Know Your Environment. Protect Your Health.

Bromoform

Fairfield Water Department

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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

19

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.299 ppb82ND - 1.22 ppb
20190.288 ppb82ND - 1.31 ppb
20200.345 ppb83ND - 1.20 ppb
20210.509 ppb84ND - 1.70 ppb
20220.749 ppb84ND - 1.93 ppb
20230.389 ppb84ND - 0.840 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
2018-02-08AC07167TH1.17 ppb
2018-02-08AC07168TH1.22 ppb
2018-05-21AC11152THND
2018-05-21AC11153THND
2018-08-16AC14946THND
2018-08-16AC14945THND
2018-11-08AC18573THND
2018-11-08AC18572THND
2019-02-06AC22276THND
2019-02-06AC22275THND
2019-05-09AC26299THND
2019-05-09AC26298THND
2019-08-07AC30358TH0.990 ppb
2019-08-07AC30359TH1.31 ppb
2019-11-07AC34939THND
2019-11-07AC34938THND
2020-02-06AC38720THND
2020-02-06AC38719THND
2020-05-07AC42330THND
2020-05-07AC42329THND
2020-08-06AC46059TH0.731 ppb
2020-08-06AC46058TH1.20 ppb
2020-11-05AC49661THND
2020-11-05AC49660TH0.825 ppb
2021-02-08AC53112THND
2021-02-08AC53111THND
2021-05-07AC56585TH0.511 ppb
2021-05-07AC56584TH0.577 ppb
2021-08-16AC60847TH1.70 ppb
2021-08-16AC60846TH1.28 ppb
2021-11-04AC64867THND
2021-11-04AC64866THND
2022-02-03AC68254THND
2022-02-03AC68253THND
2022-05-05AC71787THND
2022-05-05AC71786THND
2022-08-04AC75694TH1.93 ppb
2022-08-04AC75693TH1.90 ppb
2022-11-03AC79382TH1.25 ppb
2022-11-03AC79381TH0.910 ppb
2023-02-01AC83324THND
2023-02-01AC83323THND
2023-05-04AC87271THND
2023-05-04AC87270THND
2023-08-03AC91143TH0.690 ppb
2023-08-03AC91142TH0.750 ppb
2023-11-02AC95121TH0.830 ppb
2023-11-02AC95120TH0.840 ppb