ND
2022-09-274368381ND
2022-09-274368395ND
2022-09-274368387ND
2022-09-274368393ND
2022-09-274368385ND
2022-09-274368391ND
2022-09-274368389ND
2022-12-204400255ND
2022-12-204400257ND
2022-12-204400253ND
2022-12-204400251ND
2022-12-204400261ND
2022-12-204400259ND
2022-12-224400263ND
2022-12-224400265ND
2023-03-1444270050.600 ppb
2023-03-1444270070.600 ppb
2023-03-1444270090.500 ppb
2023-03-1444270110.500 ppb
2023-05-094457493ND
2023-05-094457491ND
2023-05-094457495ND
2023-05-094457497ND
2023-08-164512860ND
2023-08-164512858ND
2023-08-164512864ND
2023-08-164512862ND
2023-11-164556380ND
2023-11-164556378ND
2023-11-164556374ND
2023-11-164556376ND