Dibromoacetic acid
California American Water Company - Coronado
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | 6.87 ppb | 32 | 27 | ND - 18.6 ppb |
2015 | 3.43 ppb | 32 | 31 | ND - 12.1 ppb |
2016 | 4.61 ppb | 32 | 31 | ND - 11.9 ppb |
2017 | 7.93 ppb | 32 | 31 | ND - 13.7 ppb |
2018 | 4.90 ppb | 32 | 32 | 1.10 ppb - 12.9 ppb |
2019 | 7.01 ppb | 32 | 32 | 1.80 ppb - 9.70 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 | 1225-900-1209 | 13.3 ppb |
2014-02-11 | 1225-901-1252 | 11.9 ppb |
2014-02-11 | 1225-902-1020 | 14.0 ppb |
2014-02-11 | 1225-903-1310 | 12.1 ppb |
2014-02-11 | 1225-904-1231 | 13.1 ppb |
2014-02-11 | 1225-905-1054 | 10.9 ppb |
2014-02-11 | 1225-906-0945 | 10.5 ppb |
2014-02-11 | 1225-907-1120 | 1.90 ppb |
2014-05-13 | 1225-900-1128 | 15.8 ppb |
2014-05-13 | 1225-901-1228 | 12.8 ppb |
2014-05-13 | 1225-902-0925 | 13.0 ppb |
2014-05-13 | 1225-903-1242 | 13.4 ppb |
2014-05-13 | 1225-904-1148 | 18.6 ppb |
2014-05-13 | 1225-905-0952 | 15.0 ppb |
2014-05-13 | 1225-906-0900 | 14.9 ppb |
2014-05-13 | 1225-907-1028 | 2.40 ppb |
2014-08-12 | 1225-900-1134 | 3.50 ppb |
2014-08-12 | 1225-901-1214 | 4.10 ppb |
2014-08-12 | 1225-902-1000 | 2.70 ppb |
2014-08-12 | 1225-903-1237 | 2.00 ppb |
2014-08-12 | 1225-904-1152 | 2.70 ppb |
2014-08-12 | 1225-905-1034 | 2.60 ppb |
2014-08-12 | 1225-906-0900 | 2.40 ppb |
2014-08-12 | 1225-907-1058 | 2.10 ppb |
2014-11-12 | 1225-900-1150 | ND |
2014-11-12 | 1225-901-1220 | ND |
2014-11-12 | 1225-902-0930 | 1.10 ppb |
2014-11-12 | 1225-903-1250 | ND |
2014-11-12 | 1225-904-1025 | ND |
2014-11-12 | 1225-905-0955 | 1.10 ppb |
2014-11-12 | 1225-906-0900 | ND |
2014-11-12 | 1225-907-1040 | 1.90 ppb |
2015-02-11 | 1225-900-1322 | 1.40 ppb |
2015-02-11 | 1225-901-1340 | 1.30 ppb |
2015-02-11 | 1225-902-1210 | ND |
2015-02-11 | 1225-903-1349 | 1.50 ppb |
2015-02-11 | 1225-904-1303 | 1.20 ppb |
2015-02-11 | 1225-905-1113 | 1.20 ppb |
2015-02-11 | 1225-906-1031 | 1.40 ppb |
2015-02-11 | 1225-907-1135 | 1.60 ppb |
2015-05-19 | 1225-900-1111 | 1.60 ppb |
2015-05-19 | 1225-901-1132 | 1.40 ppb |
2015-05-19 | 1225-902-1024 | 1.50 ppb |
2015-05-19 | 1225-903-1150 | 1.20 ppb |
2015-05-19 | 1225-904-1051 | 1.40 ppb |
2015-05-19 | 1225-905-0915 | 1.60 ppb |
2015-05-19 | 1225-906-0853 | 1.50 ppb |
2015-05-19 | 1225-907-0947 | 1.30 ppb |
2015-08-11 | 1225-900-1209 | 1.70 ppb |
2015-08-11 | 1225-901-1228 | 1.20 ppb |
2015-08-11 | 1225-902-1121 | 1.80 ppb |
2015-08-11 | 1225-903-1245 | 1.30 ppb |
2015-08-11 | 1225-904-1145 | 1.50 ppb |
2015-08-11 | 1225-905-1007 | 1.50 ppb |
2015-08-11 | 1225-906-0929 | 1.40 ppb |
2015-08-11 | 1225-907-1031 | 1.50 ppb |
2015-11-12 | 1225-900-1121 | 12.1 ppb |
2015-11-12 | 1225-901-1140 | 12.1 ppb |
2015-11-12 | 1225-902-1040 | 4.50 ppb |
2015-11-12 | 1225-903-1152 | 11.2 ppb |
2015-11-12 | 1225-904-1105 | 11.7 ppb |
2015-11-12 | 1225-905-0921 | 11.8 ppb |
2015-11-12 | 1225-906-0845 | 11.6 ppb |
2015-11-12 | 1225-907-0956 | 1.60 ppb |
2016-02-09 | 1225-900-1138 | 11.9 ppb |
2016-02-09 | 1225-901-1208 | 8.40 ppb |
2016-02-09 | 1225-902-1105 | 9.50 ppb |
2016-02-09 | 1225-903-1228 | 8.30 ppb |
2016-02-09 | 1225-904-1245 | 9.60 ppb |
2016-02-09 | 1225-905-0927 | 10.5 ppb |
2016-02-09 | 1225-906-0904 | 10.1 ppb |
2016-02-09 | 1225-907-0950 | 1.30 ppb |
2016-05-10 | 1225-900-1146 | 8.00 ppb |
2016-05-10 | 1225-901-1211 | 6.90 ppb |
2016-05-10 | 1225-902-1053 | 7.30 ppb |
2016-05-10 | 1225-903-1236 | 7.50 ppb |
2016-05-10 | 1225-904-1123 | 8.10 ppb |
2016-05-10 | 1225-905-0945 | 7.50 ppb |
2016-05-10 | 1225-906-0918 | 8.30 ppb |
2016-05-10 | 1225-907-1016 | 1.000 ppb |
2016-08-09 | 1225-900-1149 | 1.60 ppb |
2016-08-09 | 1225-901-1209 | 1.30 ppb |
2016-08-09 | 1225-902-1117 | 1.70 ppb |
2016-08-09 | 1225-903-1224 | 1.30 ppb |
2016-08-09 | 1225-904-1304 | 1.40 ppb |
2016-08-09 | 1225-905-0931 | 1.50 ppb |
2016-08-09 | 1225-906-0900 | 1.70 ppb |
2016-08-09 | 1225-907-1009 | 1.80 ppb |
2016-11-08 | 1225-900-1052 | 1.60 ppb |
2016-11-08 | 1225-901-1105 | ND |
2016-11-08 | 1225-902-1016 | 1.80 ppb |
2016-11-08 | 1225-903-1133 | 1.30 ppb |
2016-11-08 | 1225-904-1155 | 1.60 ppb |
2016-11-08 | 1225-905-0855 | 2.20 ppb |
2016-11-08 | 1225-906-0832 | 1.20 ppb |
2016-11-08 | 1225-907-0924 | 1.40 ppb |
2017-02-07 | 1225-900-1329 | 1.50 ppb |
2017-02-07 | 1225-901-1407 | 1.40 ppb |
2017-02-07 | 1225-902-1110 | 1.50 ppb |
2017-02-07 | 1225-903-1432 | ND |
2017-02-07 | 1225-904-1255 | 1.50 ppb |
2017-02-07 | 1225-905-0927 | 1.40 ppb |
2017-02-07 | 1225-906-1150 | 1.50 ppb |
2017-02-07 | 1225-907-0955 | 1.20 ppb |
2017-05-10 | 1225-900-1126 | 12.8 ppb |
2017-05-10 | 1225-901-1140 | 13.7 ppb |
2017-05-10 | 1225-902-1022 | 10.9 ppb |
2017-05-10 | 1225-903-1228 | 13.2 ppb |
2017-05-10 | 1225-904-1240 | 10.7 ppb |
2017-05-10 | 1225-905-0924 | 11.3 ppb |
2017-05-10 | 1225-906-1054 | 11.8 ppb |
2017-05-10 | 1225-907-0854 | 2.30 ppb |
2017-08-08 | 1225-900-1144 | 10.00 ppb |
2017-08-08 | 1225-901-1205 | 9.10 ppb |
2017-08-08 | 1225-902-1043 | 5.70 ppb |
2017-08-08 | 1225-903-1220 | 9.70 ppb |
2017-08-08 | 1225-904-1240 | 9.50 ppb |
2017-08-08 | 1225-905-1004 | 10.1 ppb |
2017-08-08 | 1225-906-1119 | 9.80 ppb |
2017-08-08 | 1225-907-0930 | 2.30 ppb |
2017-11-08 | 1225-900-1149 | 13.6 ppb |
2017-11-08 | 1225-901-1220 | 12.8 ppb |
2017-11-08 | 1225-902-1056 | 9.60 ppb |
2017-11-08 | 1225-903-1237 | 12.9 ppb |
2017-11-08 | 1225-904-1300 | 12.1 ppb |
2017-11-08 | 1225-905-0923 | 12.5 ppb |
2017-11-08 | 1225-906-1118 | 12.6 ppb |
2017-11-08 | 1225-907-0856 | 4.80 ppb |
2018-02-07 | 1225-900-1318 | 8.60 ppb |
2018-02-07 | 1225-901-1345 | 9.70 ppb |
2018-02-07 | 1225-902-1157 | 4.90 ppb |
2018-02-07 | 1225-903-1420 | 8.70 ppb |
2018-02-07 | 1225-904-1246 | 6.70 ppb |
2018-02-07 | 1225-905-1032 | 2.40 ppb |
2018-02-07 | 1225-906-1220 | 12.9 ppb |
2018-02-07 | 1225-907-1057 | 2.70 ppb |
2018-05-08 | 1225-900-1105 | 12.3 ppb |
2018-05-08 | 1225-901-1130 | 11.4 ppb |
2018-05-08 | 1225-902-1010 | 8.30 ppb |
2018-05-08 | 1225-903-1155 | 9.70 ppb |
2018-05-08 | 1225-904-1240 | 7.10 ppb |
2018-05-08 | 1225-905-0935 | 11.3 ppb |
2018-05-08 | 1225-906-1035 | 11.8 ppb |
2018-05-08 | 1225-907-0900 | 1.90 ppb |
2018-08-24 | 1225-900-1125 | 1.70 ppb |
2018-08-24 | 1225-901-1146 | 1.70 ppb |
2018-08-24 | 1225-902-1030 | 1.80 ppb |
2018-08-24 | 1225-903-1200 | 1.60 ppb |
2018-08-24 | 1225-904-1302 | 1.90 ppb |
2018-08-24 | 1225-905-1004 | 1.90 ppb |
2018-08-24 | 1225-906-1057 | 1.60 ppb |
2018-08-24 | 1225-907-0940 | 1.70 ppb |
2018-11-13 | 1225-900-1140 | 1.70 ppb |
2018-11-13 | 1225-901-1210 | 1.40 ppb |
2018-11-13 | 1225-902-1020 | 1.20 ppb |
2018-11-13 | 1225-903-1229 | 1.40 ppb |
2018-11-13 | 1225-904-1320 | 2.50 ppb |
2018-11-13 | 1225-905-1002 | 1.80 ppb |
2018-11-13 | 1225-906-1055 | 1.10 ppb |
2018-11-13 | 1225-907-0930 | 1.50 ppb |
2019-02-12 | 1225-900-1700 | 7.80 ppb |
2019-02-12 | 1225-901-1730 | 6.70 ppb |
2019-02-12 | 1225-902-1619 | 9.40 ppb |
2019-02-12 | 1225-903-1740 | 6.70 ppb |
2019-02-12 | 1225-904-1650 | 8.90 ppb |
2019-02-12 | 1225-905-1551 | 9.10 ppb |
2019-02-12 | 1225-906-1500 | 8.20 ppb |
2019-02-12 | 1225-907-1605 | 1.80 ppb |
2019-05-14 | 1225-900-1441 | 9.70 ppb |
2019-05-14 | 1225-901-1512 | 9.20 ppb |
2019-05-14 | 1225-902-1340 | 6.60 ppb |
2019-05-14 | 1225-903-1605 | 9.30 ppb |
2019-05-14 | 1225-904-1644 | 9.70 ppb |
2019-05-14 | 1225-905-1304 | 9.70 ppb |
2019-05-14 | 1225-906-1408 | 9.10 ppb |
2019-05-14 | 1225-907-1236 | 2.90 ppb |
2019-08-13 | 1225-900-1507 | 6.50 ppb |
2019-08-13 | 1225-901-1545 | 6.20 ppb |
2019-08-13 | 1225-902-1400 | 4.30 ppb |
2019-08-13 | 1225-903-1615 | 6.40 ppb |
2019-08-13 | 1225-904-1700 | 6.50 ppb |
2019-08-13 | 1225-905-1310 | 6.70 ppb |
2019-08-13 | 1225-906-1436 | 6.70 ppb |
2019-08-13 | 1225-907-1245 | 3.10 ppb |
2019-11-13 | 1225-900-1426 | 8.30 ppb |
2019-11-13 | 1225-901-1443 | 6.90 ppb |
2019-11-13 | 1225-902-1330 | 5.20 ppb |
2019-11-13 | 1225-903-1500 | 7.40 ppb |
2019-11-13 | 1225-904-1531 | 7.70 ppb |
2019-11-13 | 1225-905-1245 | 7.50 ppb |
2019-11-13 | 1225-906-1400 | 7.90 ppb |
2019-11-13 | 1225-907-1210 | 2.10 ppb |