Know Your Environment. Protect Your Health.

Bromodichloromethane

Ascot Park Apartments

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

17

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.609 ppb220.266 ppb - 0.952 ppb
20194.21 ppb114.21 ppb
20200.352 ppb550.172 ppb - 0.604 ppb
20210.324 ppb330.162 ppb - 0.444 ppb
20220.395 ppb440.323 ppb - 0.490 ppb
20230.463 ppb32ND - 0.761 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
2018-07-308071207-010.266 ppb
2018-08-298081213-010.952 ppb
2019-08-209080949-014.21 ppb
2020-01-230010933-010.209 ppb
2020-04-160040640-010.342 ppb
2020-07-080070382-010.604 ppb
2020-08-110080439-010.433 ppb
2020-10-080100398-010.172 ppb
2021-01-271011143-010.444 ppb
2021-07-201070927-010.162 ppb
2021-08-041080294-010.366 ppb
2022-04-262041189-010.323 ppb
2022-07-122070479-010.392 ppb
2022-08-032080214-010.490 ppb
2022-10-122100504-010.373 ppb
2023-01-0923A0400-010.627 ppb
2023-07-1923G0966-010.761 ppb
2023-08-0223H0163-01ND