trans-1,2-Dichloroethylene
Cedarburg L & W Commission
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.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 13 | 0 | ND |
| 2015 | 0.206 ppb | 24 | 7 | ND - 1.20 ppb |
| 2016 | 0.171 ppb | 23 | 5 | ND - 1.000 ppb |
| 2017 | 0.136 ppb | 25 | 4 | ND - 1.10 ppb |
| 2018 | 0.0792 ppb | 24 | 3 | ND - 0.700 ppb |
| 2019 | 0.0463 ppb | 27 | 2 | ND - 0.680 ppb |
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 |
|---|---|---|
| 2014-03-04 | 772846 | ND |
| 2014-03-04 | 772841 | ND |
| 2014-03-04 | 772844 | ND |
| 2014-05-12 | 785096 | ND |
| 2014-05-12 | 785091 | ND |
| 2014-05-12 | 785094 | ND |
| 2014-08-19 | 811812 | ND |
| 2014-08-19 | 811810 | ND |
| 2014-08-19 | 811816 | ND |
| 2014-08-19 | 811815 | ND |
| 2014-12-01 | 833295 | ND |
| 2014-12-01 | 833292 | ND |
| 2014-12-01 | 833297 | ND |
| 2015-03-10 | 847454 | ND |
| 2015-03-10 | 847447 | ND |
| 2015-03-10 | 847449 | ND |
| 2015-03-10 | 847457 | ND |
| 2015-03-10 | 847450 | ND |
| 2015-03-10 | 847452 | 0.270 ppb |
| 2015-06-01 | 862720 | ND |
| 2015-06-01 | 862715 | ND |
| 2015-06-01 | 862718 | ND |
| 2015-06-01 | 862717 | ND |
| 2015-06-01 | 862719 | 0.570 ppb |
| 2015-06-01 | 862716 | 1.10 ppb |
| 2015-07-28 | 873581 | ND |
| 2015-07-28 | 873576 | ND |
| 2015-07-28 | 873578 | ND |
| 2015-07-28 | 873579 | ND |
| 2015-07-28 | 873580 | 0.550 ppb |
| 2015-07-28 | 873577 | 1.20 ppb |
| 2015-10-05 | 887229 | ND |
| 2015-10-05 | 887224 | ND |
| 2015-10-05 | 887226 | ND |
| 2015-10-05 | 887227 | ND |
| 2015-10-05 | 887228 | 0.390 ppb |
| 2015-10-05 | 887225 | 0.870 ppb |
| 2016-03-08 | 908903 | ND |
| 2016-03-08 | 908895 | ND |
| 2016-03-08 | 908899 | ND |
| 2016-03-08 | 908898 | ND |
| 2016-03-08 | 908897 | 0.700 ppb |
| 2016-03-08 | 908901 | 0.760 ppb |
| 2016-05-16 | 921447 | ND |
| 2016-05-16 | 921443 | ND |
| 2016-05-16 | 921445 | ND |
| 2016-05-16 | 921444 | ND |
| 2016-05-16 | 921446 | 1.000 ppb |
| 2016-08-15 | 939240 | ND |
| 2016-08-15 | 939235 | ND |
| 2016-08-15 | 939236 | ND |
| 2016-08-15 | 939238 | ND |
| 2016-08-15 | 939237 | ND |
| 2016-08-15 | 939239 | 0.700 ppb |
| 2016-10-17 | 953742 | ND |
| 2016-10-17 | 953737 | ND |
| 2016-10-17 | 953738 | ND |
| 2016-10-17 | 953739 | ND |
| 2016-10-17 | 953740 | ND |
| 2016-10-17 | 953741 | 0.770 ppb |
| 2017-01-16 | 969880 | ND |
| 2017-01-16 | 969877 | ND |
| 2017-01-16 | 969884 | ND |
| 2017-01-16 | 969904 | ND |
| 2017-01-16 | 969905 | ND |
| 2017-01-16 | 969887 | ND |
| 2017-01-16 | 969906 | 0.600 ppb |
| 2017-04-12 | 982954 | ND |
| 2017-04-12 | 982948 | ND |
| 2017-04-12 | 982949 | ND |
| 2017-04-12 | 982951 | ND |
| 2017-04-12 | 982950 | ND |
| 2017-04-12 | 982952 | 1.10 ppb |
| 2017-07-24 | 1006158 | ND |
| 2017-07-24 | 1006154 | ND |
| 2017-07-24 | 1006155 | ND |
| 2017-07-24 | 1006159 | ND |
| 2017-07-24 | 1006156 | ND |
| 2017-07-24 | 1006157 | 0.840 ppb |
| 2017-11-13 | 1029331 | ND |
| 2017-11-13 | 1029326 | ND |
| 2017-11-13 | 1029327 | ND |
| 2017-11-13 | 1029329 | ND |
| 2017-11-13 | 1029328 | ND |
| 2017-11-13 | 1029330 | 0.850 ppb |
| 2018-01-11 | 1036954 | ND |
| 2018-01-11 | 1036953 | ND |
| 2018-01-11 | 1036949 | ND |
| 2018-01-11 | 1036950 | ND |
| 2018-01-11 | 1036952 | ND |
| 2018-01-11 | 1036951 | ND |
| 2018-04-16 | 1050258 | ND |
| 2018-04-16 | 1050253 | ND |
| 2018-04-16 | 1050254 | ND |
| 2018-04-16 | 1050256 | ND |
| 2018-04-16 | 1050255 | ND |
| 2018-04-16 | 1050257 | 0.600 ppb |
| 2018-07-31 | 1070622 | ND |
| 2018-07-31 | 1070617 | ND |
| 2018-07-31 | 1070618 | ND |
| 2018-07-31 | 1070619 | ND |
| 2018-07-31 | 1070620 | ND |
| 2018-07-31 | 1070621 | 0.700 ppb |
| 2018-11-06 | 1091353 | ND |
| 2018-11-06 | 1091348 | ND |
| 2018-11-06 | 1091349 | ND |
| 2018-11-06 | 1091350 | ND |
| 2018-11-06 | 1091351 | ND |
| 2018-11-06 | 1091352 | 0.600 ppb |
| 2019-01-08 | 1100042 | ND |
| 2019-01-08 | 1100041 | ND |
| 2019-01-08 | 1100040 | ND |
| 2019-01-08 | 1100039 | ND |
| 2019-01-08 | 1100044 | ND |
| 2019-01-08 | 1100043 | 0.570 ppb |
| 2019-06-03 | 1124606 | ND |
| 2019-06-03 | 1124605 | ND |
| 2019-06-03 | 1124603 | ND |
| 2019-06-03 | 1124604 | ND |
| 2019-06-24 | 1130093 | ND |
| 2019-06-24 | 1130092 | ND |
| 2019-07-23 | 1136373 | ND |
| 2019-08-19 | 1141967 | ND |
| 2019-08-19 | 1141966 | ND |
| 2019-08-19 | 1141962 | ND |
| 2019-08-19 | 1141963 | ND |
| 2019-08-19 | 1141965 | ND |
| 2019-08-19 | 1141964 | ND |
| 2019-09-09 | 1146111 | ND |
| 2019-10-21 | 1156361 | ND |
| 2019-11-05 | 1159255 | ND |
| 2019-11-05 | 1159251 | ND |
| 2019-11-05 | 1159253 | ND |
| 2019-11-05 | 1159252 | ND |
| 2019-11-05 | 1159254 | 0.680 ppb |
| 2019-12-10 | 1165212 | ND |