Know Your Environment. Protect Your Health.

Bromoform

St Tam Parish - Briarwood Terrace

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.325 ppb42ND - 0.650 ppb
2019ND40ND
20200.375 ppb220.370 ppb - 0.380 ppb
2021ND20ND
20220.295 ppb21ND - 0.590 ppb
20230.185 ppb21ND - 0.370 ppb

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
2018-02-1635374865001ND
2018-02-1635374865001ND
2018-11-05354288020010.650 ppb
2018-11-05354288020010.650 ppb
2019-02-2135450030001ND
2019-02-2135450030001ND
2019-11-0135509137001ND
2019-11-0135509137001ND
2020-02-14355314580010.370 ppb
2020-11-06355905120010.380 ppb
2021-02-0535610012001ND
2021-11-0535676318001ND
2022-02-1135696583001ND
2022-11-04357581790010.590 ppb
2023-02-0335776991001ND
2023-11-03358392840010.370 ppb