Know Your Environment. Protect Your Health.

Dibromochloromethane

Farmington Town Of

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)

8

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.625 ppb440.460 ppb - 0.780 ppb
20190.625 ppb42ND - 1.40 ppb
20200.320 ppb52ND - 0.900 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
2018-02-1218021493-02A0.460 ppb
2018-05-1418051990-01A0.760 ppb
2018-08-0618081712-01A0.780 ppb
2018-10-1518102132-02A0.500 ppb
2019-02-1919022399-02AND
2019-05-2019052599-01AND
2019-08-22310883-2019-DW1.40 ppb
2019-11-04315305-2019-DW1.10 ppb
2020-02-03319744-2020-DWND
2020-02-03319744-2020-DWND
2020-05-01324169-2020-DW0.900 ppb
2020-08-05329370-2020-DWND
2020-11-02334872-2020-DW0.700 ppb
2021-02-03339113-2021-DWND
2021-05-05342497-2021-DWND
2021-08-237385510003ND
2021-12-302013325-02ND
2022-02-072024197-02ND
2022-05-252061539-02ND
2022-08-032083721-02ND
2022-11-032113130-02ND
2023-02-123024122-02ND
2023-05-013052809-02ND
2023-08-163084536-02ND
2023-11-143113794-02ND