Bromodichloromethane
Beaumont Cherry Valley WD
Bromodichloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Bromodichloromethane 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 | 0.423 ppb | 10 | 4 | ND - 1.70 ppb |
2015 | 0.557 ppb | 22 | 12 | ND - 2.10 ppb |
2016 | 0.471 ppb | 27 | 12 | ND - 1.80 ppb |
2017 | 0.600 ppb | 21 | 12 | ND - 1.70 ppb |
2018 | 0.332 ppb | 23 | 7 | ND - 1.60 ppb |
2019 | 0.300 ppb | 29 | 5 | ND - 2.30 ppb |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 0.06 ppb
The EWG Health Guideline of 0.06 ppb for bromodichloromethane 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 | Lab ID | Result |
---|---|---|
2014-03-17 | 4790-801-1141 | ND |
2014-03-17 | 4790-802-1119 | ND |
2014-03-17 | 4790-803-1020 | ND |
2014-03-17 | 4790-804-0936 | ND |
2014-03-17 | 4790-805-1331 | ND |
2014-12-16 | 4790-801-0946 | 0.630 ppb |
2014-12-16 | 4790-802-0737 | 1.20 ppb |
2014-12-16 | 4790-803-0900 | ND |
2014-12-16 | 4790-804-0826 | 1.70 ppb |
2014-12-16 | 4790-805-1006 | 0.700 ppb |
2015-03-16 | 4790-801-1311 | ND |
2015-03-16 | 4790-802-1434 | ND |
2015-03-16 | 4790-803-1340 | 1.40 ppb |
2015-03-16 | 4790-804-1410 | 1.50 ppb |
2015-03-16 | 4790-805-1502 | 0.610 ppb |
2015-06-18 | 4790-801-0800 | ND |
2015-06-18 | 4790-802-0830 | 0.950 ppb |
2015-06-18 | 4790-803-0927 | ND |
2015-06-18 | 4790-804-0950 | 2.10 ppb |
2015-06-18 | 4790-805-1005 | ND |
2015-09-17 | 4790-801-1334 | 0.690 ppb |
2015-09-17 | 4790-802-1215 | ND |
2015-09-17 | 4790-803-1240 | ND |
2015-09-17 | 4790-804-1300 | 0.780 ppb |
2015-09-17 | 4790-805-1414 | 0.630 ppb |
2015-12-02 | 4790-025-0850 | ND |
2015-12-03 | 4790-025-0952 | ND |
2015-12-14 | 4790-801-1201 | 0.760 ppb |
2015-12-14 | 4790-802-0911 | ND |
2015-12-14 | 4790-803-1322 | 1.20 ppb |
2015-12-14 | 4790-804-1244 | 0.750 ppb |
2015-12-14 | 4790-805-1400 | 0.880 ppb |
2016-03-15 | 4790-801-1247 | 0.660 ppb |
2016-03-15 | 4790-802-0941 | ND |
2016-03-15 | 4790-803-1200 | 1.40 ppb |
2016-03-15 | 4790-804-1155 | 1.30 ppb |
2016-03-15 | 4790-805-1331 | 0.710 ppb |
2016-06-14 | 4790-801-1233 | ND |
2016-06-14 | 4790-802-1040 | ND |
2016-06-14 | 4790-803-1127 | 1.30 ppb |
2016-06-14 | 4790-804-1154 | 0.850 ppb |
2016-06-14 | 4790-805-1414 | 1.000 ppb |
2016-12-01 | 4790-005-1230 | ND |
2016-12-01 | 4790-007-1323 | ND |
2016-12-01 | 4790-011-0818 | ND |
2016-12-01 | 4790-012-0926 | ND |
2016-12-01 | 4790-013-0905 | ND |
2016-12-01 | 4790-015-1343 | ND |
2016-12-01 | 4790-020-0845 | ND |
2016-12-01 | 4790-022-1017 | ND |
2016-12-01 | 4790-023-1035 | ND |
2016-12-01 | 4790-026-0721 | ND |
2016-12-08 | 4790-017-0841 | ND |
2016-12-08 | 4790-031-0750 | ND |
2016-12-20 | 4790-801-1257 | 0.850 ppb |
2016-12-20 | 4790-802-1230 | 1.80 ppb |
2016-12-20 | 4790-803-1132 | 1.40 ppb |
2016-12-20 | 4790-804-0936 | 0.900 ppb |
2016-12-20 | 4790-805-1331 | 0.550 ppb |
2017-03-22 | 4790-801-1515 | ND |
2017-03-22 | 4790-802-1320 | 1.30 ppb |
2017-03-22 | 4790-803-1345 | 0.630 ppb |
2017-03-22 | 4790-804-1405 | 1.60 ppb |
2017-03-22 | 4790-805-1435 | ND |
2017-06-21 | 4790-801-0948 | ND |
2017-06-21 | 4790-802-1048 | 0.870 ppb |
2017-06-21 | 4790-803-1318 | ND |
2017-06-21 | 4790-804-1230 | 1.20 ppb |
2017-06-21 | 4790-805-1355 | ND |
2017-09-20 | 4790-801-1313 | 0.720 ppb |
2017-09-20 | 4790-802-1202 | 0.890 ppb |
2017-09-20 | 4790-803-1243 | ND |
2017-09-20 | 4790-804-1258 | 1.70 ppb |
2017-09-20 | 4790-805-1326 | ND |
2017-10-02 | 4790-006-0915 | ND |
2017-12-19 | 4790-801-0722 | ND |
2017-12-19 | 4790-802-0930 | 0.740 ppb |
2017-12-19 | 4790-803-0805 | 1.10 ppb |
2017-12-19 | 4790-804-0831 | 1.30 ppb |
2017-12-19 | 4790-805-1000 | 0.540 ppb |
2018-03-21 | 4790-801-1130 | ND |
2018-03-21 | 4790-802-1210 | 1.60 ppb |
2018-03-21 | 4790-803-1235 | ND |
2018-03-21 | 4790-804-1300 | 1.60 ppb |
2018-03-21 | 4790-805-1335 | 1.20 ppb |
2018-06-21 | 4790-801-0950 | ND |
2018-06-21 | 4790-802-1100 | ND |
2018-06-21 | 4790-803-1130 | ND |
2018-06-21 | 4790-804-1045 | 0.650 ppb |
2018-06-21 | 4790-805-1020 | 0.630 ppb |
2018-09-18 | 4790-801-1328 | ND |
2018-09-18 | 4790-802-0813 | 0.860 ppb |
2018-09-18 | 4790-803-1122 | ND |
2018-09-18 | 4790-804-1008 | ND |
2018-09-18 | 4790-805-1444 | ND |
2018-12-13 | 4790-021-1115 | ND |
2018-12-17 | 4790-801-0810 | ND |
2018-12-17 | 4790-802-0920 | ND |
2018-12-17 | 4790-803-0940 | ND |
2018-12-17 | 4790-804-1005 | 1.10 ppb |
2018-12-17 | 4790-805-0830 | ND |
2018-12-18 | 4790-025-1038 | ND |
2018-12-18 | 4790-031-1338 | ND |
2019-03-19 | 4790-801-0806 | ND |
2019-03-19 | 4790-802-0856 | ND |
2019-03-19 | 4790-803-1013 | ND |
2019-03-19 | 4790-804-1055 | 2.30 ppb |
2019-03-19 | 4790-805-1145 | ND |
2019-06-19 | 4790-801-0828 | ND |
2019-06-19 | 4790-802-0955 | ND |
2019-06-19 | 4790-803-1144 | ND |
2019-06-19 | 4790-804-1338 | 1.70 ppb |
2019-06-19 | 4790-805-1533 | ND |
2019-09-16 | 4790-801-1250 | ND |
2019-09-16 | 4790-802-1225 | ND |
2019-09-16 | 4790-803-1055 | ND |
2019-09-16 | 4790-804-1030 | 1.20 ppb |
2019-09-16 | 4790-805-1155 | ND |
2019-12-03 | 4790-007-1422 | ND |
2019-12-03 | 4790-012-1108 | ND |
2019-12-03 | 4790-013-0908 | ND |
2019-12-03 | 4790-015-0933 | ND |
2019-12-03 | 4790-020-1018 | ND |
2019-12-04 | 4790-017-1010 | ND |
2019-12-04 | 4790-022-1408 | ND |
2019-12-04 | 4790-023-1158 | ND |
2019-12-04 | 4790-026-0838 | ND |
2019-12-18 | 4790-801-0730 | ND |
2019-12-18 | 4790-802-1130 | 1.50 ppb |
2019-12-18 | 4790-803-0820 | ND |
2019-12-18 | 4790-804-0920 | 2.00 ppb |
2019-12-18 | 4790-805-1010 | ND |