Know Your Environment. Protect Your Health.

Bromodichloromethane

Leray Town Water District 3

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.

 

23

Samples

0

Samples exceeding legal limit (MCL)

15

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.05 ppb43ND - 1.70 ppb
20191.20 ppb440.600 ppb - 1.90 ppb
20200.767 ppb32ND - 1.30 ppb
20210.825 ppb43ND - 1.40 ppb
20220.850 ppb42ND - 2.10 ppb
20230.275 ppb41ND - 1.10 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
2018-02-20180222015-0011.30 ppb
2018-05-23180524035-0011.20 ppb
2018-08-16180817051-001ND
2018-11-20181121055-0011.70 ppb
2019-02-25190228014-0011.70 ppb
2019-05-23190529035-0010.600 ppb
2019-08-21190823007-0010.600 ppb
2019-11-22191127029-0011.90 ppb
2020-05-27200529062-0011.30 ppb
2020-08-20200821062-001ND
2020-11-23201124047-0011.000 ppb
2021-02-11210212032-001ND
2021-05-20210526051-0011.30 ppb
2021-08-26210827049-0010.600 ppb
2021-11-16211117050-0011.40 ppb
2022-02-22220223058-0012.10 ppb
2022-05-25220602039-0011.30 ppb
2022-08-24220830045-001ND
2022-11-16221118019-001ND
2023-02-24230228034ND
2023-05-2523053124-001ND
2023-08-28L2350073ND
2023-11-27L23700091.10 ppb