Know Your Environment. Protect Your Health.

Bromoform

Talley 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.

 

60

Samples

0

Samples exceeding legal limit (MCL)

24

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.228 ppb101ND - 2.28 ppb
20190.465 ppb102ND - 3.55 ppb
20200.461 ppb102ND - 3.42 ppb
20211.88 ppb10101.31 ppb - 2.25 ppb
20221.21 ppb106ND - 2.60 ppb
20230.569 ppb103ND - 2.36 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
2018-02-22Q1807490002ND
2018-02-22Q1807490001ND
2018-05-24Q1821024002ND
2018-05-24Q1821024001ND
2018-07-25Q1829519008ND
2018-07-25Q18295190112.28 ppb
2018-08-15Q1832900001ND
2018-08-15Q1832900002ND
2018-10-22Q1842261001ND
2018-10-22Q1842261002ND
2019-01-23Q1903420001ND
2019-01-23Q1903420002ND
2019-04-15Q1914975001ND
2019-04-15Q1914975002ND
2019-05-06Q19202050011.10 ppb
2019-05-06Q19202050033.55 ppb
2019-07-11Q1944044001ND
2019-07-11Q1944044002ND
2019-10-03Q1970930001ND
2019-10-03Q1970930002ND
2020-01-09Q2000957001ND
2020-01-09Q2000957002ND
2020-03-16Q20105420011.19 ppb
2020-03-16Q20105420033.42 ppb
2020-04-22Q2016069001ND
2020-04-22Q2016069002ND
2020-07-08Q2026964001ND
2020-07-08Q2026964002ND
2020-10-21Q2041053001ND
2020-10-21Q2041053002ND
2021-01-19Q21012510011.89 ppb
2021-01-19Q21012510021.77 ppb
2021-04-08Q21090110011.91 ppb
2021-04-08Q21090110021.80 ppb
2021-07-22Q21193070012.25 ppb
2021-07-22Q21193070021.92 ppb
2021-10-13Q21286100012.21 ppb
2021-10-13Q21286100022.02 ppb
2021-12-07Q21341740081.31 ppb
2021-12-07Q21341740101.68 ppb
2022-01-24Q2202503001ND
2022-01-24Q2202503002ND
2022-04-27Q22125940012.01 ppb
2022-04-27Q22125940022.07 ppb
2022-07-21Q2220900002ND
2022-07-21Q2220900001ND
2022-10-31Q22329590042.60 ppb
2022-10-31Q22329590052.18 ppb
2022-10-31Q22329590072.06 ppb
2022-10-31Q22329590091.22 ppb
2023-02-27Q2307813001ND
2023-02-27Q2307813002ND
2023-05-02Q23164630012.36 ppb
2023-05-02Q23164630022.02 ppb
2023-09-21Q23409920011.31 ppb
2023-09-21Q2340992003ND
2023-09-21Q2340992006ND
2023-09-21Q2340992007ND
2023-12-01Q2351375001ND
2023-12-01Q2351375002ND