Bromoform
Buffalo Grove
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 |
---|---|---|---|---|
2014 | 0.137 ppb | 8 | 2 | ND - 0.577 ppb |
2015 | 0.424 ppb | 8 | 2 | ND - 1.70 ppb |
2016 | ND | 8 | 0 | ND |
2017 | 0.310 ppb | 8 | 1 | ND - 2.48 ppb |
2018 | 0.175 ppb | 8 | 2 | ND - 0.731 ppb |
2019 | 0.111 ppb | 10 | 2 | ND - 0.578 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 |
---|---|---|
2014-02-10 | 4021758-02 | ND |
2014-02-10 | 4021758-01 | ND |
2014-04-09 | 4041838-01 | 0.515 ppb |
2014-04-09 | 4041838-02 | 0.577 ppb |
2014-07-10 | 4072778-01 | ND |
2014-07-10 | 4072778-02 | ND |
2014-10-08 | 4101787-01 | ND |
2014-10-08 | 4101787-02 | ND |
2015-01-07 | 5010952-01 | ND |
2015-01-07 | 5010952-02 | ND |
2015-04-08 | 5041610-01 | ND |
2015-04-08 | 5041610-02 | ND |
2015-07-08 | 5071643-01 | 1.70 ppb |
2015-07-08 | 5071643-02 | 1.70 ppb |
2015-10-07 | 5101398-01 | ND |
2015-10-07 | 5101398-02 | ND |
2016-01-06 | 6011057-01 | ND |
2016-02-02 | 6020964-01 | ND |
2016-04-06 | 6041249-02 | ND |
2016-04-06 | 6041249-01 | ND |
2016-07-06 | 6071114-01 | ND |
2016-07-06 | 6071114-02 | ND |
2016-10-05 | 6101136-02 | ND |
2016-10-05 | 6101136-01 | ND |
2017-01-04 | 7010731-01 | ND |
2017-01-04 | 7010731-02 | ND |
2017-04-05 | 7041066-01 | ND |
2017-04-05 | 7041066-02 | ND |
2017-07-05 | 7070193-01 | ND |
2017-07-05 | 7070193-02 | 2.48 ppb |
2017-10-04 | 7100791-01 | ND |
2017-10-04 | 7100791-02 | ND |
2018-01-10 | 8011501-02 | ND |
2018-01-10 | 8011501-01 | ND |
2018-04-04 | 8040841-01 | ND |
2018-04-04 | 8040841-02 | ND |
2018-07-30 | 8075428-01 | ND |
2018-07-30 | 8075428-02 | ND |
2018-10-03 | 8100874-01 | 0.670 ppb |
2018-10-03 | 8100874-02 | 0.731 ppb |
2019-01-02 | 9010195-01 | ND |
2019-01-02 | 9010195-02 | ND |
2019-04-10 | 9042550-01 | ND |
2019-04-10 | 9042550-02 | ND |
2019-07-09 | 9071699-01 | ND |
2019-07-09 | 9071699-02 | ND |
2019-10-09 | 9102137-03 | 0.528 ppb |
2019-10-09 | 9102137-04 | ND |
2019-10-09 | 9102137-02 | 0.578 ppb |
2019-10-09 | 9102137-01 | ND |