Know Your Environment. Protect Your Health.

Bromoform

Clawson Water System

NOTE: Clawson Water System purchases water from Ferron - Castle Valley Special Service District which is required to test for bromoform. Sample information shown below was taken by Ferron - Castle Valley Special Service District.

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.

 

78

Samples

0

Samples exceeding legal limit (MCL)

3

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: Clawson Water System purchases water from Ferron - Castle Valley Special Service District which is required to test for bromoform. Sample information shown below was taken by Ferron - Castle Valley Special Service District.

Date Result
2018-02-200.600 ppb
2018-02-200.600 ppb
2018-02-200.700 ppb
2018-05-22ND
2018-05-22ND
2018-05-22ND
2018-08-22ND
2018-08-22ND
2018-08-22ND
2018-11-14ND
2018-11-14ND
2018-11-14ND
2018-12-12ND
2019-02-20ND
2019-02-20ND
2019-02-20ND
2019-05-21ND
2019-05-21ND
2019-05-21ND
2019-08-20ND
2019-08-20ND
2019-08-20ND
2019-08-20ND
2019-11-19ND
2019-11-19ND
2019-11-19ND
2020-02-19ND
2020-02-19ND
2020-02-19ND
2020-05-19ND
2020-05-19ND
2020-05-19ND
2020-08-18ND
2020-08-18ND
2020-08-18ND
2020-08-18ND
2020-11-17ND
2020-11-17ND
2020-11-17ND
2021-02-17ND
2021-02-17ND
2021-02-17ND
2021-05-26ND
2021-05-26ND
2021-06-01ND
2021-09-07ND
2021-09-07ND
2021-09-15ND
2021-09-15ND
2021-12-09ND
2021-12-09ND
2021-12-09ND
2022-02-22ND
2022-02-22ND
2022-02-22ND
2022-06-21ND
2022-06-21ND
2022-06-21ND
2022-08-24ND
2022-08-24ND
2022-08-24ND
2022-08-24ND
2022-11-29ND
2022-11-29ND
2022-11-29ND
2023-02-22ND
2023-02-22ND
2023-02-22ND
2023-06-21ND
2023-06-21ND
2023-06-21ND
2023-09-06ND
2023-09-06ND
2023-09-06ND
2023-09-06ND
2023-11-14ND
2023-11-14ND
2023-11-14ND