Bromochloroacetic acid
Co Water District of Billings Heights
Bromochloroacetic acid is formed when chlorine or other disinfectants are used to treat drinking water. Bromochloroacetic acid and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | 1.88 ppb | 4 | 4 | 1.20 ppb - 3.30 ppb |
2015 | 1.14 ppb | 4 | 4 | 0.600 ppb - 1.90 ppb |
2016 | 1.12 ppb | 4 | 4 | 0.860 ppb - 1.30 ppb |
2017 | 1.36 ppb | 4 | 4 | 0.670 ppb - 1.90 ppb |
2018 | 3.20 ppb | 4 | 4 | 2.30 ppb - 3.90 ppb |
2019 | 2.73 ppb | 4 | 4 | 2.00 ppb - 3.60 ppb |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 0.02 ppb
The EWG Health Guideline of 0.02 ppb for bromochloroacetic acid was defined in a peer-reviewed scientific study by EWG and represents a on-in-a-million lifetime cancer risk level. This health guideline protects against cancer.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-02-11 | B14020616-001B | 1.80 ppb |
2014-05-12 | B14050982-001B | 3.30 ppb |
2014-08-11 | B14080889-001B | 1.20 ppb |
2014-11-10 | B14110669-001B | 1.20 ppb |
2015-02-09 | B15020666-001B | 1.20 ppb |
2015-05-11 | B15050817-001B | 0.600 ppb |
2015-08-11 | B15080945-001B | 1.90 ppb |
2015-11-10 | B15110820-001B | 0.860 ppb |
2016-02-09 | B16020734-001B | 0.860 ppb |
2016-05-10 | B16050791-001B | 1.10 ppb |
2016-08-08 | B16080722-001B | 1.30 ppb |
2016-11-07 | B16110542-001B | 1.20 ppb |
2017-02-06 | B17020273-001B | 1.90 ppb |
2017-05-08 | B17050719-001B | 0.670 ppb |
2017-08-07 | B17080581-001B | 0.960 ppb |
2017-11-06 | B17110376-001A | 1.90 ppb |
2018-02-06 | B18020368-001B | 3.00 ppb |
2018-05-09 | B18050833-001B | 3.60 ppb |
2018-08-07 | B18080623-001B | 3.90 ppb |
2018-11-13 | B18110967-001B | 2.30 ppb |
2019-02-12 | B19020694-001B | 3.60 ppb |
2019-05-13 | B19051032-001B | 2.00 ppb |
2019-08-06 | B19080453-001B | 2.40 ppb |
2019-11-12 | B19110902-001B | 2.90 ppb |