cis-1,2-Dichloroethylene
Metropolitan DWID
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.
122
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 13 | 0 | ND |
| 2015 | ND | 14 | 0 | ND |
| 2016 | ND | 30 | 0 | ND |
| 2017 | 0.169 ppb | 15 | 2 | ND - 1.90 ppb |
| 2018 | 0.512 ppb | 18 | 6 | ND - 2.60 ppb |
| 2019 | 0.0875 ppb | 32 | 1 | ND - 2.80 ppb |
ppb = parts per billion
State and national drinking water standards and health guidelines
EPA Maximum Contaminant
Level (MCL) 70 ppb
The legal limit for cis-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 |
|---|---|---|
| 2014-02-25 | 14B0636-01(4V) | ND |
| 2014-02-25 | 14B066-01(4V) | ND |
| 2014-02-26 | 14B0662-01(4V) | ND |
| 2014-02-26 | 14B0662-02(4V) | ND |
| 2014-05-19 | 14E0548-01(4V) | ND |
| 2014-05-20 | 14E0599-01(4V) | ND |
| 2014-06-19 | 14F0675-01(4V) | ND |
| 2014-08-06 | 14H0315-01(4V) | ND |
| 2014-08-19 | 14H0632-01(4V) | ND |
| 2014-08-19 | 14H0666-01(4V) | ND |
| 2014-10-21 | 14J0681-01(4V) | ND |
| 2014-11-12 | 14K0403-01(4V) | ND |
| 2014-11-18 | 14K0529-01(4V) | ND |
| 2015-02-23 | 15B0674-01(4V) | ND |
| 2015-02-24 | 15B0704-01(4V) | ND |
| 2015-02-24 | 15B0705-01(4V) | ND |
| 2015-05-19 | 15E0548-01(4V) | ND |
| 2015-05-19 | 15E0565-01(4V) | ND |
| 2015-05-26 | 15E0688-01(4V) | ND |
| 2015-08-18 | 15H0615-01(4V) | ND |
| 2015-08-18 | 15H0656-01(4V) | ND |
| 2015-08-26 | 15H0813-01(4V) | ND |
| 2015-08-26 | 15H0813-02(4V) | ND |
| 2015-08-26 | 15H0813-03(4V) | ND |
| 2015-10-20 | 15J0610-01(4V) | ND |
| 2015-11-23 | 15K0636-01(4V) | ND |
| 2015-11-23 | 15K0638-01(4V) | ND |
| 2016-02-16 | 16B0558-01(4V) | ND |
| 2016-02-17 | 16B0585-01(4V) | ND |
| 2016-03-23 | 16C0690-01(4V) | ND |
| 2016-05-17 | 16E0574-01(4V) | ND |
| 2016-05-17 | 16E0574-02(4V) | ND |
| 2016-05-17 | 201605180347V | ND |
| 2016-05-24 | 16E0711-01(4V) | ND |
| 2016-05-24 | 16E0711-02(4V) | ND |
| 2016-05-24 | 16E0711-03(4V) | ND |
| 2016-05-24 | 16E0711-04(4V) | ND |
| 2016-08-02 | 16H0156-01(4V) | ND |
| 2016-08-02 | 16H0156-02(4V) | ND |
| 2016-08-02 | 16H0156-03(4V) | ND |
| 2016-08-02 | 16H0156-04(4V) | ND |
| 2016-08-10 | 16H0455-01(4V) | ND |
| 2016-08-10 | 16H0455-02(4V) | ND |
| 2016-08-10 | 16H0455-03(4V) | ND |
| 2016-08-10 | 16H0455-04(4V) | ND |
| 2016-08-16 | 16H0638-01(4V) | ND |
| 2016-08-16 | 16H0641-01(4V) | ND |
| 2016-08-17 | 16H0673-01(4V) | ND |
| 2016-08-17 | 16H0673-02(4V) | ND |
| 2016-08-17 | 16H0673-03(4V) | ND |
| 2016-08-17 | 16H0673-04(4V) | ND |
| 2016-08-23 | 16H0785-01(4V) | ND |
| 2016-11-14 | 16K0461-01(4V) | ND |
| 2016-11-14 | 16K0461-02(4V) | ND |
| 2016-11-14 | 16K0461-03(4V) | ND |
| 2016-11-15 | 16K0506-01(4V) | ND |
| 2016-11-15 | 16K0522-01(4V) | ND |
| 2017-01-24 | 17A0655-01(4V) | ND |
| 2017-02-07 | 17B0257-01(4V) | ND |
| 2017-02-14 | 17B0454-01(4V) | ND |
| 2017-02-14 | 17B0458-01(4V) | ND |
| 2017-05-23 | 17E0599-02(4V) | ND |
| 2017-05-23 | 17E0709-01(4V) | ND |
| 2017-05-23 | 17E0710-01(4V) | ND |
| 2017-08-15 | 17H0576-01(4V) | ND |
| 2017-08-15 | 17H0624-01(4V) | ND |
| 2017-08-16 | 17H0620-02(4V) | ND |
| 2017-08-16 | 17H0620-03(4V) | ND |
| 2017-08-16 | 17H0620-04(4V) | ND |
| 2017-11-21 | 17K0561-01(4V) | 0.640 ppb |
| 2017-11-21 | 17K0573-01(4V) | 1.90 ppb |
| 2017-11-27 | 17K0610-01(4V) | ND |
| 2018-02-06 | 18B0168-01(4V) | ND |
| 2018-02-06 | 18B0168-02(4V) | 0.800 ppb |
| 2018-02-20 | 18B0507-01(4V) | 2.60 ppb |
| 2018-05-02 | 18E0076-01(4V) | ND |
| 2018-05-08 | 18E0225-01(4V) | ND |
| 2018-05-08 | 18E0225-02(4V) | ND |
| 2018-05-15 | 18E0433-01(4V) | ND |
| 2018-08-20 | 18H0547-01(4V) | ND |
| 2018-08-20 | 18H0547-02(4V) | 0.720 ppb |
| 2018-08-20 | 18H0547-03(4V) | ND |
| 2018-08-21 | 18H0621-01(4V) | 2.00 ppb |
| 2018-08-27 | 18H0729-01(4V) | ND |
| 2018-08-27 | 18H0729-02(4V) | ND |
| 2018-08-27 | 18H0729-03(4V) | ND |
| 2018-10-02 | 18J0105-01(4V) | 0.800 ppb |
| 2018-10-02 | 18J0107-01(4V) | 2.30 ppb |
| 2018-11-06 | 18K0066-01(4V) | ND |
| 2018-11-06 | 18K0066-02(4V) | ND |
| 2019-02-05 | 19B0113-01(4V) | ND |
| 2019-02-05 | 19B0113-03(4V) | ND |
| 2019-03-05 | 19C0132-01(4V) | ND |
| 2019-03-06 | 19C0147-01(4V) | ND |
| 2019-05-21 | 19E0529-01(4V) | 2.80 ppb |
| 2019-05-21 | 19E0530-01(4V) | ND |
| 2019-05-21 | 19E0530-02(4V) | ND |
| 2019-05-28 | 19E0604-02(4V) | ND |
| 2019-05-28 | 19E0604-03(4V) | ND |
| 2019-05-28 | 19E0604-05(4V) | ND |
| 2019-05-28 | 19E0604-06(4V) | ND |
| 2019-08-05 | 19H0089-01(4V) | ND |
| 2019-08-06 | 19H0195-01(4V) | ND |
| 2019-08-06 | 19H0195-02(4V) | ND |
| 2019-08-06 | 19H0196-01(4V) | ND |
| 2019-08-06 | 19H0196-02(4V) | ND |
| 2019-08-06 | 19H0196-03(4V) | ND |
| 2019-08-13 | 19H0371-01(4V) | ND |
| 2019-08-13 | 19H0371-02(4V) | ND |
| 2019-08-14 | 19H0397-01(4V) | ND |
| 2019-08-14 | 19H0397-02(4V) | ND |
| 2019-08-14 | 19H0397-03(4V) | ND |
| 2019-08-14 | 19H0397-04(4V) | ND |
| 2019-08-14 | 19H0397-05(4V) | ND |
| 2019-08-20 | 19H0539-01(4V) | ND |
| 2019-11-05 | 19K0107-01(4V) | ND |
| 2019-11-19 | 19K0522-01(4V) | ND |
| 2019-11-19 | 19K0525-01(4V) | ND |
| 2019-11-19 | 19K0525-02(4V) | ND |
| 2019-11-19 | 19K0525-03(4V) | ND |
| 2019-11-19 | 19K0525-04(4V) | ND |
| 2019-11-19 | 19K0525-05(4V) | ND |