Know Your Environment. Protect Your Health.

Bromoform

Kent Water Department

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.

 

95

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.171 ppb163ND - 1.65 ppb
2019ND220ND
2020N/A00N/A
20210.0224 ppb251ND - 0.560 ppb
2022ND160ND
2023ND160ND

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
2018-03-06ND
2018-03-060.600 ppb
2018-03-060.490 ppb
2018-03-061.65 ppb
2018-06-05ND
2018-06-05ND
2018-06-05ND
2018-06-05ND
2018-09-04ND
2018-09-04ND
2018-09-04ND
2018-09-04ND
2018-12-04ND
2018-12-04ND
2018-12-04ND
2018-12-04ND
2019-03-05ND
2019-03-05ND
2019-03-05ND
2019-03-05ND
2019-06-04ND
2019-06-04ND
2019-06-04ND
2019-06-04ND
2019-07-02ND
2019-07-12ND
2019-07-12ND
2019-07-16ND
2019-07-16ND
2019-07-23ND
2019-09-03ND
2019-09-03ND
2019-09-03ND
2019-09-03ND
2019-12-03ND
2019-12-03ND
2019-12-03ND
2019-12-03ND
2021-03-024085724ND
2021-03-024085722ND
2021-03-024085725ND
2021-03-024085723ND
2021-06-014126774ND
2021-06-014126772ND
2021-06-014126775ND
2021-06-014126773ND
2021-06-234178931ND
2021-06-234178931ND
2021-07-134192223ND
2021-07-134192221ND
2021-07-134192218ND
2021-07-134192218ND
2021-07-204198772ND
2021-07-204198772ND
2021-07-274206506ND
2021-09-074179846ND
2021-09-074179845ND
2021-09-074179843ND
2021-09-074179844ND
2021-12-074224371ND
2021-12-0742243700.560 ppb
2021-12-074224372ND
2021-12-074224373ND
2022-03-014260761ND
2022-03-014260759ND
2022-03-014260760ND
2022-03-014260758ND
2022-06-074311506ND
2022-06-074311509ND
2022-06-074311507ND
2022-06-074311505ND
2022-09-064370626ND
2022-09-064370625ND
2022-09-064370627ND
2022-09-064370624ND
2022-12-064395867ND
2022-12-064395869ND
2022-12-064395870ND
2022-12-064395868ND
2023-03-074436111ND
2023-03-074436107ND
2023-03-074436105ND
2023-03-074436109ND
2023-06-064476300ND
2023-06-064476305ND
2023-06-064476302ND
2023-06-064476304ND
2023-09-054525815ND
2023-09-054525818ND
2023-09-054525814ND
2023-09-054525819ND
2023-12-054569110ND
2023-12-054569111ND
2023-12-054569108ND
2023-12-054569109ND