Know Your Environment. Protect Your Health.

Bromoform

Franklin County Rural Water District 2

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.

 

23

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.200 ppb31ND - 0.600 ppb
2019ND40ND
20200.250 ppb41ND - 1.000 ppb
20210.215 ppb41ND - 0.860 ppb
20220.155 ppb41ND - 0.620 ppb
2023ND40ND

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
2018-02-05906731ND
2018-08-0510207370.600 ppb
2018-11-041070516ND
2019-02-031113945ND
2019-05-121157241ND
2019-08-251229252ND
2019-11-111274431ND
2020-02-041318513ND
2020-05-111375246ND
2020-08-101481201ND
2020-11-1116503301.000 ppb
2021-02-0317614730.860 ppb
2021-05-091836509ND
2021-08-081911139ND
2021-11-072018945ND
2022-02-062184452ND
2022-05-082254541ND
2022-08-012320819ND
2022-11-1423981930.620 ppb
2023-02-062446391ND
2023-05-072497130ND
2023-08-062550254ND
2023-11-122609747ND