Know Your Environment. Protect Your Health.

Bromoform

Lajitas On The Rio Grande

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

7

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.89 ppb221.14 ppb - 2.63 ppb
20190.845 ppb21ND - 1.69 ppb
2020ND20ND
2021ND20ND
20228.67 ppb226.23 ppb - 11.1 ppb
20234.96 ppb223.83 ppb - 6.09 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
2018-08-27Q18344980011.14 ppb
2018-08-27Q18344980062.63 ppb
2019-06-17Q1936911002ND
2019-06-17Q19369110051.69 ppb
2020-07-28Q2029718001ND
2020-07-28Q2029718004ND
2021-06-07Q2115085001ND
2021-06-07Q2115085002ND
2022-05-10Q22142120016.23 ppb
2022-05-10Q221421200511.1 ppb
2023-08-28Q23367630023.83 ppb
2023-08-28Q23367630046.09 ppb