Know Your Environment. Protect Your Health.

Dibromochloromethane

Walnut Grove Utilities

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.

 

59

Samples

0

Samples exceeding legal limit (MCL)

34

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20181.60 ppb43ND - 3.60 ppb
20191.000 ppb31ND - 3.00 ppb
20200.767 ppb125ND - 2.60 ppb
20210.681 ppb115ND - 2.30 ppb
20221.99 ppb119ND - 4.30 ppb
20230.772 ppb1811ND - 2.30 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
2018-03-08282649-2018-DW0.600 ppb
2018-03-08282650-2018-DWND
2018-08-14292104-2018-DW2.20 ppb
2018-08-14292105-2018-DW3.60 ppb
2019-07-16309019-2019-DWND
2019-08-21310993-2019-DW3.00 ppb
2019-08-21310994-2019-DWND
2020-02-19320756-2020-DWND
2020-02-19320756-2020-DWND
2020-02-24320967-2020-DWND
2020-02-24320967-2020-DWND
2020-02-24320966-2020-DWND
2020-02-24320966-2020-DWND
2020-05-27325626-2020-DWND
2020-05-28325700-2020-DW1.80 ppb
2020-08-24331120-2020-DW2.10 ppb
2020-08-25331241-2020-DW0.600 ppb
2020-11-17335908-2020-DW2.10 ppb
2020-11-17335909-2020-DW2.60 ppb
2021-02-257361577001ND
2021-02-257361577002ND
2021-03-187364280001ND
2021-03-187364282001VND
2021-04-2273685890010.590 ppb
2021-05-1373713270011.60 ppb
2021-05-137371329001ND
2021-08-111085091-012.00 ppb
2021-08-111085094-011.000 ppb
2021-09-077387721001AND
2021-12-22810-11094-12.30 ppb
2022-02-22810-15826-14.30 ppb
2022-02-22810-15825-10.870 ppb
2022-05-16FWE0089-013.20 ppb
2022-05-16FWE0077-010.980 ppb
2022-08-09FWG0302-013.90 ppb
2022-08-10FWG0299-013.30 ppb
2022-10-26FWJ0181-01ND
2022-11-14FWJ0190-011.20 ppb
2022-11-14FWJ01840.520 ppb
2022-11-14FWJ0172-013.60 ppb
2022-11-15FWJ0191ND
2023-02-07FXB0070-01ND
2023-02-07FXB0061-01ND
2023-02-09FXB0077-01ND
2023-02-15FXB0428-012.30 ppb
2023-02-15FXB0444-010.650 ppb
2023-04-04FXC05100.700 ppb
2023-04-04FXC0539-01ND
2023-04-05FXC0546-010.550 ppb
2023-04-05FXC0561-012.30 ppb
2023-04-06FXC0504-01ND
2023-04-06FXD0264-01ND
2023-05-31FXE0919-011.40 ppb
2023-05-31FXE0920-011.30 ppb
2023-08-02FXF0580-01ND
2023-08-15FXF0561-011.20 ppb
2023-08-15FXF0562-011.10 ppb
2023-11-14683540011.40 ppb
2023-11-14683539011.000 ppb