cis-1,2-Dichloroethylene
Saint Louis Park
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.
47
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 |
|---|---|---|---|---|
| 2018 | 0.934 ppb | 5 | 4 | ND - 2.20 ppb |
| 2019 | 0.800 ppb | 6 | 3 | ND - 2.00 ppb |
| 2020 | 1.18 ppb | 10 | 7 | ND - 2.60 ppb |
| 2021 | 1.54 ppb | 8 | 7 | ND - 2.20 ppb |
| 2022 | 1.56 ppb | 8 | 7 | ND - 4.00 ppb |
| 2023 | 1.90 ppb | 10 | 8 | ND - 4.30 ppb |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
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 |
|---|---|---|
| 2018-01-19 | 18A0639-01 | ND |
| 2018-04-10 | 18D0389-01 | 0.470 ppb |
| 2018-07-12 | 18G0518-01 | 1.000 ppb |
| 2018-07-12 | 18G0516-01 | 2.20 ppb |
| 2018-10-17 | 18J0842-01 | 1.000 ppb |
| 2019-02-13 | 19B0557-01 | 1.40 ppb |
| 2019-05-16 | 19E1269-01 | ND |
| 2019-05-16 | 19E1270-01 | ND |
| 2019-05-21 | 19E1637-01 | 1.40 ppb |
| 2019-08-07 | 19H0616-01 | 2.00 ppb |
| 2019-10-29 | 19J1574-01 | ND |
| 2020-01-22 | 20A0832-02 | ND |
| 2020-01-22 | 20A0832-01 | 2.10 ppb |
| 2020-05-21 | 20E1400-01 | ND |
| 2020-05-21 | 20E1400-02 | ND |
| 2020-05-21 | 20E1401-02 | 2.40 ppb |
| 2020-06-08 | 20F0622-01 | 2.20 ppb |
| 2020-08-05 | 20H0263-03 | 0.230 ppb |
| 2020-08-21 | 20H1724-01 | 2.60 ppb |
| 2020-11-12 | 20K0537-01 | 1.70 ppb |
| 2020-11-12 | 20K0537-02 | 0.540 ppb |
| 2021-03-26 | 21C1102-01 | 1.60 ppb |
| 2021-04-29 | 21D1871-01 | 2.20 ppb |
| 2021-04-29 | 21D1870-01 | 1.30 ppb |
| 2021-08-10 | 21H0796-02 | 1.40 ppb |
| 2021-08-10 | 21H0797-01 | 2.10 ppb |
| 2021-11-30 | 21L0010-02 | ND |
| 2021-11-30 | 21L0016-01 | 2.10 ppb |
| 2021-12-21 | 21L0852-01 | 1.60 ppb |
| 2022-02-08 | 22B0528-02 | ND |
| 2022-02-08 | 22B0531-01 | 2.10 ppb |
| 2022-06-22 | 22F1363-01 | 0.290 ppb |
| 2022-07-18 | 22G1076-01 | 4.00 ppb |
| 2022-09-23 | 22I1991-01 | 0.700 ppb |
| 2022-09-23 | 22I1993-01 | 2.30 ppb |
| 2022-11-18 | 22K0869-01 | 0.780 ppb |
| 2022-11-18 | 22K0870-01 | 2.30 ppb |
| 2023-03-15 | 23C0731-01 | 2.80 ppb |
| 2023-03-15 | 23C0732-01 | 0.920 ppb |
| 2023-06-08 | 23F0898-01 | 4.30 ppb |
| 2023-06-08 | 23F0898-02 | ND |
| 2023-06-08 | 23F0898-03 | 1.20 ppb |
| 2023-07-19 | 23G1149-01 | 3.30 ppb |
| 2023-07-19 | 23G1149-03 | 1.60 ppb |
| 2023-10-30 | 23J1664-01 | 2.70 ppb |
| 2023-10-30 | 23J1664-04 | ND |
| 2023-10-30 | 23J1665-01 | 2.20 ppb |