Know Your Environment. Protect Your Health.

Dibromochloromethane

Leadsville Psd

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.

 

25

Samples

0

Samples exceeding legal limit (MCL)

10

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.760 ppb440.460 ppb - 1.16 ppb
20190.238 ppb42ND - 0.560 ppb
20200.396 ppb54ND - 0.560 ppb
2021ND40ND
2022ND40ND
2023ND40ND

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
2018-02-1318021762-02A1.16 ppb
2018-05-1418052007-01A0.650 ppb
2018-08-1318082075-01A0.460 ppb
2018-11-1318111775-01A0.770 ppb
2019-02-1219021559-01A0.560 ppb
2019-05-1419051971-01AND
2019-08-1335491508001ND
2019-11-127381100010.390 ppb
2020-02-1073174100010.560 ppb
2020-02-1073174100010.560 ppb
2020-05-127327593001ND
2020-08-1273385150020.500 ppb
2020-11-1073499720010.360 ppb
2021-02-167360537001ND
2021-05-137371358001ND
2021-08-177384800001ND
2021-11-161114688-01ND
2022-02-152024771-02ND
2022-05-172054795-02ND
2022-08-252086006-02ND
2022-11-212114897-02ND
2023-02-163024531-02ND
2023-06-293072708-01ND
2023-08-173084876-01ND
2023-11-013112773-02ND