Know Your Environment. Protect Your Health.

Bromoform

Allendale Water Department

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.

 

64

Samples

0

Samples exceeding legal limit (MCL)

30

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.593 ppb118ND - 1.20 ppb
20190.497 ppb109ND - 1.41 ppb
20200.965 ppb10100.333 ppb - 1.55 ppb
20210.371 ppb1310ND - 0.840 ppb
20220.424 ppb118ND - 0.734 ppb
20230.213 ppb92ND - 1.17 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
2018-01-228010676-011.01 ppb
2018-03-068030250-010.839 ppb
2018-03-068030250-020.739 ppb
2018-06-058060257-010.764 ppb
2018-06-058060257-020.816 ppb
2018-07-168070628-010.861 ppb
2018-09-048090144-01ND
2018-09-048090144-02ND
2018-10-158100803-021.20 ppb
2018-12-038120185-010.290 ppb
2018-12-038120185-02ND
2019-01-229010845-010.449 ppb
2019-03-059030253-010.591 ppb
2019-03-059030253-020.682 ppb
2019-04-049040340-011.41 ppb
2019-06-059060294-01ND
2019-06-059060294-020.347 ppb
2019-09-059090285-010.325 ppb
2019-09-059090285-020.259 ppb
2019-12-039120168-010.451 ppb
2019-12-039120168-020.453 ppb
2020-03-050030344-011.01 ppb
2020-03-050030344-020.904 ppb
2020-04-020040177-030.361 ppb
2020-06-040060295-010.811 ppb
2020-06-040060295-020.723 ppb
2020-09-030090268-011.44 ppb
2020-09-030090268-021.32 ppb
2020-10-080100518-031.55 ppb
2020-12-030120279-011.20 ppb
2020-12-030120279-020.333 ppb
2021-01-071010338-040.496 ppb
2021-03-041030315-010.840 ppb
2021-03-041030315-020.781 ppb
2021-04-081040421-010.348 ppb
2021-06-031060283-010.683 ppb
2021-06-031060283-020.584 ppb
2021-07-011070121-040.346 ppb
2021-09-021090141-01ND
2021-09-021090141-020.188 ppb
2021-10-201101041-010.201 ppb
2021-11-231111333-010.360 ppb
2021-12-021120297-01ND
2021-12-021120297-02ND
2022-01-062010302-010.226 ppb
2022-03-032030313-010.734 ppb
2022-03-032030313-020.690 ppb
2022-04-072040467-010.438 ppb
2022-06-022060199-01ND
2022-06-022060199-02ND
2022-07-142070774-020.634 ppb
2022-09-082090372-010.625 ppb
2022-09-082090372-02ND
2022-12-082120415-010.638 ppb
2022-12-082120415-020.679 ppb
2023-01-1223A0664-011.17 ppb
2023-03-0923C0515-01ND
2023-03-0923C0515-02ND
2023-06-0823F0471-01ND
2023-06-0823F0471-02ND
2023-09-0723I0443-01ND
2023-09-0723I0443-020.747 ppb
2023-12-0523L0310-01ND
2023-12-0523L0310-02ND