Bromoform
Jordan Valley Water Conservancy 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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | 0.0190 ppb | 37 | 1 | ND - 0.704 ppb |
2015 | 0.0860 ppb | 35 | 4 | ND - 0.846 ppb |
2016 | 0.0588 ppb | 33 | 2 | ND - 1.000 ppb |
2017 | 0.0897 ppb | 38 | 5 | ND - 0.870 ppb |
2018 | 0.148 ppb | 18 | 1 | ND - 2.67 ppb |
2019 | 0.213 ppb | 10 | 2 | ND - 1.32 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 | Result |
---|---|
2014-01-02 | ND |
2014-01-02 | ND |
2014-01-06 | ND |
2014-01-06 | ND |
2014-01-06 | ND |
2014-01-06 | ND |
2014-01-06 | ND |
2014-01-06 | ND |
2014-01-06 | ND |
2014-01-06 | 0.704 ppb |
2014-01-07 | ND |
2014-01-07 | ND |
2014-04-07 | ND |
2014-04-07 | ND |
2014-04-07 | ND |
2014-04-07 | ND |
2014-04-07 | ND |
2014-04-07 | ND |
2014-04-08 | ND |
2014-04-08 | ND |
2014-07-07 | ND |
2014-07-07 | ND |
2014-07-07 | ND |
2014-07-07 | ND |
2014-07-07 | ND |
2014-07-07 | ND |
2014-07-07 | ND |
2014-07-07 | ND |
2014-07-15 | ND |
2014-10-06 | ND |
2014-10-06 | ND |
2014-10-06 | ND |
2014-10-06 | ND |
2014-10-06 | ND |
2014-10-06 | ND |
2014-10-06 | ND |
2014-10-06 | ND |
2015-01-05 | 0.764 ppb |
2015-01-05 | ND |
2015-01-05 | ND |
2015-01-05 | ND |
2015-01-05 | 0.661 ppb |
2015-01-05 | 0.740 ppb |
2015-01-05 | ND |
2015-01-05 | ND |
2015-01-13 | ND |
2015-01-15 | ND |
2015-02-18 | ND |
2015-04-06 | 0.846 ppb |
2015-04-06 | ND |
2015-04-06 | ND |
2015-04-06 | ND |
2015-04-06 | ND |
2015-04-06 | ND |
2015-04-06 | ND |
2015-04-07 | ND |
2015-07-06 | ND |
2015-07-06 | ND |
2015-07-06 | ND |
2015-07-06 | ND |
2015-07-06 | ND |
2015-07-06 | ND |
2015-07-06 | ND |
2015-07-06 | ND |
2015-10-05 | ND |
2015-10-05 | ND |
2015-10-05 | ND |
2015-10-05 | ND |
2015-10-05 | ND |
2015-10-05 | ND |
2015-10-05 | ND |
2015-10-05 | ND |
2016-01-04 | 1.000 ppb |
2016-01-04 | ND |
2016-01-04 | ND |
2016-01-04 | ND |
2016-01-04 | ND |
2016-01-04 | ND |
2016-01-04 | ND |
2016-01-04 | ND |
2016-04-04 | ND |
2016-04-04 | ND |
2016-04-04 | ND |
2016-04-04 | ND |
2016-04-04 | ND |
2016-04-04 | ND |
2016-04-04 | ND |
2016-04-04 | ND |
2016-07-07 | 0.940 ppb |
2016-07-07 | ND |
2016-07-07 | ND |
2016-07-07 | ND |
2016-07-07 | ND |
2016-07-07 | ND |
2016-07-07 | ND |
2016-07-07 | ND |
2016-07-14 | ND |
2016-10-03 | ND |
2016-10-03 | ND |
2016-10-03 | ND |
2016-10-03 | ND |
2016-10-03 | ND |
2016-10-03 | ND |
2016-10-03 | ND |
2016-10-03 | ND |
2017-01-03 | ND |
2017-01-03 | ND |
2017-01-03 | ND |
2017-01-03 | ND |
2017-01-03 | ND |
2017-01-03 | ND |
2017-01-03 | ND |
2017-01-03 | 0.650 ppb |
2017-01-03 | 0.870 ppb |
2017-01-03 | 0.550 ppb |
2017-01-03 | ND |
2017-01-04 | ND |
2017-01-18 | ND |
2017-04-03 | 0.700 ppb |
2017-04-03 | ND |
2017-04-03 | ND |
2017-04-03 | 0.640 ppb |
2017-04-03 | ND |
2017-04-03 | ND |
2017-04-03 | ND |
2017-04-03 | ND |
2017-07-05 | ND |
2017-07-05 | ND |
2017-07-05 | ND |
2017-07-05 | ND |
2017-07-05 | ND |
2017-07-05 | ND |
2017-07-05 | ND |
2017-07-05 | ND |
2017-08-14 | ND |
2017-10-02 | ND |
2017-10-02 | ND |
2017-10-02 | ND |
2017-10-02 | ND |
2017-10-02 | ND |
2017-10-02 | ND |
2017-10-02 | ND |
2017-10-02 | ND |
2018-01-10 | ND |
2018-04-02 | ND |
2018-04-02 | ND |
2018-04-02 | ND |
2018-04-02 | ND |
2018-04-02 | ND |
2018-04-02 | ND |
2018-04-02 | ND |
2018-04-02 | ND |
2018-06-05 | ND |
2018-07-02 | 2.67 ppb |
2018-07-02 | ND |
2018-07-02 | ND |
2018-07-02 | ND |
2018-07-02 | ND |
2018-07-02 | ND |
2018-07-02 | ND |
2018-07-02 | ND |
2019-01-03 | ND |
2019-01-03 | ND |
2019-01-03 | ND |
2019-01-03 | ND |
2019-01-03 | 1.32 ppb |
2019-01-03 | 0.810 ppb |
2019-01-03 | ND |
2019-01-03 | ND |
2019-04-24 | ND |
2019-07-22 | ND |