Know Your Environment. Protect Your Health.

Bromoform

Olympic View Water & Sewer District

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.

 

82

Samples

0

Samples exceeding legal limit (MCL)

9

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.109 ppb173ND - 0.700 ppb
20190.128 ppb163ND - 0.847 ppb
2020N/A00N/A
20210.0696 ppb162ND - 0.599 ppb
2022ND170ND
20230.0812 ppb162ND - 0.799 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
2018-03-13ND
2018-03-13ND
2018-03-13ND
2018-03-13ND
2018-06-060.700 ppb
2018-06-12ND
2018-06-12ND
2018-06-120.530 ppb
2018-06-12ND
2018-09-11ND
2018-09-11ND
2018-09-110.630 ppb
2018-09-11ND
2018-12-11ND
2018-12-11ND
2018-12-11ND
2018-12-11ND
2019-03-12ND
2019-03-12ND
2019-03-12ND
2019-03-12ND
2019-06-11ND
2019-06-110.847 ppb
2019-06-11ND
2019-06-11ND
2019-09-11ND
2019-09-11ND
2019-09-11ND
2019-09-110.529 ppb
2019-12-10ND
2019-12-10ND
2019-12-100.668 ppb
2019-12-10ND
2021-03-0940890150.599 ppb
2021-03-094089013ND
2021-03-094089014ND
2021-03-094089012ND
2021-06-154130815ND
2021-06-154130813ND
2021-06-154130812ND
2021-06-154130814ND
2021-09-144172501ND
2021-09-144172500ND
2021-09-1441725020.515 ppb
2021-09-144172499ND
2021-12-014215958ND
2021-12-014215961ND
2021-12-014215959ND
2021-12-014215960ND
2022-02-234253232ND
2022-03-084258223ND
2022-03-084258222ND
2022-03-084258220ND
2022-03-084258221ND
2022-06-144295085ND
2022-06-144295087ND
2022-06-144295084ND
2022-06-144295086ND
2022-09-134343596ND
2022-09-134343595ND
2022-09-134343594ND
2022-09-134343597ND
2022-12-134385584ND
2022-12-134385585ND
2022-12-134385587ND
2022-12-134385586ND
2023-03-144426554ND
2023-03-144426555ND
2023-03-144426552ND
2023-03-144426553ND
2023-06-134468683ND
2023-06-134468684ND
2023-06-1344686850.500 ppb
2023-06-134468682ND
2023-09-124514549ND
2023-09-124514548ND
2023-09-1245145500.799 ppb
2023-09-124514547ND
2023-12-124557049ND
2023-12-124557047ND
2023-12-124557048ND
2023-12-124557050ND