Know Your Environment. Protect Your Health.

Bromoform

Oil City Water Works

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.

 

71

Samples

0

Samples exceeding legal limit (MCL)

7

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND160ND
20190.0963 ppb164ND - 0.410 ppb
202035.7 ppb124ND - 176.0 ppb
202144.0 ppb113ND - 199.0 ppb
2022ND80ND
2023ND80ND

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
2018-01-1935369360001ND
2018-01-1935369360002ND
2018-01-1935369360002ND
2018-01-1935369360001ND
2018-04-0535384642002ND
2018-04-0535384642001ND
2018-04-0535384642002ND
2018-04-0535384642001ND
2018-07-1235404359001ND
2018-07-1235404359002ND
2018-07-1235404359001ND
2018-07-1235404359002ND
2018-10-0435422547001ND
2018-10-0435422547001ND
2018-10-0435422547002ND
2018-10-0435422547002ND
2019-01-1035441824001ND
2019-01-1035441824002ND
2019-01-1035441824001ND
2019-01-1035441824002ND
2019-04-0335459674001ND
2019-04-0335459674002ND
2019-04-0335459674001ND
2019-04-0335459674002ND
2019-07-1135481744002ND
2019-07-1135481744001ND
2019-07-1135481744001ND
2019-07-1135481744002ND
2019-10-09355045810010.410 ppb
2019-10-09355045810020.360 ppb
2019-10-09355045810020.360 ppb
2019-10-09355045810010.410 ppb
2020-01-1535525058002ND
2020-01-15355250580010.660 ppb
2020-04-2235545542002ND
2020-04-2235545542001ND
2020-05-1235550011002123.0 ppb
2020-05-1235550011001ND
2020-07-1735564171001ND
2020-07-1735564171002ND
2020-07-1735564171003129.0 ppb
2020-10-2935588740003176.0 ppb
2020-10-2935588740002ND
2020-10-2935588740001ND
2021-01-1535605248003122.0 ppb
2021-01-1535605248002ND
2021-01-1535605248001ND
2021-04-1635626865002ND
2021-04-1635626865003163.0 ppb
2021-04-1635626865001ND
2021-07-2035649689003199.0 ppb
2021-07-2035649689002ND
2021-07-2035649689001ND
2021-11-0335676688002ND
2021-11-0335676688001ND
2022-01-2635693469002ND
2022-01-2635693469001ND
2022-04-1235710571001ND
2022-04-1235710571002ND
2022-07-2235734411001ND
2022-07-2235734411002ND
2022-10-0635751828001ND
2022-10-0635751828002ND
2023-01-1335772827001ND
2023-01-1335772827002ND
2023-04-1435793707001ND
2023-04-1435793707002ND
2023-07-2135815055001ND
2023-07-2135815055002ND
2023-10-0635832948001ND
2023-10-0635832948002ND