Know Your Environment. Protect Your Health.

Dibromochloromethane

Liberty City Water Supply Corporation

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.

 

30

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND50ND
20200.826 ppb51ND - 4.13 ppb
20213.64 ppb53ND - 8.63 ppb
20220.230 ppb51ND - 1.15 ppb
2023ND50ND

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
2018-06-14Q1823909006ND
2018-06-14Q1823909009ND
2018-06-14Q1823909010ND
2018-06-14Q1823909012ND
2018-06-14Q1823909005ND
2019-03-28Q1912649008ND
2019-03-28Q1912649009ND
2019-03-28Q1912649012ND
2019-03-28Q1912649013ND
2019-07-09Q1943724001ND
2020-06-15Q20238250094.13 ppb
2020-10-13Q2039989007ND
2020-10-13Q2039989009ND
2020-10-13Q2039989011ND
2020-10-13Q2039989030ND
2021-06-24Q21166190026.06 ppb
2021-09-21Q21258660018.63 ppb
2021-11-19Q2132571004ND
2021-11-19Q21325710063.53 ppb
2021-11-19Q2132571008ND
2022-03-28Q2209608003ND
2022-09-23Q2228782001ND
2022-10-24Q2231971001ND
2022-10-24Q2231971003ND
2022-10-24Q22319710051.15 ppb
2023-02-16Q2306532003ND
2023-06-14Q2322655004ND
2023-06-14Q2322655006ND
2023-06-14Q2322655018ND
2023-06-14Q2322655026ND