Know Your Environment. Protect Your Health.

Bromoform

Barton Creek 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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

11

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.625 ppb42ND - 1.40 ppb
20190.875 ppb42ND - 2.40 ppb
20201.60 ppb41ND - 6.40 ppb
20210.825 ppb42ND - 2.10 ppb
2022ND40ND
20232.88 ppb441.20 ppb - 6.80 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
2018-02-15AE140461.40 ppb
2018-05-14AE261031.10 ppb
2018-08-13AE36616ND
2018-11-19AE46412ND
2019-02-14AE545592.40 ppb
2019-05-28AE682141.10 ppb
2019-08-20AE79544ND
2019-11-25AE90371ND
2020-03-03AF00831ND
2020-04-20AF07142ND
2020-07-23AF20313ND
2020-10-19AF310736.40 ppb
2021-01-25AF406941.20 ppb
2021-04-06AF49078ND
2021-07-07AF609362.10 ppb
2021-10-21AF74308ND
2022-02-10AF84213ND
2022-04-28AF94814ND
2022-08-17AG09645ND
2022-10-19AG17600ND
2023-02-14AG288142.10 ppb
2023-04-11AG362111.40 ppb
2023-07-18AG490041.20 ppb
2023-10-11AG594196.80 ppb