Know Your Environment. Protect Your Health.

Bromoform

South Norwalk Electric and Water

Bromoform, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromoform and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

 

102

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND170ND
2019ND170ND
2020ND170ND
2021ND170ND
2022ND170ND
2023ND170ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.5 ppb

The EWG Health Guideline of 0.5 ppb for bromoform is 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, harm to reproduction and child development, and change to fetal growth and development .

ppb = parts per billion

All test results

Date Lab ID Result
2018-02-0618020622-TTHMND
2018-02-0618020626-TTHMND
2018-02-0618020632-TTHMND
2018-02-0618020637-TTHMND
2018-05-0918050922-TTHMND
2018-05-0918050926-TTHMND
2018-05-0918050932-TTHMND
2018-05-0918050937-TTHMND
2018-05-0918050907-VOC1ND
2018-08-0718080722-TTHMND
2018-08-0718080726-TTHMND
2018-08-0718080732-TTHMND
2018-08-0718080737-TTHMND
2018-11-0618110622-TTHMND
2018-11-0618110626-TTHMND
2018-11-0618110632-TTHMND
2018-11-2918112937-TTHMND
2019-02-1319021322-TTHMND
2019-02-1319021326-TTHMND
2019-02-1319021332-TTHMND
2019-02-1319021337-TTHMND
2019-05-0719050732-TTHMND
2019-05-0719050737-TTHMND
2019-05-0719050722-TTHMND
2019-05-0719050726-TTHMND
2019-05-0919050907-VOC1ND
2019-08-0619080622-TTHMND
2019-08-0619080626-TTHMND
2019-08-0619080632-TTHMND
2019-08-0619080639-TTHMND
2019-11-1319111322-TTHMND
2019-11-1319111326-TTHMND
2019-11-1319111332-TTHMND
2019-11-1319111339-TTHMND
2020-02-1220021222-TTHMND
2020-02-1220021226-TTHMND
2020-02-1220021232-TTHMND
2020-02-1220021239-TTHMND
2020-05-1220051222-TTHMND
2020-05-1220051226-TTHMND
2020-05-1220051232-TTHMND
2020-05-1220051239-TTHMND
2020-06-1120061107-VOC1ND
2020-08-1120081122-TTHMND
2020-08-1120081126-TTHMND
2020-08-1120081132-TTHMND
2020-08-1120081139-TTHMND
2020-11-1020111022-TTHMND
2020-11-1020111026-TTHMND
2020-11-1020111032-TTHMND
2020-11-1020111039-TTHMND
2021-02-1021021022-TTHMND
2021-02-1021021026-TTHMND
2021-02-1021021032-TTHMND
2021-02-1021021039-TTHMND
2021-05-1221051222-TTHMND
2021-05-1221051226-TTHMND
2021-05-1221051232-TTHMND
2021-05-1221051239-TTHMND
2021-05-1321051307-VOC1ND
2021-08-1121081122-TTHMND
2021-08-1121081126-TTHMND
2021-08-1121081132-TTHMND
2021-08-1121081139-TTHMND
2021-11-0921110922-TTHMND
2021-11-0921110926-TTHMND
2021-11-0921110932-TTHMND
2021-11-0921110939-TTHMND
2022-02-0922020922-TTHMND
2022-02-0922020926-TTHMND
2022-02-0922020932-TTHMND
2022-02-0922020939-TTHMND
2022-05-1022051022-TTHMND
2022-05-1022051026-TTHMND
2022-05-1022051032-TTHMND
2022-05-1022051039-TTHMND
2022-05-1222051207-VOC1ND
2022-08-0922080922-TTHMND
2022-08-0922080926-TTHMND
2022-08-0922080932-TTHMND
2022-08-0922080939-TTHMND
2022-11-1522111522-TTHMND
2022-11-1522111526-TTHMND
2022-11-1522111532-TTHMND
2022-11-1522111539-TTHMND
2023-02-0723020722-TTHMND
2023-02-0723020726-TTHMND
2023-02-0723020732-TTHMND
2023-02-0723020739-TTHMND
2023-05-1623051622-TTHMND
2023-05-1623051626-TTHMND
2023-05-1623051632-TTHMND
2023-05-1623051639-TTHMND
2023-05-1623051607-VOC1ND
2023-08-0823080822-TTHMND
2023-08-0823080826-TTHMND
2023-08-0823080832-TTHMND
2023-08-0823080839-TTHMND
2023-11-1423111422-TTHMND
2023-11-1423111426-TTHMND
2023-11-1423111432-TTHMND
2023-11-1423111439-TTHMND