Know Your Environment. Protect Your Health.

Bromodichloromethane

Pajaro Community Services District

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
20191.000 ppb221.000 ppb
2020ND20ND
20210.333 ppb31ND - 1.000 ppb
2022ND20ND
20230.333 ppb31ND - 1.000 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
2018-08-13CA2710020_DST_801-201808131150ND
2018-08-13CA2710020_DST_802-201808131130ND
2019-08-12CA2710020_DST_802-2019081209581.000 ppb
2019-08-12CA2710020_DST_801-2019081210451.000 ppb
2020-08-12CA2710020_DST_801-202008121138ND
2020-08-12CA2710020_DST_802-202008121115ND
2021-08-02CA2710020_DST_801-202108020829ND
2021-08-02CA2710020_DST_802-2021080208081.000 ppb
2021-08-23CA2710020_DST_801-202108230855ND
2022-08-01CA2710020_DST_801-202208011000ND
2022-08-01CA2710020_DST_802-202208010930ND
2023-03-27CA2710020_DST_802-2023032710431.000 ppb
2023-08-07CA2710020_DST_802-202308070910ND
2023-08-07CA2710020_DST_801-202308070855ND