Know Your Environment. Protect Your Health.

Bromoform

Vivian Water System

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.

 

65

Samples

0

Samples exceeding legal limit (MCL)

7

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND160ND
20190.363 ppb164ND - 1.50 ppb
2020ND90ND
20210.143 ppb82ND - 0.720 ppb
20220.260 ppb82ND - 1.10 ppb
2023ND80ND

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
2018-01-2535370650001ND
2018-01-2535370650002ND
2018-01-2535370650002ND
2018-01-2535370650001ND
2018-04-0535384643002ND
2018-04-0535384643001ND
2018-04-0535384643002ND
2018-04-0535384643001ND
2018-07-1235404363001ND
2018-07-1235404363002ND
2018-07-1235404363001ND
2018-07-1235404363002ND
2018-10-0435422546001ND
2018-10-0435422546001ND
2018-10-0435422546002ND
2018-10-0435422546002ND
2019-01-1035441823001ND
2019-01-1035441823002ND
2019-01-1035441823001ND
2019-01-1035441823002ND
2019-04-0335459675001ND
2019-04-0335459675002ND
2019-04-0335459675001ND
2019-04-0335459675002ND
2019-07-1135481748002ND
2019-07-1135481748001ND
2019-07-1135481748001ND
2019-07-1135481748002ND
2019-10-17355062830011.50 ppb
2019-10-17355062830021.40 ppb
2019-10-17355062830021.40 ppb
2019-10-17355062830011.50 ppb
2020-01-0735523484002ND
2020-01-0735523484001ND
2020-04-2235545541001ND
2020-04-2235545541002ND
2020-04-2935547007001ND
2020-07-1735564173001ND
2020-07-1735564173002ND
2020-10-2935588738001ND
2020-10-2935588738002ND
2021-01-2235606699001ND
2021-01-2235606699002ND
2021-04-1635626866001ND
2021-04-1635626866002ND
2021-07-1535648579001ND
2021-07-1535648579002ND
2021-11-03356766760010.720 ppb
2021-11-03356766760020.420 ppb
2022-01-2635693468002ND
2022-01-2635693468001ND
2022-04-0835709452002ND
2022-04-0835709452001ND
2022-07-22357344140021.10 ppb
2022-07-22357344140010.980 ppb
2022-10-0635751829002ND
2022-10-0635751829001ND
2023-01-1335772828001ND
2023-01-1335772828002ND
2023-04-1435793715001ND
2023-04-1435793715002ND
2023-07-2135815050001ND
2023-07-2135815050002ND
2023-10-0635832949001ND
2023-10-0635832949002ND