Know Your Environment. Protect Your Health.

Dibromochloromethane

Raleigh County Psd Egeria

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.

 

25

Samples

0

Samples exceeding legal limit (MCL)

9

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.478 ppb42ND - 1.000 ppb
2019ND40ND
20200.652 ppb54ND - 0.980 ppb
20210.575 ppb42ND - 1.20 ppb
2022ND40ND
20230.300 ppb41ND - 1.20 ppb

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
2018-02-02353726590011.000 ppb
2018-05-0135390236001ND
2018-08-02354091750010.910 ppb
2018-11-0235429285001ND
2019-02-0135446753001ND
2019-05-0335466634001ND
2019-08-0835488888001ND
2019-11-0435509910001ND
2020-02-03355284580010.980 ppb
2020-02-03355284580010.980 ppb
2020-05-08355486470010.570 ppb
2020-08-04355868413001ND
2020-11-05355909470010.730 ppb
2021-02-0235609888001ND
2021-05-0535631404001ND
2021-08-02358532130011.20 ppb
2021-11-01356770820011.10 ppb
2022-02-013225474001ND
2022-05-023240650001ND
2022-08-013256212001ND
2022-11-023272661001ND
2023-02-013286614001ND
2023-05-023301402001ND
2023-08-033317104001ND
2023-11-0333315820011.20 ppb