Know Your Environment. Protect Your Health.

Dibromochloromethane

Ashcreek Addition

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.29 ppb21ND - 2.58 ppb
20191.13 ppb32ND - 2.35 ppb
20200.955 ppb21ND - 1.91 ppb
2021ND20ND
20220.740 ppb31ND - 2.22 ppb
20233.27 ppb21ND - 6.53 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
2018-02-13Q1805886001ND
2018-02-13Q18058860042.58 ppb
2019-08-12Q19540050011.05 ppb
2019-08-12Q1954005003ND
2019-08-12Q19540050072.35 ppb
2020-02-12Q2005777005ND
2020-02-12Q20057770071.91 ppb
2021-07-08Q2117906006ND
2021-07-08Q2117906008ND
2022-09-29Q2229353001ND
2022-09-29Q2229353003ND
2022-09-29Q22293530082.22 ppb
2023-12-04Q2351639001ND
2023-12-04Q23516390036.53 ppb