Know Your Environment. Protect Your Health.

Bromoform

LPWD South

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.

 

128

Samples

0

Samples exceeding legal limit (MCL)

112

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.24 ppb3226ND - 2.40 ppb
20191.15 ppb3226ND - 2.00 ppb
20201.45 ppb1615ND - 2.10 ppb
20211.60 ppb16160.640 ppb - 2.40 ppb
20221.10 ppb1613ND - 2.00 ppb
20231.33 ppb16160.860 ppb - 2.30 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
2018-02-08353740390011.30 ppb
2018-02-08353740390021.50 ppb
2018-02-08353740390031.90 ppb
2018-02-08353740390042.00 ppb
2018-02-08353740390011.30 ppb
2018-02-08353740390021.50 ppb
2018-02-08353740390031.90 ppb
2018-02-08353740390042.00 ppb
2018-05-03353903380010.930 ppb
2018-05-03353903380021.10 ppb
2018-05-03353903380031.20 ppb
2018-05-03353903380041.10 ppb
2018-05-03353903380010.930 ppb
2018-05-03353903380021.10 ppb
2018-05-03353903380031.20 ppb
2018-05-03353903380041.10 ppb
2018-08-02354086080011.20 ppb
2018-08-02354086080021.40 ppb
2018-08-02354086080031.90 ppb
2018-08-02354086080041.90 ppb
2018-08-02354086080011.20 ppb
2018-08-02354086080021.40 ppb
2018-08-02354086080031.90 ppb
2018-08-02354086080041.90 ppb
2018-11-1535432282001ND
2018-11-1535432282002ND
2018-11-15354322820032.40 ppb
2018-11-1535432282004ND
2018-11-1535432282001ND
2018-11-1535432282002ND
2018-11-15354322820032.40 ppb
2018-11-1535432282004ND
2019-02-0635447079001ND
2019-02-06354470790020.930 ppb
2019-02-06354470790032.00 ppb
2019-02-06354470790041.40 ppb
2019-02-0635447079001ND
2019-02-06354470790020.930 ppb
2019-02-06354470790032.00 ppb
2019-02-06354470790041.40 ppb
2019-05-09354682930011.10 ppb
2019-05-09354682930021.50 ppb
2019-05-09354682930031.80 ppb
2019-05-09354682930041.30 ppb
2019-05-09354682930011.10 ppb
2019-05-09354682930021.50 ppb
2019-05-09354682930031.80 ppb
2019-05-09354682930041.30 ppb
2019-08-02354868570010.890 ppb
2019-08-02354868570021.30 ppb
2019-08-02354868570031.50 ppb
2019-08-02354868570041.70 ppb
2019-08-02354868570010.890 ppb
2019-08-02354868570021.30 ppb
2019-08-02354868570031.50 ppb
2019-08-02354868570041.70 ppb
2019-11-1235512664001ND
2019-11-1235512664002ND
2019-11-12355126640031.50 ppb
2019-11-12355126640041.40 ppb
2019-11-1235512664001ND
2019-11-1235512664002ND
2019-11-12355126640031.50 ppb
2019-11-12355126640041.40 ppb
2020-02-06355294850011.10 ppb
2020-02-06355294850021.30 ppb
2020-02-06355294850032.00 ppb
2020-02-06355294850041.90 ppb
2020-05-01355471670011.20 ppb
2020-05-01355471670021.40 ppb
2020-05-01355471670032.10 ppb
2020-05-01355471670041.80 ppb
2020-08-13355708740010.970 ppb
2020-08-21355726930010.980 ppb
2020-08-21355726930021.90 ppb
2020-11-0935591341001ND
2020-11-09355913410021.40 ppb
2020-11-09355913410032.00 ppb
2020-11-09355913410041.80 ppb
2020-11-20355940570011.30 ppb
2021-02-10356118380011.10 ppb
2021-02-10356118380021.30 ppb
2021-02-10356118380031.60 ppb
2021-02-10356118380041.60 ppb
2021-05-13356338260011.50 ppb
2021-05-13356338260021.70 ppb
2021-05-13356338260032.40 ppb
2021-05-13356338260042.20 ppb
2021-08-26356596360010.640 ppb
2021-08-26356596360021.10 ppb
2021-08-26356596360031.80 ppb
2021-08-26356596360041.60 ppb
2021-11-03356765950011.40 ppb
2021-11-03356765950021.60 ppb
2021-11-03356765950032.20 ppb
2021-11-03356765950041.80 ppb
2022-02-2335699368001ND
2022-02-2335699368002ND
2022-02-2335699368003ND
2022-02-23356993680041.40 ppb
2022-05-24357210660071.10 ppb
2022-05-24357210660081.50 ppb
2022-05-24357210660091.40 ppb
2022-05-24357210660101.60 ppb
2022-08-11357406780011.000 ppb
2022-08-11357406780021.20 ppb
2022-08-11357406780032.00 ppb
2022-08-11357406780041.40 ppb
2022-11-07357588790010.990 ppb
2022-11-07357588790021.30 ppb
2022-11-07357588790031.40 ppb
2022-11-07357588790041.30 ppb
2023-02-22357820440010.950 ppb
2023-02-22357820440020.860 ppb
2023-02-22357820440031.20 ppb
2023-02-22357820440041.10 ppb
2023-05-10357992520010.980 ppb
2023-05-10357992520021.30 ppb
2023-05-10357992520032.30 ppb
2023-05-10357992520041.30 ppb
2023-08-17358219800010.970 ppb
2023-08-17358219800021.20 ppb
2023-08-17358219800031.60 ppb
2023-08-17358219800041.40 ppb
2023-11-03358392880010.980 ppb
2023-11-03358392880021.60 ppb
2023-11-03358392880032.00 ppb
2023-11-03358392880041.60 ppb