Know Your Environment. Protect Your Health.

Bromoform

Public Wholesale Water Supply District 11

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)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND40ND
2021ND40ND
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
2018-01-23908568ND
2018-04-23938588ND
2018-07-091003336ND
2018-10-151061541ND
2019-01-211108289ND
2019-04-221139913ND
2019-07-291212805ND
2019-10-211262717ND
2020-01-201312232ND
2020-04-271363703ND
2020-07-201450968ND
2020-10-191607132ND
2021-01-111741615ND
2021-04-131818247ND
2021-07-061875263ND
2021-10-262005334ND
2022-01-032107946ND
2022-04-052231383ND
2022-07-122301609ND
2022-10-112378296ND
2023-01-092429552ND
2023-04-102481550ND
2023-07-122535265ND
2023-10-092589848ND