cis-1,2-Dichloroethylene
Collegeville Trappe Joint Public Works Department
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.
215
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 | ND | 28 | 0 | ND |
| 2019 | ND | 28 | 0 | ND |
| 2020 | ND | 40 | 0 | ND |
| 2021 | ND | 40 | 0 | ND |
| 2022 | ND | 40 | 0 | ND |
| 2023 | ND | 39 | 0 | ND |
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 |
|---|---|---|
| 2018-01-22 | 20180311 | ND |
| 2018-01-22 | 20180312 | ND |
| 2018-01-22 | 20180313 | ND |
| 2018-01-22 | 20180314 | ND |
| 2018-01-22 | 20180315 | ND |
| 2018-01-22 | 20180316 | ND |
| 2018-01-22 | 20180317 | ND |
| 2018-04-18 | 20181575 | ND |
| 2018-04-18 | 20181576 | ND |
| 2018-04-18 | 20181577 | ND |
| 2018-04-18 | 20181578 | ND |
| 2018-04-18 | 20181579 | ND |
| 2018-04-18 | 20181580 | ND |
| 2018-04-18 | 20181581 | ND |
| 2018-07-16 | 20182718 | ND |
| 2018-07-16 | 20182719 | ND |
| 2018-07-16 | 20182720 | ND |
| 2018-07-16 | 20182721 | ND |
| 2018-07-16 | 20182722 | ND |
| 2018-07-16 | 20182723 | ND |
| 2018-07-16 | 20182724 | ND |
| 2018-10-15 | 20183946 | ND |
| 2018-10-15 | 20183947 | ND |
| 2018-10-15 | 20183948 | ND |
| 2018-10-15 | 20183949 | ND |
| 2018-10-15 | 20183950 | ND |
| 2018-10-15 | 20183951 | ND |
| 2018-10-15 | 20183952 | ND |
| 2019-01-23 | 20190306 | ND |
| 2019-01-23 | 20190307 | ND |
| 2019-01-23 | 20190308 | ND |
| 2019-01-23 | 20190309 | ND |
| 2019-01-23 | 20190310 | ND |
| 2019-01-23 | 20190311 | ND |
| 2019-01-23 | 20190312 | ND |
| 2019-04-15 | 20191439 | ND |
| 2019-04-15 | 20191440 | ND |
| 2019-04-15 | 20191441 | ND |
| 2019-04-15 | 20191442 | ND |
| 2019-04-15 | 20191443 | ND |
| 2019-04-15 | 20191444 | ND |
| 2019-04-15 | 20191445 | ND |
| 2019-07-15 | 20192706 | ND |
| 2019-07-15 | 20192707 | ND |
| 2019-07-15 | 20192708 | ND |
| 2019-07-15 | 20192709 | ND |
| 2019-07-15 | 20192710 | ND |
| 2019-07-15 | 20192711 | ND |
| 2019-07-15 | 20192712 | ND |
| 2019-10-21 | 20194150 | ND |
| 2019-10-21 | 20194151 | ND |
| 2019-10-21 | 20194152 | ND |
| 2019-10-21 | 20194153 | ND |
| 2019-10-21 | 20194154 | ND |
| 2019-10-21 | 20194155 | ND |
| 2019-10-21 | 20194156 | ND |
| 2020-01-20 | 21500892.00 | ND |
| 2020-01-20 | 21500913.00 | ND |
| 2020-01-20 | 21500934.00 | ND |
| 2020-01-20 | 21500955.00 | ND |
| 2020-01-20 | 21500976.00 | ND |
| 2020-01-20 | 21500997.00 | ND |
| 2020-03-02 | 21845014.00 | ND |
| 2020-03-02 | 21845035.00 | ND |
| 2020-03-02 | 21845056.00 | ND |
| 2020-03-02 | 21845077.00 | ND |
| 2020-05-18 | 22213315.00 | ND |
| 2020-05-18 | 22213336.00 | ND |
| 2020-05-18 | 22213357.00 | ND |
| 2020-05-18 | 22213378.00 | ND |
| 2020-05-18 | 22213399.00 | ND |
| 2020-05-18 | 22213420.00 | ND |
| 2020-05-18 | 22213441.00 | ND |
| 2020-06-08 | 22414005.00 | ND |
| 2020-06-08 | 22414026.00 | ND |
| 2020-06-08 | 22414047.00 | ND |
| 2020-08-03 | 22605625.00 | ND |
| 2020-08-03 | 22605646.00 | ND |
| 2020-08-03 | 22605667.00 | ND |
| 2020-08-03 | 22605688.00 | ND |
| 2020-08-03 | 22605709.00 | ND |
| 2020-08-17 | 22797376.00 | ND |
| 2020-08-17 | 22797397.00 | ND |
| 2020-08-17 | 22797418.00 | ND |
| 2020-08-17 | 22797439.00 | ND |
| 2020-08-17 | 22797460.00 | ND |
| 2020-10-19 | 23180745.00 | ND |
| 2020-10-19 | 23180766.00 | ND |
| 2020-10-19 | 23180787.00 | ND |
| 2020-10-19 | 23180808.00 | ND |
| 2020-10-19 | 23180829.00 | ND |
| 2020-10-19 | 23180850.00 | ND |
| 2020-11-02 | 23360565.00 | ND |
| 2020-11-02 | 23360586.00 | ND |
| 2020-11-02 | 23360607.00 | ND |
| 2020-11-02 | 23360628.00 | ND |
| 2021-01-18 | 23711036.00 | ND |
| 2021-01-18 | 23711057.00 | ND |
| 2021-01-18 | 23711078.00 | ND |
| 2021-01-18 | 23711099.00 | ND |
| 2021-01-18 | 23711120.00 | ND |
| 2021-02-03 | 23887116.00 | ND |
| 2021-02-03 | 23887137.00 | ND |
| 2021-02-03 | 23887158.00 | ND |
| 2021-02-03 | 23887179.00 | ND |
| 2021-03-22 | 24058523.00 | ND |
| 2021-04-19 | 24246019.00 | ND |
| 2021-04-19 | 24246040.00 | ND |
| 2021-04-19 | 24246061.00 | ND |
| 2021-04-19 | 24246082.00 | ND |
| 2021-04-19 | 24246103.00 | ND |
| 2021-04-19 | 24246124.00 | ND |
| 2021-05-17 | 24436778.00 | ND |
| 2021-05-17 | 24436799.00 | ND |
| 2021-05-17 | 24436820.00 | ND |
| 2021-05-17 | 24436841.00 | ND |
| 2021-08-02 | 24827167.00 | ND |
| 2021-08-02 | 24827188.00 | ND |
| 2021-08-02 | 24827209.00 | ND |
| 2021-08-02 | 24827230.00 | ND |
| 2021-08-16 | 25021283.00 | ND |
| 2021-08-16 | 25021304.00 | ND |
| 2021-08-16 | 25021325.00 | ND |
| 2021-08-16 | 25021346.00 | ND |
| 2021-08-16 | 25021367.00 | ND |
| 2021-08-16 | 25021388.00 | ND |
| 2021-10-18 | 25402980.00 | ND |
| 2021-10-18 | 25403001.00 | ND |
| 2021-10-18 | 25403022.00 | ND |
| 2021-10-18 | 25403043.00 | ND |
| 2021-10-18 | 25403064.00 | ND |
| 2021-10-18 | 25403085.00 | ND |
| 2021-11-01 | 25586576.00 | ND |
| 2021-11-01 | 25586597.00 | ND |
| 2021-11-01 | 25586618.00 | ND |
| 2021-11-01 | 25586639.00 | ND |
| 2022-01-17 | 25940998.00 | ND |
| 2022-01-17 | 25941019.00 | ND |
| 2022-01-17 | 25941040.00 | ND |
| 2022-01-17 | 25941061.00 | ND |
| 2022-01-17 | 25941082.00 | ND |
| 2022-01-17 | 25941103.00 | ND |
| 2022-02-07 | 26116010.00 | ND |
| 2022-02-07 | 26116031.00 | ND |
| 2022-02-07 | 26116052.00 | ND |
| 2022-02-07 | 26116073.00 | ND |
| 2022-04-18 | 26462314.00 | ND |
| 2022-04-18 | 26462335.00 | ND |
| 2022-04-18 | 26462356.00 | ND |
| 2022-04-18 | 26462377.00 | ND |
| 2022-04-18 | 26462398.00 | ND |
| 2022-04-18 | 26462419.00 | ND |
| 2022-05-02 | 26646903.00 | ND |
| 2022-05-02 | 26646924.00 | ND |
| 2022-05-02 | 26646945.00 | ND |
| 2022-05-02 | 26646966.00 | ND |
| 2022-07-18 | 27035691.00 | ND |
| 2022-07-18 | 27035712.00 | ND |
| 2022-07-18 | 27035733.00 | ND |
| 2022-07-18 | 27035754.00 | ND |
| 2022-07-18 | 27035775.00 | ND |
| 2022-07-18 | 27035796.00 | ND |
| 2022-08-01 | 27232415.00 | ND |
| 2022-08-01 | 27232436.00 | ND |
| 2022-08-01 | 27232457.00 | ND |
| 2022-08-01 | 27232478.00 | ND |
| 2022-10-17 | 27639849.00 | ND |
| 2022-10-17 | 27639870.00 | ND |
| 2022-10-17 | 27639891.00 | ND |
| 2022-10-17 | 27639912.00 | ND |
| 2022-10-17 | 27639933.00 | ND |
| 2022-10-17 | 27639954.00 | ND |
| 2022-11-07 | 27821387.00 | ND |
| 2022-11-07 | 27821408.00 | ND |
| 2022-11-07 | 27821429.00 | ND |
| 2022-11-07 | 27821450.00 | ND |
| 2023-01-23 | 28171107.00 | ND |
| 2023-01-23 | 28171128.00 | ND |
| 2023-01-23 | 28171149.00 | ND |
| 2023-01-23 | 28171170.00 | ND |
| 2023-02-06 | 28348072.00 | ND |
| 2023-02-06 | 28348093.00 | ND |
| 2023-02-06 | 28348114.00 | ND |
| 2023-02-06 | 28348135.00 | ND |
| 2023-02-06 | 28348156.00 | ND |
| 2023-02-06 | 28348177.00 | ND |
| 2023-04-17 | 28700392.00 | ND |
| 2023-04-17 | 28700413.00 | ND |
| 2023-04-17 | 28700434.00 | ND |
| 2023-04-17 | 28700455.00 | ND |
| 2023-04-17 | 28700476.00 | ND |
| 2023-04-17 | 28700497.00 | ND |
| 2023-05-22 | 28899005.00 | ND |
| 2023-05-22 | 28899006.00 | ND |
| 2023-05-22 | 28899007.00 | ND |
| 2023-05-22 | 28899008.00 | ND |
| 2023-07-24 | 29300391.00 | ND |
| 2023-07-24 | 29300412.00 | ND |
| 2023-07-24 | 29300433.00 | ND |
| 2023-07-24 | 29300454.00 | ND |
| 2023-07-24 | 29300475.00 | ND |
| 2023-07-24 | 29300496.00 | ND |
| 2023-08-07 | 29495518.00 | ND |
| 2023-08-07 | 29495539.00 | ND |
| 2023-08-07 | 29495560.00 | ND |
| 2023-08-07 | 29495581.00 | ND |
| 2023-10-16 | 29885086.00 | ND |
| 2023-10-16 | 29885107.00 | ND |
| 2023-10-16 | 29885128.00 | ND |
| 2023-10-16 | 29885149.00 | ND |
| 2023-10-16 | 29885170.00 | ND |
| 2023-10-16 | 29885191.00 | ND |
| 2023-11-06 | 30069944.00 | ND |
| 2023-11-06 | 30069965.00 | ND |
| 2023-11-06 | 30069986.00 | ND |