Know Your Environment. Protect Your Health.

Bromoform

Pendleton Water Association

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.

 

64

Samples

0

Samples exceeding legal limit (MCL)

4

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND160ND
2019ND160ND
2020ND80ND
2021ND80ND
20220.374 ppb84ND - 0.840 ppb
20230.0525 ppb81ND - 0.420 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
2018-01-2435370508001ND
2018-01-2435370508002ND
2018-01-2435370508002ND
2018-01-2435370508001ND
2018-04-2635388820002ND
2018-04-2635388820001ND
2018-04-2635388820002ND
2018-04-2635388820001ND
2018-07-2335406479001ND
2018-07-2335406479002ND
2018-07-2335406479001ND
2018-07-2335406479002ND
2018-10-1835425485001ND
2018-10-1835425485001ND
2018-10-1835425485002ND
2018-10-1835425485002ND
2019-01-2335444330001ND
2019-01-2335444330002ND
2019-01-2335444330001ND
2019-01-2335444330002ND
2019-04-1535462942001ND
2019-04-1535462942002ND
2019-04-1535462942001ND
2019-04-1535462942002ND
2019-07-1735483517002ND
2019-07-1735483517001ND
2019-07-1735483517001ND
2019-07-1735483517002ND
2019-10-2335507606001ND
2019-10-2335507606002ND
2019-10-2335507606002ND
2019-10-2335507606001ND
2020-01-1535524951002ND
2020-01-1535524951001ND
2020-04-2135545539001ND
2020-04-2135545539002ND
2020-07-2135565511001ND
2020-07-2135565511002ND
2020-10-1935586516001ND
2020-10-1935586516002ND
2021-01-1935606332001ND
2021-01-1935606332002ND
2021-04-2635629169001ND
2021-04-2635629169002ND
2021-07-0635646129001ND
2021-07-0635646129002ND
2021-11-0835676705001ND
2021-11-0835676705002ND
2022-01-1835691929002ND
2022-01-1835691929001ND
2022-04-1235710594002ND
2022-04-1235710594001ND
2022-07-12357316260020.740 ppb
2022-07-12357316260010.680 ppb
2022-10-11357531390020.840 ppb
2022-10-11357531390010.730 ppb
2023-01-0435770752001ND
2023-01-04357707520020.420 ppb
2023-04-1135792412001ND
2023-04-1135792412002ND
2023-07-1735814822001ND
2023-07-1735814822002ND
2023-10-1735835672001ND
2023-10-1735835672002ND