Dibromoacetic acid
City of Rock Springs
Dibromoacetic acid, one of the group of five haloacetic acids regulated by federal standards, is formed when chlorine or other disinfectants are used to treat drinking water. Haloacetic acids and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.
44
Samples
0
Samples exceeding legal limit (MCL)
26
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | 0.324 ppb | 12 | 7 | ND - 0.720 ppb |
| 2015 | 0.273 ppb | 8 | 4 | ND - 0.580 ppb |
| 2016 | 0.459 ppb | 8 | 5 | ND - 1.10 ppb |
| 2017 | 0.339 ppb | 8 | 5 | ND - 0.640 ppb |
| 2018 | 0.491 ppb | 8 | 5 | ND - 0.940 ppb |
| 2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 0.04 ppb
The EWG Health Guideline of 0.04 ppb for dibromoacetic 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 |
|---|---|---|
| 2014-05-13 | C14050407-001B | 0.580 ppb |
| 2014-05-13 | C14050407-002B | 0.460 ppb |
| 2014-05-13 | C14050407-003B | 0.660 ppb |
| 2014-05-13 | C14050407-004B | 0.530 ppb |
| 2014-08-14 | C14080647-001B | ND |
| 2014-08-14 | C14080647-002B | ND |
| 2014-08-14 | C14080647-003B | ND |
| 2014-08-14 | C14080647-004B | ND |
| 2014-11-03 | C14110081-002B | 0.390 ppb |
| 2014-11-03 | C14110081-003B | 0.720 ppb |
| 2014-11-03 | C14110081-004B | ND |
| 2014-11-03 | C14110081-001B | 0.550 ppb |
| 2015-03-24 | C15030778-002B | 0.570 ppb |
| 2015-03-24 | C15030778-001B | 0.580 ppb |
| 2015-05-11 | C15050390-001B | 0.560 ppb |
| 2015-05-11 | C15050390-002B | 0.470 ppb |
| 2015-08-11 | C15080425-002B | ND |
| 2015-08-11 | C15080425-001B | ND |
| 2015-11-05 | C15110247-002B | ND |
| 2015-11-05 | C15110247-001B | ND |
| 2016-02-08 | C16020212-002B | 0.480 ppb |
| 2016-02-08 | C16020212-001B | 0.670 ppb |
| 2016-05-10 | C16050366-001B | 1.000 ppb |
| 2016-05-10 | C16050366-002B | 1.10 ppb |
| 2016-08-09 | C16080435-001B | ND |
| 2016-08-09 | C16080435-002B | ND |
| 2016-11-15 | C16110619-001B | 0.420 ppb |
| 2016-11-15 | C16110619-002B | ND |
| 2017-02-20 | C17020561-001B | 0.640 ppb |
| 2017-02-20 | C17020561-002B | 0.610 ppb |
| 2017-05-15 | C17050530-001B | 0.480 ppb |
| 2017-05-15 | C17050530-002B | 0.510 ppb |
| 2017-08-14 | C17080591-001B | ND |
| 2017-08-14 | C17080591-002B | ND |
| 2017-11-20 | C17110674-002B | ND |
| 2017-11-20 | C17110674-001B | 0.470 ppb |
| 2018-02-19 | C18020474-001B | 0.870 ppb |
| 2018-02-19 | C18020474-002B | 0.890 ppb |
| 2018-05-15 | C18050619-002B | 0.940 ppb |
| 2018-05-15 | C18050619-001B | 0.870 ppb |
| 2018-08-07 | C18080267-001B | 0.360 ppb |
| 2018-08-07 | C18080267-002B | ND |
| 2018-11-06 | C18110204-002B | ND |
| 2018-11-06 | C18110204-001B | ND |