Know Your Environment. Protect Your Health.

Bromoform

Chehalis 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.

 

84

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND180ND
2019ND160ND
2020N/A00N/A
2021ND160ND
2022ND180ND
2023ND160ND

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
2018-01-18ND
2018-01-18ND
2018-01-18ND
2018-01-18ND
2018-04-18ND
2018-04-18ND
2018-04-18ND
2018-04-18ND
2018-07-12ND
2018-07-12ND
2018-07-12ND
2018-07-12ND
2018-08-02ND
2018-08-02ND
2018-10-18ND
2018-10-18ND
2018-10-18ND
2018-10-18ND
2019-01-10ND
2019-01-10ND
2019-01-10ND
2019-01-10ND
2019-04-18ND
2019-04-18ND
2019-04-18ND
2019-04-18ND
2019-07-16ND
2019-07-16ND
2019-07-16ND
2019-07-16ND
2019-10-16ND
2019-10-16ND
2019-10-16ND
2019-10-16ND
2021-01-074061218ND
2021-01-074061221ND
2021-01-074061220ND
2021-01-074061219ND
2021-04-204109391ND
2021-04-204109390ND
2021-04-204109392ND
2021-04-204109394ND
2021-07-154146376ND
2021-07-154146375ND
2021-07-154146377ND
2021-07-154146374ND
2021-10-084192140ND
2021-10-084192139ND
2021-10-084192138ND
2021-10-084192137ND
2022-01-104232377ND
2022-01-104232375ND
2022-01-104232374ND
2022-01-104232376ND
2022-04-064266361ND
2022-04-064266359ND
2022-04-064266360ND
2022-04-064266358ND
2022-07-204311612ND
2022-07-204311609ND
2022-07-204311607ND
2022-07-204311611ND
2022-10-124368428ND
2022-10-124368429ND
2022-10-124368430ND
2022-10-124368431ND
2022-12-274400704ND
2022-12-274400704ND
2023-01-054400267ND
2023-01-054400270ND
2023-01-054400269ND
2023-01-054400268ND
2023-04-104445040ND
2023-04-104445046ND
2023-04-104445042ND
2023-04-104445044ND
2023-07-144492333ND
2023-07-144492334ND
2023-07-144492331ND
2023-07-144492332ND
2023-10-064533092ND
2023-10-064533094ND
2023-10-064533093ND
2023-10-064533095ND