Know Your Environment. Protect Your Health.

Bromodichloromethane

Woodward Resource Center

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.

 

46

Samples

0

Samples exceeding legal limit (MCL)

33

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20187.55 ppb10103.80 ppb - 11.0 ppb
20198.39 ppb884.80 ppb - 12.0 ppb
20207.90 ppb87ND - 11.0 ppb
20212.79 ppb84ND - 9.80 ppb
20220.788 ppb83ND - 3.50 ppb
20230.325 ppb41ND - 1.30 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
2018-02-15OE6233378.70 ppb
2018-02-15OE6233367.50 ppb
2018-04-23OE6486638.90 ppb
2018-04-23OE6486627.10 ppb
2018-05-23OE6614123.80 ppb
2018-05-23OE6614137.30 ppb
2018-08-08OE6955557.60 ppb
2018-08-08OE6955568.20 ppb
2018-11-19OE74156411.0 ppb
2018-11-19OE7415655.40 ppb
2019-02-13OE7704299.00 ppb
2019-02-13OE7704308.40 ppb
2019-05-20OE8101034.80 ppb
2019-05-20OE8101045.00 ppb
2019-08-22OE8549378.10 ppb
2019-08-22OE8549388.80 ppb
2019-11-20OE89608711.0 ppb
2019-11-20OE89608812.0 ppb
2020-02-26OE9333638.70 ppb
2020-02-26OE9333649.00 ppb
2020-05-14OE1008268ND
2020-05-14OE10082696.30 ppb
2020-08-18OE11829618.80 ppb
2020-08-18OE118293310.00 ppb
2020-11-18OE143504211.0 ppb
2020-11-18OE14350439.40 ppb
2021-02-23OE15994559.80 ppb
2021-02-23OE15994566.90 ppb
2021-05-17OE16987663.90 ppb
2021-05-17OE16987671.70 ppb
2021-08-09OE1788578ND
2021-08-09OE1788579ND
2021-11-03OE1918693ND
2021-11-03OE1918694ND
2022-02-15OE20452263.50 ppb
2022-02-15OE20452271.70 ppb
2022-05-18OE2101783ND
2022-05-18OE21017841.10 ppb
2022-08-23OE2159431ND
2022-08-23OE2159432ND
2022-11-17OE2206983ND
2022-11-17OE2206984ND
2023-02-15OE2242410ND
2023-05-11OE2279124ND
2023-08-21OE23250891.30 ppb
2023-11-20OE2365472ND