trans-1,2-Dichloroethylene
Cal-water Service Company - Marysville
1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 57 | 0 | ND |
2015 | ND | 42 | 0 | ND |
2016 | ND | 32 | 0 | ND |
2017 | ND | 32 | 0 | ND |
2018 | ND | 36 | 0 | ND |
2019 | ND | 32 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 60 ppb
The EWG Health Guideline of 60 ppb for trans-1,2-dichloroethylene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.
EPA Maximum Contaminant
Level (MCL) 100 ppb
The legal limit for trans-1,2-dichloroethylene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-01-06 | 5701-011-0952 | ND |
2014-01-06 | 5701-011-0956 | ND |
2014-01-06 | 5701-023-1004 | ND |
2014-01-13 | 5701-011-1327 | ND |
2014-01-22 | 5701-013-1140 | ND |
2014-02-11 | 5701-011-0914 | ND |
2014-02-18 | 5701-010-1045 | ND |
2014-02-26 | 5701-015-1006 | ND |
2014-03-03 | 5701-011-1530 | ND |
2014-04-07 | 5701-011-1521 | ND |
2014-04-15 | 5701-013-1501 | ND |
2014-05-01 | 5810-011-1115 | ND |
2014-05-01 | 5810-023-1123 | ND |
2014-05-06 | 5701-011-0938 | ND |
2014-05-12 | 5701-011-0950 | ND |
2014-05-19 | 5701-011-0852 | ND |
2014-05-19 | 5701-015-1117 | ND |
2014-05-27 | 5701-011-1156 | ND |
2014-06-02 | 5701-011-0847 | ND |
2014-06-10 | 5701-011-0905 | ND |
2014-06-16 | 5701-011-0904 | ND |
2014-06-23 | 5701-011-1421 | ND |
2014-06-23 | 5810-011-1436 | ND |
2014-06-23 | 5810-023-1427 | ND |
2014-07-01 | 5701-011-1312 | ND |
2014-07-07 | 5701-011-1344 | ND |
2014-07-14 | 5701-011-0832 | ND |
2014-07-21 | 5701-011-0913 | ND |
2014-07-22 | 5701-013-1033 | ND |
2014-07-22 | 5701-016-1145 | ND |
2014-07-28 | 5701-011-0912 | ND |
2014-08-04 | 5701-011-1003 | ND |
2014-08-11 | 5810-011-0941 | ND |
2014-08-11 | 5810-023-0946 | ND |
2014-08-18 | 5701-011-0913 | ND |
2014-08-26 | 5701-011-0935 | ND |
2014-09-02 | 5701-011-0900 | ND |
2014-09-08 | 5701-011-0959 | ND |
2014-09-15 | 5701-011-0951 | ND |
2014-09-22 | 5701-011-0943 | ND |
2014-09-29 | 5701-011-0904 | ND |
2014-10-06 | 5701-011-0907 | ND |
2014-10-13 | 5701-011-0901 | ND |
2014-10-20 | 9590-011-0916 | ND |
2014-10-20 | 9590-013-1403 | ND |
2014-10-27 | 5701-011-0930 | ND |
2014-11-03 | 5701-011-1458 | ND |
2014-11-12 | 5701-011-0848 | ND |
2014-11-16 | 5701-015-1042 | ND |
2014-11-17 | 5701-011-1029 | ND |
2014-11-24 | 5701-011-1009 | ND |
2014-12-01 | 5701-011-0934 | ND |
2014-12-08 | 5701-011-1032 | ND |
2014-12-15 | 5701-011-1011 | ND |
2014-12-22 | 9590-011-0954 | ND |
2014-12-30 | 9590-011-1043 | ND |
2014-12-30 | 9590-023-1046 | ND |
2015-01-05 | 5701-011-0947 | ND |
2015-01-05 | 5701-023-0950 | ND |
2015-01-13 | 5701-011-1003 | ND |
2015-01-13 | 5701-023-1007 | ND |
2015-01-20 | 5701-011-1311 | ND |
2015-01-20 | 5701-023-1315 | ND |
2015-01-22 | 5701-009-1339 | ND |
2015-01-22 | 5701-013-1356 | ND |
2015-01-26 | 5701-011-1402 | ND |
2015-01-26 | 5701-023-1408 | ND |
2015-02-02 | 5701-011-0945 | ND |
2015-02-02 | 5701-023-0948 | ND |
2015-02-18 | 5701-015-1032 | ND |
2015-03-02 | 5701-011-1316 | ND |
2015-03-02 | 5701-023-1319 | ND |
2015-04-06 | 5701-011-1025 | ND |
2015-04-06 | 5701-023-1014 | ND |
2015-04-20 | 5701-013-1509 | ND |
2015-05-04 | 9590-011-0841 | ND |
2015-05-04 | 9590-023-0846 | ND |
2015-05-18 | 5701-015-1615 | ND |
2015-06-01 | 5701-011-0843 | ND |
2015-06-01 | 5701-023-0847 | ND |
2015-07-01 | 5701-011-0905 | ND |
2015-07-01 | 5701-023-0857 | ND |
2015-07-22 | 5701-012-1020 | ND |
2015-07-22 | 5701-013-0947 | ND |
2015-07-22 | 5701-016-1631 | ND |
2015-08-04 | 5701-011-1110 | ND |
2015-08-04 | 5701-023-1113 | ND |
2015-08-19 | 5701-015-1102 | ND |
2015-09-08 | 5701-011-0822 | ND |
2015-09-08 | 5701-023-0815 | ND |
2015-10-05 | 5701-011-0823 | ND |
2015-10-05 | 5701-023-0813 | ND |
2015-10-19 | 5701-008-1318 | ND |
2015-10-19 | 5701-013-1308 | ND |
2015-11-02 | 5701-011-1110 | ND |
2015-11-02 | 5701-023-1113 | ND |
2015-11-16 | 5701-015-1017 | ND |
2015-12-01 | 5701-011-1317 | ND |
2015-12-01 | 5701-023-1321 | ND |
2016-01-04 | 5701-011-0840 | ND |
2016-01-04 | 5701-023-0844 | ND |
2016-01-21 | 5701-013-1306 | ND |
2016-02-01 | 5701-011-0904 | ND |
2016-02-01 | 5701-023-0910 | ND |
2016-03-02 | 5701-011-1016 | ND |
2016-03-02 | 5701-023-1018 | ND |
2016-04-04 | 5701-011-0833 | ND |
2016-04-04 | 5701-023-0843 | ND |
2016-04-18 | 5701-013-1258 | ND |
2016-05-02 | 5701-011-0858 | ND |
2016-05-02 | 5701-023-0901 | ND |
2016-06-06 | 5701-011-0829 | ND |
2016-06-06 | 5701-023-0814 | ND |
2016-06-22 | 5701-015-1333 | ND |
2016-07-05 | 5701-011-1326 | ND |
2016-07-05 | 5701-023-1329 | ND |
2016-07-19 | 5701-013-1606 | ND |
2016-07-20 | 5701-015-1043 | ND |
2016-07-20 | 5701-016-1007 | ND |
2016-08-01 | 5701-011-0931 | ND |
2016-08-01 | 5701-023-0936 | ND |
2016-09-12 | 5701-011-0904 | ND |
2016-09-12 | 5701-023-0907 | ND |
2016-10-03 | 5701-011-1109 | ND |
2016-10-03 | 5701-023-1100 | ND |
2016-10-19 | 5701-013-1209 | ND |
2016-11-07 | 5701-011-0940 | ND |
2016-11-07 | 5701-023-0943 | ND |
2016-11-15 | 5701-015-1310 | ND |
2016-12-05 | 5701-011-0826 | ND |
2016-12-05 | 5701-023-0829 | ND |
2017-01-05 | 5701-011-1017 | ND |
2017-01-05 | 5701-023-1023 | ND |
2017-01-19 | 5701-010-0931 | ND |
2017-01-25 | 5701-013-1003 | ND |
2017-02-06 | 5701-011-1002 | ND |
2017-02-06 | 5701-023-1006 | ND |
2017-03-06 | 5701-011-1112 | ND |
2017-03-06 | 5701-023-1115 | ND |
2017-04-03 | 5701-011-1022 | ND |
2017-04-03 | 5701-023-1026 | ND |
2017-04-13 | 5701-013-1120 | ND |
2017-05-01 | 5701-011-1020 | ND |
2017-05-01 | 5701-023-1022 | ND |
2017-05-25 | 5701-015-1409 | ND |
2017-06-05 | 5701-011-0937 | ND |
2017-06-05 | 5701-023-0940 | ND |
2017-07-06 | 5701-011-1030 | ND |
2017-07-06 | 5701-023-1034 | ND |
2017-07-18 | 9590-013-1410 | ND |
2017-07-18 | 9590-016-1350 | ND |
2017-08-07 | 5701-011-1051 | ND |
2017-08-07 | 5701-023-1043 | ND |
2017-08-14 | 5701-015-1420 | ND |
2017-09-11 | 5701-011-0928 | ND |
2017-09-11 | 5701-023-0930 | ND |
2017-10-02 | 5701-011-1018 | ND |
2017-10-02 | 5701-023-1021 | ND |
2017-10-17 | 5701-013-1130 | ND |
2017-11-06 | 5701-011-0907 | ND |
2017-11-06 | 5701-023-0911 | ND |
2017-12-04 | 5701-011-1108 | ND |
2017-12-04 | 5701-023-1112 | ND |
2018-01-02 | 5701-011-0934 | ND |
2018-01-02 | 5701-023-0934 | ND |
2018-01-21 | 5810-013-0830 | ND |
2018-02-06 | 5701-011-1325 | ND |
2018-02-06 | 5701-023-1328 | ND |
2018-02-14 | 5701-009-1448 | ND |
2018-03-05 | 5701-011-1053 | ND |
2018-03-05 | 5701-023-1103 | ND |
2018-03-14 | 5701-015-1442 | ND |
2018-04-09 | 5810-011-1019 | ND |
2018-04-09 | 5810-023-1026 | ND |
2018-04-16 | 9590-013-1006 | ND |
2018-05-07 | 5701-011-1116 | ND |
2018-05-07 | 5701-023-1119 | ND |
2018-05-14 | 5701-015-1451 | ND |
2018-06-05 | 5810-011-1347 | ND |
2018-06-05 | 5810-023-1356 | ND |
2018-07-02 | 5810-011-0927 | ND |
2018-07-02 | 5810-023-0934 | ND |
2018-08-06 | 5701-011-1107 | ND |
2018-08-06 | 5701-013-1321 | ND |
2018-08-06 | 5701-015-0948 | ND |
2018-08-06 | 5701-016-1554 | ND |
2018-08-06 | 5701-023-1114 | ND |
2018-08-08 | 5701-012-1344 | ND |
2018-09-10 | 5701-011-1010 | ND |
2018-09-10 | 5701-023-1014 | ND |
2018-10-01 | 5701-011-1350 | ND |
2018-10-01 | 5701-023-1357 | ND |
2018-11-05 | 5701-011-0840 | ND |
2018-11-05 | 5701-023-0844 | ND |
2018-11-19 | 5701-008-1515 | ND |
2018-11-19 | 5701-013-1528 | ND |
2018-11-26 | 5810-015-1134 | ND |
2018-12-03 | 5810-011-1010 | ND |
2018-12-03 | 5810-023-1015 | ND |
2019-01-08 | 5810-011-1358 | ND |
2019-01-08 | 5810-023-1410 | ND |
2019-01-21 | 9590-013-1050 | ND |
2019-02-04 | 5701-011-1358 | ND |
2019-02-04 | 5701-023-1408 | ND |
2019-03-04 | 5810-011-1323 | ND |
2019-03-04 | 5810-023-1315 | ND |
2019-04-02 | 5701-011-1325 | ND |
2019-04-02 | 5701-023-1335 | ND |
2019-04-11 | 5810-013-1602 | ND |
2019-05-06 | 5810-011-0944 | ND |
2019-05-06 | 5810-023-0948 | ND |
2019-05-16 | 5701-015-0900 | ND |
2019-06-03 | 5701-011-1435 | ND |
2019-06-03 | 5701-023-1439 | ND |
2019-07-01 | 5701-011-1106 | ND |
2019-07-01 | 5701-023-1110 | ND |
2019-07-16 | 5701-013-1343 | ND |
2019-07-23 | 5701-016-1435 | ND |
2019-08-05 | 5701-011-0922 | ND |
2019-08-05 | 5701-023-0925 | ND |
2019-08-19 | 5701-015-1353 | ND |
2019-09-04 | 5701-011-1357 | ND |
2019-09-04 | 5701-023-1400 | ND |
2019-10-02 | 5701-011-1609 | ND |
2019-10-02 | 5701-023-1602 | ND |
2019-10-16 | 5701-013-1024 | ND |
2019-11-03 | 5701-011-1055 | ND |
2019-11-03 | 5701-023-1101 | ND |
2019-11-18 | 5701-015-0924 | ND |
2019-12-02 | 5701-011-1100 | ND |
2019-12-02 | 5701-023-1108 | ND |