Know Your Environment. Protect Your Health.

Dibromochloromethane

Olympic View Water & Sewer District

Dibromochloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Dibromochloromethane 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)

36

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.38 ppb176ND - 7.00 ppb
20191.53 ppb165ND - 7.19 ppb
2020N/A00N/A
20211.54 ppb168ND - 6.52 ppb
20221.76 ppb1710ND - 7.16 ppb
20230.986 ppb167ND - 6.91 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.1 ppb

The EWG Health Guideline of 0.1 ppb for dibromochloromethane was 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 and harm to fetal growth and development.

ppb = parts per billion

All test results

Date Lab ID Result
2018-03-130.610 ppb
2018-03-13ND
2018-03-13ND
2018-03-135.25 ppb
2018-06-064.20 ppb
2018-06-12ND
2018-06-12ND
2018-06-125.97 ppb
2018-06-12ND
2018-09-117.00 ppb
2018-09-11ND
2018-09-11ND
2018-09-11ND
2018-12-11ND
2018-12-110.510 ppb
2018-12-11ND
2018-12-11ND
2019-03-12ND
2019-03-12ND
2019-03-12ND
2019-03-12ND
2019-06-11ND
2019-06-11ND
2019-06-116.94 ppb
2019-06-11ND
2019-09-11ND
2019-09-11ND
2019-09-116.76 ppb
2019-09-11ND
2019-12-10ND
2019-12-107.19 ppb
2019-12-100.638 ppb
2019-12-103.03 ppb
2021-03-0940890156.52 ppb
2021-03-094089012ND
2021-03-0940890142.65 ppb
2021-03-0940890131.53 ppb
2021-06-1541308154.05 ppb
2021-06-154130814ND
2021-06-154130812ND
2021-06-154130813ND
2021-09-1441725010.735 ppb
2021-09-1441725025.86 ppb
2021-09-144172499ND
2021-09-144172500ND
2021-12-014215960ND
2021-12-014215958ND
2021-12-0142159612.46 ppb
2021-12-0142159590.758 ppb
2022-02-234253232ND
2022-03-0842582223.64 ppb
2022-03-0842582235.98 ppb
2022-03-0842582211.21 ppb
2022-03-084258220ND
2022-06-144295084ND
2022-06-1442950862.21 ppb
2022-06-1442950851.84 ppb
2022-06-1442950877.16 ppb
2022-09-134343596ND
2022-09-1343435975.80 ppb
2022-09-134343595ND
2022-09-134343594ND
2022-12-134385584ND
2022-12-1343855870.809 ppb
2022-12-1343855850.628 ppb
2022-12-1343855860.580 ppb
2023-03-144426552ND
2023-03-144426554ND
2023-03-1444265530.546 ppb
2023-03-1444265550.669 ppb
2023-06-134468684ND
2023-06-134468682ND
2023-06-134468683ND
2023-06-1344686855.07 ppb
2023-09-124514547ND
2023-09-1245145506.91 ppb
2023-09-124514548ND
2023-09-1245145490.848 ppb
2023-12-124557049ND
2023-12-1245570501.22 ppb
2023-12-1245570480.513 ppb
2023-12-124557047ND