Know Your Environment. Protect Your Health.

Bromoform

Erie County Vermilion Water District

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)

7

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.200 ppb41ND - 0.800 ppb
20190.375 ppb42ND - 0.800 ppb
20200.325 ppb41ND - 1.30 ppb
20210.325 ppb43ND - 0.600 ppb
20220.575 ppb440.1000 ppb - 0.900 ppb
20230.267 ppb330.200 ppb - 0.400 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
2018-02-08A180539783ND
2018-05-09A180593355ND
2018-08-08A1806265240.800 ppb
2018-11-138K01777-01ND
2019-02-119B01625-01ND
2019-05-089E01021-01ND
2019-08-129H01962-010.800 ppb
2019-11-089K00990-010.700 ppb
2020-02-110B01310-01ND
2020-05-120E01566-02ND
2020-08-110H01614-011.30 ppb
2020-11-100K01171-03ND
2021-02-111B01483-02ND
2021-05-101E01150-050.400 ppb
2021-08-101H01347-070.600 ppb
2021-11-091K01200-030.300 ppb
2022-02-082B00842-040.1000 ppb
2022-05-092E01168-010.500 ppb
2022-08-092H01349-020.800 ppb
2022-11-082K01208-020.900 ppb
2023-02-083B01062-010.200 ppb
2023-05-083E01273-030.200 ppb
2023-08-093H01614-010.400 ppb