Bromoform
Villa Park
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | 0.0689 ppb | 8 | 1 | ND - 0.551 ppb |
2015 | ND | 8 | 0 | ND |
2016 | 0.134 ppb | 8 | 2 | ND - 0.569 ppb |
2017 | 0.505 ppb | 10 | 3 | ND - 2.35 ppb |
2018 | 0.0581 ppb | 16 | 1 | ND - 0.929 ppb |
2019 | 0.0586 ppb | 16 | 1 | ND - 0.938 ppb |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 0.5 ppb
The EWG Health Guideline of 0.5 ppb for bromoform was proposed in 2018 by the California Office of Environmental Health Hazard Assessment as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-01-08 | 4010796-02 | ND |
2014-01-08 | 4010796-01 | ND |
2014-04-15 | 4042936-01 | ND |
2014-04-15 | 4042936-02 | 0.551 ppb |
2014-07-15 | 4072857-01 | ND |
2014-07-15 | 4072857-02 | ND |
2014-10-13 | 4102825-01 | ND |
2014-10-13 | 4102825-02 | ND |
2015-01-15 | 5012079-01 | ND |
2015-01-15 | 5012079-02 | ND |
2015-04-02 | 5040396-01 | ND |
2015-04-02 | 5040396-02 | ND |
2015-07-16 | 5072893-01 | ND |
2015-07-16 | 5072893-02 | ND |
2015-10-14 | 5102471-02 | ND |
2015-10-14 | 5102471-01 | ND |
2016-01-05 | 6011045-01 | ND |
2016-01-05 | 6011045-02 | 0.569 ppb |
2016-04-11 | 6042490-01 | ND |
2016-04-11 | 6042490-02 | 0.501 ppb |
2016-07-21 | 6073681-01 | ND |
2016-07-21 | 6073681-02 | ND |
2016-10-19 | 6103361-01 | ND |
2016-10-19 | 6103361-02 | ND |
2017-01-18 | 7012802-01 | ND |
2017-01-18 | 7012802-02 | ND |
2017-04-19 | 7043271-01 | ND |
2017-04-19 | 7043271-02 | 0.523 ppb |
2017-07-05 | 7070881-01 | ND |
2017-07-05 | 7070881-02 | ND |
2017-10-11 | 7102495-04 | ND |
2017-10-11 | 7102495-02 | 2.18 ppb |
2017-10-11 | 7102495-01 | 2.35 ppb |
2017-10-11 | 7102495-03 | ND |
2018-01-09 | 8011985-04 | ND |
2018-01-09 | 8011985-03 | ND |
2018-01-09 | 8011985-02 | ND |
2018-01-09 | 8011985-01 | ND |
2018-04-03 | 8041241-04 | ND |
2018-04-03 | 8041241-01 | ND |
2018-04-03 | 8041241-02 | ND |
2018-04-03 | 8041241-03 | ND |
2018-07-11 | 8072452-04 | ND |
2018-07-11 | 8072452-03 | ND |
2018-07-11 | 8072452-02 | ND |
2018-07-11 | 8072452-01 | ND |
2018-10-17 | 8103862-01 | 0.929 ppb |
2018-10-17 | 8103862-02 | ND |
2018-10-17 | 8103862-03 | ND |
2018-10-17 | 8103862-04 | ND |
2019-01-16 | 9013169-01 | ND |
2019-01-16 | 9013169-02 | ND |
2019-01-16 | 9013169-03 | ND |
2019-01-16 | 9013169-04 | ND |
2019-04-17 | 9044290-01 | ND |
2019-04-17 | 9044290-04 | ND |
2019-04-17 | 9044290-03 | ND |
2019-04-17 | 9044290-02 | ND |
2019-07-10 | 9072571-02 | ND |
2019-07-10 | 9072571-04 | ND |
2019-07-10 | 9072571-03 | ND |
2019-07-10 | 9072571-01 | ND |
2019-10-08 | 9102574-04 | ND |
2019-10-08 | 9102574-03 | ND |
2019-10-08 | 9102574-02 | ND |
2019-10-08 | 9102574-01 | 0.938 ppb |