Know Your Environment. Protect Your Health.

Bromoform

City of Overton

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.

 

29

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND40ND
2020ND40ND
2021ND40ND
2022ND40ND
2023ND80ND

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
2018-03-13Q1810105003ND
2018-03-13Q1810105002ND
2018-06-11Q1823066005ND
2018-06-11Q1823066006ND
2018-06-11Q1823066009ND
2019-04-15Q1914977001ND
2019-04-15Q1914977004ND
2019-07-30Q1948592001ND
2019-07-30Q1948592002ND
2020-05-14Q2019538003ND
2020-05-14Q2019538005ND
2020-05-14Q2019538014ND
2020-05-14Q2019538015ND
2021-05-03Q2111069009ND
2021-05-03Q2111069010ND
2021-05-03Q2111069004ND
2021-10-21Q2129818002ND
2022-06-27Q2217839002ND
2022-06-27Q2217839004ND
2022-06-27Q2217839009ND
2022-06-27Q2217839010ND
2023-05-25Q2319666002ND
2023-05-25Q2319666004ND
2023-05-25Q2319666014ND
2023-05-25Q2319666015ND
2023-08-11Q2333687001ND
2023-08-11Q2333687002ND
2023-10-19Q2344962001ND
2023-10-19Q2344962002ND