Know Your Environment. Protect Your Health.

Dibromochloromethane

Terra Bella Irrigation District - Tbt

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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

14

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019ND80ND
2020ND80ND
20210.738 ppb84ND - 2.10 ppb
20224.20 ppb86ND - 11.0 ppb
20236.50 ppb84ND - 15.0 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
2018-03-15CA5410038_DST_901-201803151055ND
2018-03-15CA5410038_DST_900-201803151120ND
2018-05-17CA5410038_DST_900-201805170940ND
2018-05-17CA5410038_DST_901-201805170920ND
2018-09-06CA5410038_DST_900-201809061030ND
2018-09-06CA5410038_DST_901-201809061050ND
2018-12-06CA5410038_DST_900-201812061115ND
2018-12-06CA5410038_DST_901-201812061100ND
2019-02-25CA5410038_DST_900-201902251030ND
2019-02-25CA5410038_DST_901-201902251040ND
2019-06-10CA5410038_DST_900-201906100940ND
2019-06-10CA5410038_DST_901-201906100930ND
2019-08-16CA5410038_DST_900-201908160900ND
2019-08-16CA5410038_DST_901-201908160930ND
2019-11-20CA5410038_DST_901-201911200929ND
2019-11-20CA5410038_DST_900-201911200905ND
2020-02-20CA5410038_DST_900-202002200915ND
2020-02-20CA5410038_DST_901-202002200845ND
2020-05-18CA5410038_DST_900-202005180900ND
2020-05-18CA5410038_DST_901-202005180930ND
2020-08-19CA5410038_DST_900-202008190940ND
2020-08-19CA5410038_DST_901-202008191000ND
2020-11-03CA5410038_DST_901-202011030949ND
2020-11-03CA5410038_DST_900-202011030905ND
2021-02-25CA5410038_DST_901-2021022513181.30 ppb
2021-02-25CA5410038_DST_900-2021022512462.10 ppb
2021-05-14CA5410038_DST_900-202105140800ND
2021-05-14CA5410038_DST_901-202105140832ND
2021-08-12CA5410038_DST_900-2021081208401.30 ppb
2021-08-12CA5410038_DST_901-2021081209001.20 ppb
2021-11-18CA5410038_DST_901-202111180935ND
2021-11-18CA5410038_DST_900-202111180920ND
2022-02-17CA5410038_DST_901-202202171315ND
2022-02-17CA5410038_DST_900-202202171300ND
2022-05-11CA5410038_DST_901-2022051109055.30 ppb
2022-05-11CA5410038_DST_900-2022051109335.70 ppb
2022-08-16CA5410038_DST_900-2022081608101.80 ppb
2022-08-16CA5410038_DST_901-2022081609100.610 ppb
2022-11-30CA5410038_DST_901-20221130083011.0 ppb
2022-11-30CA5410038_DST_900-2022113007509.20 ppb
2023-02-21CA5410038_DST_900-20230221092011.0 ppb
2023-02-21CA5410038_DST_901-20230221082011.0 ppb
2023-05-16CA5410038_DST_900-202305160900ND
2023-05-16CA5410038_DST_901-202305160915ND
2023-08-15CA5410038_DST_900-202308150830ND
2023-08-15CA5410038_DST_901-202308150920ND
2023-11-21CA5410038_DST_900-20231121072415.0 ppb
2023-11-21CA5410038_DST_901-20231121080015.0 ppb