Know Your Environment. Protect Your Health.

Bromoform

Swansea, Town of

NOTE: Swansea, Town of purchases water from Joint Municipal WSC which is required to test for bromoform. Sample information shown below was taken by Joint Municipal WSC.

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.

 

96

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019ND80ND
2020ND80ND
2021ND80ND
2022ND80ND
2023ND80ND

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

NOTE: Swansea, Town of purchases water from Joint Municipal WSC which is required to test for bromoform. Sample information shown below was taken by Joint Municipal WSC.

Date Lab ID Result
2018-01-292180201-18ND
2018-01-292180201-17ND
2018-01-292180201-16ND
2018-01-292180201-15ND
2018-04-302180501-47ND
2018-04-302180501-48ND
2018-04-302180501-49ND
2018-04-302180501-50ND
2018-08-202180821-25ND
2018-08-202180821-26ND
2018-08-202180821-27ND
2018-08-202180821-28ND
2018-10-292181101-19ND
2018-10-292181101-17ND
2018-10-292181101-20ND
2018-10-312181101-18ND
2019-02-042190205-19ND
2019-02-042190205-20ND
2019-02-042190205-18ND
2019-02-042190205-17ND
2019-04-292190501-18ND
2019-04-292190501-20ND
2019-04-292190501-17ND
2019-04-302190501-19ND
2019-07-312190802-19ND
2019-08-012190802-17ND
2019-08-012190802-20ND
2019-08-012190802-18ND
2019-11-052191113-07ND
2019-11-072191113-08ND
2019-11-082191113-09ND
2019-11-082191113-10ND
2020-02-032200205-08ND
2020-02-032200205-07ND
2020-02-042200205-10ND
2020-02-042200205-09ND
2020-05-042200506-28ND
2020-05-042200506-27ND
2020-05-052200506-30ND
2020-05-052200506-29ND
2020-08-032200804-09ND
2020-08-032200804-08ND
2020-08-032200804-07ND
2020-08-032200804-10ND
2020-11-052201106-22ND
2020-11-052201106-21ND
2020-11-052201106-20ND
2020-11-052201106-19ND
2021-02-022210203-07ND
2021-02-022210203-08ND
2021-02-022210203-09ND
2021-02-022210203-10ND
2021-05-172210518-07ND
2021-05-172210518-08ND
2021-05-172210518-09ND
2021-05-172210518-10ND
2021-08-042210805-07ND
2021-08-042210805-08ND
2021-08-042210805-09ND
2021-08-042210805-10ND
2021-11-022211103-39ND
2021-11-022211103-41ND
2021-11-022211103-40ND
2021-11-022211103-42ND
2022-02-012220202-07ND
2022-02-012220202-08ND
2022-02-012220202-09ND
2022-02-012220202-10ND
2022-05-052220506-09ND
2022-05-052220506-10ND
2022-05-052220506-08ND
2022-05-052220506-07ND
2022-08-012220802-10ND
2022-08-012220802-08ND
2022-08-012220802-07ND
2022-08-012220802-09ND
2022-11-012221102-40ND
2022-11-012221102-42ND
2022-11-012221102-39ND
2022-11-012221102-41ND
2023-02-022230203-10ND
2023-02-022230203-07ND
2023-02-022230203-08ND
2023-02-022230203-09ND
2023-05-022230503-41ND
2023-05-022230503-43ND
2023-05-022230503-42ND
2023-05-022230503-44ND
2023-08-102230811-14ND
2023-08-102230811-13ND
2023-08-102230811-16ND
2023-08-102230811-15ND
2023-10-302231031-08ND
2023-10-302231031-10ND
2023-10-302231031-09ND
2023-10-302231031-07ND