Know Your Environment. Protect Your Health.

Bromoform

City of Mount Vernon

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.

 

39

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND50ND
2020ND50ND
2021ND60ND
2022ND90ND
2023ND90ND

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
2018-02-21Q1807253006ND
2018-05-24Q1820902002ND
2018-09-10Q1835622004ND
2018-09-10Q1835622002ND
2018-11-08Q1844906002ND
2019-03-04Q1909013010ND
2019-05-09Q1923236002ND
2019-09-19Q1966996001ND
2019-09-19Q1966996004ND
2019-11-25Q1978054002ND
2020-02-12Q2005740003ND
2020-05-19Q2019852005ND
2020-09-29Q2038274001ND
2020-09-29Q2038274004ND
2020-12-10Q2049336001ND
2021-03-29Q2107866005ND
2021-05-27Q2113761002ND
2021-08-16Q2121840002ND
2021-08-16Q2121840005ND
2021-10-27Q2130305002ND
2021-10-27Q2130305003ND
2022-01-18Q2201613009ND
2022-01-18Q2201613010ND
2022-05-03Q2213119003ND
2022-05-03Q2213119004ND
2022-08-08Q2222756001ND
2022-08-08Q2222756003ND
2022-08-08Q2222756004ND
2022-10-27Q2232560002ND
2022-10-27Q2232560001ND
2023-01-11Q2301802001ND
2023-01-11Q2301802002ND
2023-05-24Q2319601001ND
2023-05-24Q2319601002ND
2023-07-11Q2326820001ND
2023-07-11Q2326820006ND
2023-07-11Q2326820007ND
2023-11-02Q2347056001ND
2023-11-02Q2347056002ND