Know Your Environment. Protect Your Health.

Dibromochloromethane

City Of Waterford

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND20ND
2021ND40ND
2022ND20ND
20230.160 ppb41ND - 0.640 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
2018-07-26CA5010006_DST_902-201807260821ND
2018-07-26CA5010006_DST_900-201807260850ND
2019-07-22CA5010006_DST_900-201907220821ND
2019-07-22CA5010006_DST_902-201907220847ND
2020-07-22CA5010006_DST_900-202007220920ND
2020-07-22CA5010006_DST_902-202007220955ND
2021-07-27CA5010006_DST_902-202107270835ND
2021-07-27CA5010006_DST_902-202107270835ND
2021-07-27CA5010006_DST_900-202107270910ND
2021-07-27CA5010006_DST_900-202107270910ND
2022-07-13CA5010006_DST_900-202207131205ND
2022-07-13CA5010006_DST_902-202207131220ND
2023-07-25CA5010006_DST_900-202307251220ND
2023-07-25CA5010006_DST_902-2023072513100.640 ppb
2023-08-29CA5010006_DST_902-202308290944ND
2023-08-29CA5010006_DST_900-202308290921ND