Know Your Environment. Protect Your Health.

Bromoform

Montalba Water Supply Corporation

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)

8

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.92 ppb221.68 ppb - 2.16 ppb
20190.595 ppb21ND - 1.19 ppb
20200.515 ppb21ND - 1.03 ppb
20210.920 ppb21ND - 1.84 ppb
20221.48 ppb221.20 ppb - 1.76 ppb
20230.820 ppb21ND - 1.64 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
2018-06-21Q18248480031.68 ppb
2018-06-21Q18248480082.16 ppb
2019-06-04Q1931495001ND
2019-06-04Q19314950061.19 ppb
2020-09-28Q20380360011.03 ppb
2020-10-28Q2041675001ND
2021-09-20Q2125685003ND
2021-09-20Q21256850061.84 ppb
2022-08-15Q22236070011.76 ppb
2022-10-27Q22325520041.20 ppb
2023-08-07Q2332157001ND
2023-08-07Q23321570041.64 ppb