Know Your Environment. Protect Your Health.

Bromodichloromethane

Lake Ridge Water System

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
20200.550 ppb21ND - 1.10 ppb
2021ND20ND
20220.800 ppb21ND - 1.60 ppb
2023ND20ND

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
2018-06-14AE29999ND
2018-07-17AE33587ND
2019-07-25AE75912ND
2019-10-24AE87578ND
2020-03-23AF04051ND
2020-09-22AF282271.10 ppb
2021-05-25AF55780ND
2021-12-02AF77866ND
2022-06-15AG010061.60 ppb
2022-06-15AG01044ND
2023-05-25AG42124ND
2023-05-25Q2320254001ND