Know Your Environment. Protect Your Health.

Bromoform

Mediapolis Water Supply

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
20200.303 ppb41ND - 1.21 ppb
20210.135 ppb41ND - 0.540 ppb
2022ND40ND
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
2018-01-091A80687-01ND
2018-04-101D80868-01ND
2018-07-101G80759-01ND
2018-10-231J82140-01ND
2019-01-071A90427-01ND
2019-04-101D91027-01ND
2019-07-101G91112-01ND
2019-10-231J92192-01ND
2020-01-081A00549-01ND
2020-04-151D01215-01ND
2020-07-211G01828-01ND
2020-10-011J00417-011.21 ppb
2021-01-111EA0688-01ND
2021-04-061ED0495-01ND
2021-07-071EG0629-01ND
2021-10-181EJ1973-010.540 ppb
2022-01-181FA1475-01ND
2022-04-061FD0642-01ND
2022-07-061FG0465-01ND
2022-10-181FJ1722-01ND
2023-01-101GA0907-01ND
2023-04-111GD1025-01ND
2023-07-101GG0755-01ND
2023-10-161GJ1365-01ND