Know Your Environment. Protect Your Health.

Bromoform

Paris PWS

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.

 

49

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019ND80ND
2020ND90ND
2021ND80ND
2022ND80ND
20230.0800 ppb81ND - 0.640 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
2018-02-20AD14216ND
2018-02-20AD14215ND
2018-05-15AD20448ND
2018-05-15AD20449ND
2018-08-09AD31121ND
2018-08-09AD31122ND
2018-11-13AD35658ND
2018-11-13AD35659ND
2019-02-12AD39326ND
2019-02-12AD39327ND
2019-05-13AD47408ND
2019-05-13AD47407ND
2019-08-14AD53846ND
2019-08-14AD53847ND
2019-12-03AD58033ND
2019-12-03AD58034ND
2020-02-062001978ND
2020-02-062001977ND
2020-05-192008826ND
2020-05-192008825ND
2020-08-172014238ND
2020-08-172014239ND
2020-09-152015957ND
2020-11-232017945ND
2020-11-232017946ND
2021-02-092100597ND
2021-02-092100596ND
2021-05-102110868ND
2021-05-102110867ND
2021-08-242115210ND
2021-08-242115211ND
2021-11-222119431ND
2021-11-222119432ND
2022-02-152201890ND
2022-02-152201891ND
2022-05-242211488ND
2022-05-242211487ND
2022-08-222216172ND
2022-08-222216171ND
2022-12-132221093ND
2022-12-132221092ND
2023-02-142300515ND
2023-02-142300514ND
2023-07-242310927ND
2023-07-242310928ND
2023-08-1523132340.640 ppb
2023-08-152313235ND
2023-12-132318196ND
2023-12-132318197ND