Know Your Environment. Protect Your Health.

Bromoform

Hoquiam 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.

 

78

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND140ND
2019ND160ND
2020N/A00N/A
2021ND160ND
2022ND160ND
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
2018-02-13ND
2018-02-13ND
2018-05-29ND
2018-05-29ND
2018-06-26ND
2018-06-26ND
2018-08-14ND
2018-08-14ND
2018-08-14ND
2018-08-14ND
2018-11-27ND
2018-11-27ND
2018-11-27ND
2018-11-27ND
2019-02-28ND
2019-02-28ND
2019-02-28ND
2019-02-28ND
2019-05-07ND
2019-05-07ND
2019-05-21ND
2019-05-21ND
2019-08-27ND
2019-08-27ND
2019-08-27ND
2019-08-27ND
2019-12-19ND
2019-12-19ND
2019-12-19ND
2019-12-19ND
2021-01-194065595ND
2021-01-194065588ND
2021-01-194065591ND
2021-01-194065599ND
2021-04-204109469ND
2021-04-204109470ND
2021-04-204109468ND
2021-04-204109471ND
2021-07-204147033ND
2021-07-204147032ND
2021-07-204147031ND
2021-07-204147030ND
2021-10-194196561ND
2021-10-194196560ND
2021-10-264197707ND
2021-10-264197708ND
2022-01-184234252ND
2022-01-184234246ND
2022-01-184234260ND
2022-01-184234256ND
2022-04-124274904ND
2022-04-124274901ND
2022-04-124274902ND
2022-04-124274903ND
2022-07-264363800ND
2022-07-264363799ND
2022-07-264363801ND
2022-07-264363798ND
2022-10-254374936ND
2022-10-254374938ND
2022-10-254374937ND
2022-10-254374939ND
2023-01-314411919ND
2023-01-314411918ND
2023-01-314411917ND
2023-01-314411916ND
2023-04-044439717ND
2023-04-044439719ND
2023-04-044439718ND
2023-04-044439720ND
2023-07-254505789ND
2023-07-254505787ND
2023-07-254505794ND
2023-07-254505792ND
2023-10-314548842ND
2023-10-314548844ND
2023-10-314548843ND
2023-10-314548845ND