Dibromoacetic acid
Mesa Water District
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.
192
Samples
0
Samples exceeding legal limit (MCL)
159
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | 3.42 ppb | 32 | 31 | ND - 5.40 ppb |
| 2015 | 2.99 ppb | 32 | 28 | ND - 5.70 ppb |
| 2016 | 2.47 ppb | 32 | 25 | ND - 5.10 ppb |
| 2017 | 2.83 ppb | 32 | 30 | ND - 5.00 ppb |
| 2018 | 2.42 ppb | 32 | 24 | ND - 5.00 ppb |
| 2019 | 2.81 ppb | 32 | 21 | ND - 6.50 ppb |
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 |
|---|---|---|
| 2014-02-11 | 9590-801-0755 | 4.30 ppb |
| 2014-02-11 | 9590-802-0810 | 4.40 ppb |
| 2014-02-11 | 9590-803-0825 | 4.30 ppb |
| 2014-02-11 | 9590-804-0950 | 3.10 ppb |
| 2014-02-11 | 9590-805-1020 | 1.40 ppb |
| 2014-02-11 | 9590-806-1140 | 5.40 ppb |
| 2014-02-11 | 9590-807-1150 | 5.30 ppb |
| 2014-02-11 | 9590-808-1205 | 5.30 ppb |
| 2014-05-13 | 9590-801-0815 | 3.20 ppb |
| 2014-05-13 | 9590-802-0830 | 3.70 ppb |
| 2014-05-13 | 9590-803-0845 | 3.60 ppb |
| 2014-05-13 | 9590-804-0940 | ND |
| 2014-05-13 | 9590-805-1010 | 3.20 ppb |
| 2014-05-13 | 9590-806-1115 | 3.20 ppb |
| 2014-05-13 | 9590-807-1125 | 3.60 ppb |
| 2014-05-13 | 9590-808-1140 | 3.10 ppb |
| 2014-08-14 | 9590-801-0955 | 2.60 ppb |
| 2014-08-14 | 9590-802-1010 | 3.00 ppb |
| 2014-08-14 | 9590-803-1025 | 3.80 ppb |
| 2014-08-14 | 9590-804-1140 | 2.30 ppb |
| 2014-08-14 | 9590-805-1210 | 1.90 ppb |
| 2014-08-14 | 9590-806-1325 | 4.50 ppb |
| 2014-08-14 | 9590-807-1335 | 4.00 ppb |
| 2014-08-14 | 9590-808-1355 | 3.70 ppb |
| 2014-11-12 | 9590-801-0825 | 4.40 ppb |
| 2014-11-12 | 9590-802-0835 | 3.20 ppb |
| 2014-11-12 | 9590-803-0850 | 3.20 ppb |
| 2014-11-12 | 9590-804-1000 | 3.60 ppb |
| 2014-11-12 | 9590-805-1035 | 1.50 ppb |
| 2014-11-12 | 9590-806-1155 | 3.50 ppb |
| 2014-11-12 | 9590-807-1205 | 3.40 ppb |
| 2014-11-12 | 9590-808-1220 | 3.80 ppb |
| 2015-02-10 | 9590-801-0915 | 3.60 ppb |
| 2015-02-10 | 9590-802-0935 | 4.80 ppb |
| 2015-02-10 | 9590-803-0955 | 5.70 ppb |
| 2015-02-10 | 9590-804-1040 | 4.50 ppb |
| 2015-02-10 | 9590-805-1100 | ND |
| 2015-02-10 | 9590-806-1110 | 4.60 ppb |
| 2015-02-10 | 9590-807-1120 | 1.10 ppb |
| 2015-02-10 | 9590-808-1130 | ND |
| 2015-05-12 | 9590-801-0830 | 3.80 ppb |
| 2015-05-12 | 9590-802-0845 | 3.70 ppb |
| 2015-05-12 | 9590-803-0900 | 3.90 ppb |
| 2015-05-12 | 9590-804-1015 | ND |
| 2015-05-12 | 9590-805-1045 | 2.30 ppb |
| 2015-05-12 | 9590-806-1155 | 3.90 ppb |
| 2015-05-12 | 9590-807-1210 | 4.00 ppb |
| 2015-05-12 | 9590-808-1225 | 3.90 ppb |
| 2015-08-11 | 9590-801-0820 | 3.20 ppb |
| 2015-08-11 | 9590-802-0835 | 3.40 ppb |
| 2015-08-11 | 9590-803-0850 | 3.20 ppb |
| 2015-08-11 | 9590-804-0855 | 4.30 ppb |
| 2015-08-11 | 9590-805-1045 | 3.20 ppb |
| 2015-08-11 | 9590-806-1110 | 3.50 ppb |
| 2015-08-11 | 9590-807-1120 | 3.40 ppb |
| 2015-08-11 | 9590-808-1130 | 3.50 ppb |
| 2015-11-10 | 9590-801-0905 | 2.10 ppb |
| 2015-11-10 | 9590-802-0855 | 4.20 ppb |
| 2015-11-10 | 9590-803-0840 | 4.00 ppb |
| 2015-11-10 | 9590-804-0920 | 2.20 ppb |
| 2015-11-10 | 9590-805-0940 | 2.20 ppb |
| 2015-11-10 | 9590-806-0820 | 1.70 ppb |
| 2015-11-10 | 9590-807-0810 | ND |
| 2015-11-10 | 9590-808-0755 | 1.90 ppb |
| 2016-02-09 | 9590-801-0935 | 1.50 ppb |
| 2016-02-09 | 9590-802-0920 | ND |
| 2016-02-09 | 9590-803-0905 | ND |
| 2016-02-09 | 9590-804-0950 | ND |
| 2016-02-09 | 9590-805-0845 | ND |
| 2016-02-09 | 9590-806-0805 | 1.90 ppb |
| 2016-02-09 | 9590-807-0820 | 1.20 ppb |
| 2016-02-09 | 9590-808-0750 | 1.60 ppb |
| 2016-05-10 | 9590-801-0810 | 3.70 ppb |
| 2016-05-10 | 9590-802-0825 | 4.40 ppb |
| 2016-05-10 | 9590-803-0755 | 4.10 ppb |
| 2016-05-10 | 9590-804-0740 | 5.10 ppb |
| 2016-05-10 | 9590-805-0845 | ND |
| 2016-05-10 | 9590-806-0905 | 3.90 ppb |
| 2016-05-10 | 9590-807-0915 | 3.80 ppb |
| 2016-05-10 | 9590-808-0930 | 3.60 ppb |
| 2016-08-09 | 9590-801-0940 | 1.40 ppb |
| 2016-08-09 | 9590-802-0930 | 3.70 ppb |
| 2016-08-09 | 9590-803-0915 | 3.90 ppb |
| 2016-08-09 | 9590-804-0905 | 2.50 ppb |
| 2016-08-09 | 9590-805-0845 | ND |
| 2016-08-09 | 9590-806-0830 | 1.20 ppb |
| 2016-08-09 | 9590-807-0815 | 1.30 ppb |
| 2016-08-09 | 9590-808-0800 | ND |
| 2016-11-08 | 9590-801-0730 | 3.80 ppb |
| 2016-11-08 | 9590-802-0745 | 4.00 ppb |
| 2016-11-08 | 9590-803-0755 | 3.80 ppb |
| 2016-11-08 | 9590-804-0805 | 3.60 ppb |
| 2016-11-08 | 9590-805-0820 | 2.00 ppb |
| 2016-11-08 | 9590-806-0835 | 4.80 ppb |
| 2016-11-08 | 9590-807-0845 | 4.60 ppb |
| 2016-11-08 | 9590-808-0855 | 3.50 ppb |
| 2017-02-14 | 9590-801-1045 | 3.70 ppb |
| 2017-02-14 | 9590-802-1030 | 3.40 ppb |
| 2017-02-14 | 9590-803-1005 | 3.40 ppb |
| 2017-02-14 | 9590-804-1015 | 3.10 ppb |
| 2017-02-14 | 9590-805-0910 | ND |
| 2017-02-14 | 9590-806-0930 | 1.70 ppb |
| 2017-02-14 | 9590-807-0945 | 1.000 ppb |
| 2017-02-14 | 9590-808-0955 | ND |
| 2017-05-08 | 9590-801-0845 | 5.00 ppb |
| 2017-05-08 | 9590-802-1030 | 4.30 ppb |
| 2017-05-08 | 9590-803-1015 | 4.30 ppb |
| 2017-05-08 | 9590-804-1000 | 4.30 ppb |
| 2017-05-08 | 9590-805-1100 | 1.90 ppb |
| 2017-05-08 | 9590-806-1115 | 3.20 ppb |
| 2017-05-08 | 9590-807-1045 | 4.00 ppb |
| 2017-05-08 | 9590-808-1100 | 2.60 ppb |
| 2017-08-08 | 9590-801-0830 | 4.30 ppb |
| 2017-08-08 | 9590-802-0835 | 3.80 ppb |
| 2017-08-08 | 9590-803-0845 | 3.40 ppb |
| 2017-08-08 | 9590-804-0925 | 2.90 ppb |
| 2017-08-08 | 9590-805-1040 | 2.00 ppb |
| 2017-08-08 | 9590-806-1100 | 2.30 ppb |
| 2017-08-08 | 9590-807-1115 | 2.30 ppb |
| 2017-08-08 | 9590-808-1125 | 4.20 ppb |
| 2017-11-14 | 9590-801-1030 | 2.10 ppb |
| 2017-11-14 | 9590-802-1015 | 2.10 ppb |
| 2017-11-14 | 9590-803-0945 | 2.10 ppb |
| 2017-11-14 | 9590-804-1000 | 4.30 ppb |
| 2017-11-14 | 9590-805-0930 | 2.30 ppb |
| 2017-11-14 | 9590-806-0845 | 2.20 ppb |
| 2017-11-14 | 9590-807-0830 | 2.30 ppb |
| 2017-11-14 | 9590-808-0815 | 2.10 ppb |
| 2018-02-13 | 9590-801-0810 | 3.30 ppb |
| 2018-02-13 | 9590-802-0825 | 3.10 ppb |
| 2018-02-13 | 9590-803-0835 | 3.10 ppb |
| 2018-02-13 | 9590-804-0850 | 3.00 ppb |
| 2018-02-13 | 9590-805-0905 | ND |
| 2018-02-13 | 9590-806-0920 | 4.20 ppb |
| 2018-02-13 | 9590-807-0930 | 3.90 ppb |
| 2018-02-13 | 9590-808-0945 | 3.90 ppb |
| 2018-05-08 | 9590-801-1105 | 3.60 ppb |
| 2018-05-08 | 9590-802-1050 | 4.50 ppb |
| 2018-05-08 | 9590-803-1040 | 4.40 ppb |
| 2018-05-08 | 9590-804-1030 | 3.90 ppb |
| 2018-05-08 | 9590-805-0820 | ND |
| 2018-05-08 | 9590-806-0805 | ND |
| 2018-05-08 | 9590-807-0755 | ND |
| 2018-05-08 | 9590-808-0740 | ND |
| 2018-08-14 | 9588-801-0800 | 5.00 ppb |
| 2018-08-14 | 9588-802-0810 | 4.90 ppb |
| 2018-08-14 | 9588-803-0820 | 3.70 ppb |
| 2018-08-14 | 9588-804-0830 | 3.70 ppb |
| 2018-08-14 | 9588-805-0840 | 4.70 ppb |
| 2018-08-14 | 9588-806-0850 | 4.50 ppb |
| 2018-08-14 | 9588-807-0900 | ND |
| 2018-08-14 | 9588-808-0910 | ND |
| 2018-11-14 | 9588-801-0810 | 1.50 ppb |
| 2018-11-14 | 9588-802-0825 | 1.50 ppb |
| 2018-11-14 | 9588-803-0845 | 1.000 ppb |
| 2018-11-14 | 9588-804-0905 | ND |
| 2018-11-14 | 9588-805-0920 | 1.40 ppb |
| 2018-11-14 | 9588-806-0935 | 1.40 ppb |
| 2018-11-14 | 9588-807-0945 | 1.80 ppb |
| 2018-11-14 | 9588-808-1000 | 1.40 ppb |
| 2019-02-12 | 9588-801-0945 | ND |
| 2019-02-12 | 9588-802-1000 | 1.30 ppb |
| 2019-02-12 | 9588-803-1010 | 1.40 ppb |
| 2019-02-12 | 9588-804-1020 | ND |
| 2019-02-12 | 9588-805-1030 | ND |
| 2019-02-12 | 9588-806-1045 | ND |
| 2019-02-12 | 9588-807-1055 | ND |
| 2019-02-12 | 9588-808-1110 | ND |
| 2019-05-07 | 9588-801-0830 | 3.30 ppb |
| 2019-05-07 | 9588-802-0845 | 3.00 ppb |
| 2019-05-07 | 9588-803-0855 | 3.00 ppb |
| 2019-05-07 | 9588-804-0910 | 4.50 ppb |
| 2019-05-07 | 9588-805-0920 | ND |
| 2019-05-07 | 9588-806-0930 | 3.20 ppb |
| 2019-05-07 | 9588-807-0940 | 2.80 ppb |
| 2019-05-07 | 9588-808-0950 | 3.20 ppb |
| 2019-08-13 | 9588-801-0830 | 6.50 ppb |
| 2019-08-13 | 9588-802-0845 | 6.00 ppb |
| 2019-08-13 | 9588-803-0900 | 5.80 ppb |
| 2019-08-13 | 9588-804-0915 | 4.70 ppb |
| 2019-08-13 | 9588-805-1045 | ND |
| 2019-08-13 | 9588-806-1115 | ND |
| 2019-08-13 | 9588-807-1125 | ND |
| 2019-08-13 | 9588-808-1145 | ND |
| 2019-11-13 | 9588-801-0905 | 6.50 ppb |
| 2019-11-13 | 9588-802-0915 | 6.10 ppb |
| 2019-11-13 | 9588-803-0925 | 6.50 ppb |
| 2019-11-13 | 9588-804-0935 | 5.90 ppb |
| 2019-11-13 | 9588-805-0905 | 4.70 ppb |
| 2019-11-13 | 9588-806-0940 | 3.90 ppb |
| 2019-11-13 | 9588-807-0950 | 3.90 ppb |
| 2019-11-13 | 9588-808-1010 | 3.80 ppb |