Know Your Environment. Protect Your Health.

Bromoform

Poetry 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.

 

25

Samples

0

Samples exceeding legal limit (MCL)

5

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
20190.255 ppb41ND - 1.02 ppb
20200.735 ppb41ND - 2.94 ppb
20210.433 ppb41ND - 1.73 ppb
20221.07 ppb42ND - 2.17 ppb
2023ND50ND

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
2018-02-05Q1804279001ND
2018-05-09Q1819119001ND
2018-08-28Q1834433002ND
2018-11-27Q1847994001ND
2019-01-24Q1903528002ND
2019-05-01Q1918017001ND
2019-09-26Q19691430011.02 ppb
2019-11-25Q1977992001ND
2020-02-04Q20045330022.94 ppb
2020-04-22Q2016088001ND
2020-08-03Q2030169001ND
2020-12-02Q2048067001ND
2021-02-23Q2104587001ND
2021-06-10Q21152320011.73 ppb
2021-08-09Q2120931001ND
2021-11-18Q2132310001ND
2022-01-27Q2203348001ND
2022-06-16Q22168330012.17 ppb
2022-09-06Q2226282001ND
2022-12-06Q22367290022.09 ppb
2023-02-23Q2307637002ND
2023-06-19Q2323064001ND
2023-08-18Q2335169001ND
2023-11-14Q2348706001ND
2023-11-14Q2348706002ND