Know Your Environment. Protect Your Health.

Bromoform

City of Castroville

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
2020ND30ND
2021ND30ND
2022ND30ND
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
2018-03-28AE20680ND
2018-03-28AE20664ND
2018-06-20AE30726ND
2019-06-18AE71070ND
2019-06-18AE71110ND
2019-06-18AE71116ND
2020-01-28AE95679ND
2020-01-28AE95685ND
2020-05-11AF10648ND
2021-06-28AF59663ND
2021-06-28AF59675ND
2021-06-28AF59673ND
2022-02-08AF83711ND
2022-02-08AF83715ND
2022-09-29AG15459ND
2023-03-28AG34417ND
2023-03-28AG34419ND
2023-06-12AG43982ND