Know Your Environment. Protect Your Health.

Bromoform

Four Way Special Utility District

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.

 

36

Samples

0

Samples exceeding legal limit (MCL)

19

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.99 ppb63ND - 9.24 ppb
20192.88 ppb63ND - 14.3 ppb
20204.28 ppb65ND - 11.0 ppb
20212.03 ppb63ND - 9.61 ppb
20222.43 ppb62ND - 13.3 ppb
20232.88 ppb63ND - 14.4 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
2018-03-08Q1809770011ND
2018-03-08Q1809770013ND
2018-03-08Q18097700159.24 ppb
2018-03-08Q18097700101.27 ppb
2018-09-18Q18374490011.45 ppb
2018-09-18Q1837449002ND
2019-06-04Q19311890161.90 ppb
2019-06-04Q1931189017ND
2019-06-04Q193118901114.3 ppb
2019-06-04Q1931189009ND
2019-06-04Q1931189007ND
2019-06-04Q19311890051.05 ppb
2020-06-17Q20246440041.55 ppb
2020-06-17Q20246440111.66 ppb
2020-06-17Q2024644012ND
2020-08-11Q20317970079.83 ppb
2020-08-11Q20317970091.65 ppb
2020-08-11Q203179701111.0 ppb
2021-06-02Q21142090041.09 ppb
2021-06-02Q21142090109.61 ppb
2021-06-02Q2114209008ND
2021-06-02Q2114209006ND
2021-09-14Q21250180011.49 ppb
2021-09-14Q2125018002ND
2022-03-07Q2207619008ND
2022-03-07Q2207619010ND
2022-03-07Q2207619012ND
2022-03-07Q220761901413.3 ppb
2022-08-08Q22227480011.27 ppb
2022-08-08Q2222748002ND
2023-04-24Q23152290041.17 ppb
2023-06-05Q23208260111.68 ppb
2023-06-05Q2320826012ND
2023-06-05Q2320826020ND
2023-06-05Q2320826022ND
2023-06-05Q232082602414.4 ppb