Know Your Environment. Protect Your Health.

Bromodichloromethane

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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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND30ND
2020ND40ND
2021ND30ND
2022ND40ND
2023ND10ND

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
2019-05-08H19050245-001END
2019-05-08H19050245-002END
2019-06-20H19060515-001CND
2020-10-21H20100621-001AND
2020-10-21H20100621-002AND
2020-11-04H20110094-001AND
2020-11-30H20110648-001AND
2021-03-17H21030419-001AND
2021-04-05H21040068-001AND
2021-09-17H21090509-001BND
2022-03-21H22030506-001BND
2022-06-29H22060897-001AND
2022-08-22H22080673-001BND
2022-11-07H22110237-001CND
2023-03-29H23030641-001CND