Know Your Environment. Protect Your Health.

Dibromochloromethane

Emerald Lakes Subdivision

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.17 ppb32ND - 2.00 ppb
2019ND20ND
2020ND20ND
2021ND30ND
20220.440 ppb51ND - 2.20 ppb
20230.600 ppb31ND - 1.80 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
2018-09-21AE412891.50 ppb
2018-09-21AE41291ND
2018-09-21AE412822.00 ppb
2019-06-13AE70595ND
2019-06-13AE70605ND
2020-11-16AF34617ND
2020-11-16AF34619ND
2021-04-21AF50923ND
2021-04-21AF50933ND
2021-06-25AF59625ND
2022-03-08AF88104ND
2022-03-08AF88114ND
2022-06-01AF990002.20 ppb
2022-06-01AF99085ND
2022-09-06AG11654ND
2023-09-14AG562351.80 ppb
2023-09-14AG56330ND
2023-09-14AG56334ND