Know Your Environment. Protect Your Health.

Bromoform

Mcneil Island Water

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.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND50ND
2020N/A00N/A
2021ND40ND
2022ND50ND
2023ND30ND

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
2018-03-28ND
2018-06-19ND
2018-08-14ND
2018-11-07ND
2019-04-10ND
2019-05-15ND
2019-06-12ND
2019-08-14ND
2019-11-13ND
2021-02-104074661ND
2021-05-054115259ND
2021-08-114159585ND
2021-11-174207562ND
2022-02-164249229ND
2022-05-254298856ND
2022-06-134296753ND
2022-08-174346847ND
2022-11-074374593ND
2023-07-134485479ND
2023-08-244516787ND
2023-11-034548861ND