Know Your Environment. Protect Your Health.

Bromoform

Rosemount

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.

 

40

Samples

0

Samples exceeding legal limit (MCL)

13

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
20190.500 ppb21ND - 1.000 ppb
20200.800 ppb220.500 ppb - 1.10 ppb
20210.269 ppb164ND - 1.30 ppb
20220.750 ppb63ND - 2.20 ppb
20230.250 ppb124ND - 0.900 ppb

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
2018-08-0618H0432-02ND
2018-09-1018I0341-01ND
2019-07-1819G1356-011.000 ppb
2019-08-0619H0452-02ND
2020-11-0920K0398-011.10 ppb
2020-11-0920K0398-020.500 ppb
2021-02-1121B0697-01ND
2021-02-1121B0697-020.800 ppb
2021-02-1121B0697-03ND
2021-02-1121B0697-041.10 ppb
2021-04-1321D0602-02ND
2021-04-1321D0602-04ND
2021-04-1321D0602-03ND
2021-04-1321D0602-01ND
2021-07-2721G1774-01ND
2021-07-2721G1774-02ND
2021-07-2721G1774-03ND
2021-07-2721G1774-04ND
2021-10-1321J0551-041.30 ppb
2021-10-1321J0551-03ND
2021-10-1321J0551-011.10 ppb
2021-10-1321J0551-02ND
2022-07-2822G1990-01ND
2022-07-2822G1990-020.800 ppb
2022-10-1822J0663-01ND
2022-10-1822J0663-022.20 ppb
2022-10-1822J0663-03ND
2022-10-1822J0663-041.50 ppb
2023-01-2523A0819-03ND
2023-01-2523A0819-040.900 ppb
2023-01-2523A0819-020.600 ppb
2023-01-2523A0819-010.700 ppb
2023-04-1923D1041-010.800 ppb
2023-04-1923D1041-02ND
2023-04-1923D1041-03ND
2023-04-1923D1041-04ND
2023-07-1923G1112-01ND
2023-07-1923G1112-02ND
2023-07-1923G1112-03ND
2023-07-1923G1112-04ND