Know Your Environment. Protect Your Health.

Bromoform

East Dunkard Water Authority

Bromoform, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromoform 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)

10

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.0875 ppb81ND - 0.700 ppb
20190.274 ppb82ND - 1.31 ppb
20200.301 ppb83ND - 0.990 ppb
2021ND80ND
2022ND80ND
20230.562 ppb64ND - 1.000 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.5 ppb

The EWG Health Guideline of 0.5 ppb for bromoform is 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, harm to reproduction and child development, and change to fetal growth and development .

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-058020074-02ND
2018-02-058020074-01ND
2018-05-078050211-01ND
2018-05-078050211-02ND
2018-08-068080145-010.700 ppb
2018-08-068080145-02ND
2018-11-058110093-01ND
2018-11-058110093-02ND
2019-02-049020038-01ND
2019-02-049020038-02ND
2019-05-069050168-01ND
2019-05-069050168-02ND
2019-08-059080121-04ND
2019-08-059080121-05ND
2019-11-049K05006-061.31 ppb
2019-11-049K05006-040.880 ppb
2020-02-03ND
2020-02-03ND
2020-05-06ND
2020-05-06ND
2020-08-030.850 ppb
2020-08-030.990 ppb
2020-11-020.570 ppb
2020-11-02ND
2021-02-08ND
2021-02-08ND
2021-05-05ND
2021-05-05ND
2021-08-04ND
2021-08-04ND
2021-11-05ND
2021-11-05ND
2022-02-09ND
2022-02-09ND
2022-05-06ND
2022-05-06ND
2022-08-09ND
2022-08-09ND
2022-12-14ND
2022-12-14ND
2023-02-07ND
2023-02-07ND
2023-05-031.000 ppb
2023-05-030.880 ppb
2023-08-090.710 ppb
2023-08-090.780 ppb