Know Your Environment. Protect Your Health.

Dibromochloromethane

Solano Irrigation District - Pleasant Hills Ranch

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.

 

23

Samples

0

Samples exceeding legal limit (MCL)

10

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
20190.300 ppb41ND - 1.20 ppb
2020ND40ND
20210.162 ppb51ND - 0.810 ppb
20220.760 ppb550.600 ppb - 1.10 ppb
20230.673 ppb43ND - 1.40 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
2018-10-16CA4810025_DST_801-201810161320ND
2019-01-16CA4810025_DST_801-201901160855ND
2019-04-15CA4810025_DST_801-2019041510551.20 ppb
2019-07-15CA4810025_DST_801-201907150735ND
2019-10-14CA4810025_DST_801-201910141145ND
2020-01-13CA4810025_DST_801-202001131315ND
2020-04-13CA4810025_DST_801-202004130935ND
2020-07-16CA4810025_DST_801-202007161120ND
2020-10-12CA4810025_DST_801-202010121010ND
2021-01-11CA4810025_DST_801-202101111002ND
2021-01-28CA4810025_DST_801-202101281118ND
2021-04-13CA4810025_DST_801-202104131424ND
2021-07-12CA4810025_DST_801-202107121318ND
2021-10-13CA4810025_DST_801-2021101310470.810 ppb
2022-01-10CA4810025_DST_801-2022011008500.600 ppb
2022-02-01CA4810025_DST_801-2022020109460.780 ppb
2022-04-12CA4810025_DST_801-2022041212051.10 ppb
2022-07-12CA4810025_DST_801-2022071207480.680 ppb
2022-10-11CA4810025_DST_801-2022101108050.640 ppb
2023-01-10CA4810025_DST_801-2023011008300.630 ppb
2023-04-11CA4810025_DST_801-2023041108001.40 ppb
2023-07-11CA4810025_DST_801-2023071111400.660 ppb
2023-10-10CA4810025_DST_801-202310100755ND