Know Your Environment. Protect Your Health.

Bromoform

Franklin Water Supply

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.

 

82

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND240ND
2019ND240ND
2020ND100ND
2021ND80ND
2022ND80ND
20231.31 ppb82ND - 5.40 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
2018-01-2435370562003ND
2018-01-2435370562001ND
2018-01-2435370562003ND
2018-01-2435370562002ND
2018-01-2435370562001ND
2018-01-2435370562002ND
2018-04-1135385731001ND
2018-04-1135385731002ND
2018-04-1135385731003ND
2018-04-1135385731003ND
2018-04-1135385731002ND
2018-04-1135385731001ND
2018-07-0535402530003ND
2018-07-0535402530001ND
2018-07-0535402530002ND
2018-07-0535402530003ND
2018-07-0535402530002ND
2018-07-0535402530001ND
2018-10-0535422740002ND
2018-10-0535422740001ND
2018-10-0535422740002ND
2018-10-0535422740003ND
2018-10-0535422740003ND
2018-10-0535422740001ND
2019-01-0935441747001ND
2019-01-0935441747002ND
2019-01-0935441747003ND
2019-01-0935441747003ND
2019-01-0935441747002ND
2019-01-0935441747001ND
2019-04-0235459600001ND
2019-04-0235459600003ND
2019-04-0235459600002ND
2019-04-0235459600001ND
2019-04-0235459600003ND
2019-04-0235459600002ND
2019-07-1035481588003ND
2019-07-1035481588002ND
2019-07-1035481588001ND
2019-07-1035481588001ND
2019-07-1035481588002ND
2019-07-1035481588003ND
2019-10-0835503713002ND
2019-10-0835503713002ND
2019-10-0835503713003ND
2019-10-0835503713001ND
2019-10-0835503713003ND
2019-10-0835503713001ND
2020-01-1635525090001ND
2020-01-1635525090002ND
2020-01-1635525090003ND
2020-04-0135541114001ND
2020-04-0135541114002ND
2020-04-0135541114003ND
2020-07-0135560386001ND
2020-07-0135560386002ND
2020-10-0235582142001ND
2020-10-0235582142002ND
2021-01-0735603280002ND
2021-01-0735603280001ND
2021-04-0835624803002ND
2021-04-0835624803001ND
2021-07-0135644821001ND
2021-07-0135644821002ND
2021-10-1435672946002ND
2021-10-1435672946001ND
2022-01-0635689136001ND
2022-01-0635689136002ND
2022-04-0135707510001ND
2022-04-0135707510002ND
2022-07-0735730142001ND
2022-07-0735730142002ND
2022-10-0735751824002ND
2022-10-0735751824001ND
2023-01-1235772528001ND
2023-01-1235772528002ND
2023-04-1135791942001ND
2023-04-1135791942002ND
2023-07-1735813800001ND
2023-07-1735813800002ND
2023-10-24358375300015.10 ppb
2023-10-24358375300025.40 ppb