Know Your Environment. Protect Your Health.

1,1-Dichloroethylene

Collegeville Trappe Joint Public Works Department

1,1-Dichloroethylene is used for plastics production. It damages DNA and causes cancer in laboratory animal studies.

 

215

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND280ND
2019ND280ND
2020ND400ND
2021ND400ND
2022ND400ND
2023ND390ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EPA Maximum Contaminant
Level (MCL): 7 ppb

The legal limit for 1,1-dichloroethylene, established in 1987, was based on a toxicity study conducted in laboratory animals in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-2220180311ND
2018-01-2220180312ND
2018-01-2220180313ND
2018-01-2220180314ND
2018-01-2220180315ND
2018-01-2220180316ND
2018-01-2220180317ND
2018-04-1820181575ND
2018-04-1820181576ND
2018-04-1820181577ND
2018-04-1820181578ND
2018-04-1820181579ND
2018-04-1820181580ND
2018-04-1820181581ND
2018-07-1620182718ND
2018-07-1620182719ND
2018-07-1620182720ND
2018-07-1620182721ND
2018-07-1620182722ND
2018-07-1620182723ND
2018-07-1620182724ND
2018-10-1520183946ND
2018-10-1520183947ND
2018-10-1520183948ND
2018-10-1520183949ND
2018-10-1520183950ND
2018-10-1520183951ND
2018-10-1520183952ND
2019-01-2320190306ND
2019-01-2320190307ND
2019-01-2320190308ND
2019-01-2320190309ND
2019-01-2320190310ND
2019-01-2320190311ND
2019-01-2320190312ND
2019-04-1520191439ND
2019-04-1520191440ND
2019-04-1520191441ND
2019-04-1520191442ND
2019-04-1520191443ND
2019-04-1520191444ND
2019-04-1520191445ND
2019-07-1520192706ND
2019-07-1520192707ND
2019-07-1520192708ND
2019-07-1520192709ND
2019-07-1520192710ND
2019-07-1520192711ND
2019-07-1520192712ND
2019-10-2120194150ND
2019-10-2120194151ND
2019-10-2120194152ND
2019-10-2120194153ND
2019-10-2120194154ND
2019-10-2120194155ND
2019-10-2120194156ND
2020-01-2021500898.00ND
2020-01-2021500919.00ND
2020-01-2021500940.00ND
2020-01-2021500961.00ND
2020-01-2021500982.00ND
2020-01-2021501003.00ND
2020-03-0221845020.00ND
2020-03-0221845041.00ND
2020-03-0221845062.00ND
2020-03-0221845083.00ND
2020-05-1822213321.00ND
2020-05-1822213342.00ND
2020-05-1822213363.00ND
2020-05-1822213384.00ND
2020-05-1822213405.00ND
2020-05-1822213426.00ND
2020-05-1822213447.00ND
2020-06-0822414011.00ND
2020-06-0822414032.00ND
2020-06-0822414053.00ND
2020-08-0322605631.00ND
2020-08-0322605652.00ND
2020-08-0322605673.00ND
2020-08-0322605694.00ND
2020-08-0322605715.00ND
2020-08-1722797382.00ND
2020-08-1722797403.00ND
2020-08-1722797424.00ND
2020-08-1722797445.00ND
2020-08-1722797466.00ND
2020-10-1923180751.00ND
2020-10-1923180772.00ND
2020-10-1923180793.00ND
2020-10-1923180814.00ND
2020-10-1923180835.00ND
2020-10-1923180856.00ND
2020-11-0223360571.00ND
2020-11-0223360592.00ND
2020-11-0223360613.00ND
2020-11-0223360634.00ND
2021-01-1823711042.00ND
2021-01-1823711063.00ND
2021-01-1823711084.00ND
2021-01-1823711105.00ND
2021-01-1823711126.00ND
2021-02-0323887122.00ND
2021-02-0323887143.00ND
2021-02-0323887164.00ND
2021-02-0323887185.00ND
2021-03-2224058529.00ND
2021-04-1924246025.00ND
2021-04-1924246046.00ND
2021-04-1924246067.00ND
2021-04-1924246088.00ND
2021-04-1924246109.00ND
2021-04-1924246130.00ND
2021-05-1724436784.00ND
2021-05-1724436805.00ND
2021-05-1724436826.00ND
2021-05-1724436847.00ND
2021-08-0224827173.00ND
2021-08-0224827194.00ND
2021-08-0224827215.00ND
2021-08-0224827236.00ND
2021-08-1625021289.00ND
2021-08-1625021310.00ND
2021-08-1625021331.00ND
2021-08-1625021352.00ND
2021-08-1625021373.00ND
2021-08-1625021394.00ND
2021-10-1825402986.00ND
2021-10-1825403007.00ND
2021-10-1825403028.00ND
2021-10-1825403049.00ND
2021-10-1825403070.00ND
2021-10-1825403091.00ND
2021-11-0125586582.00ND
2021-11-0125586603.00ND
2021-11-0125586624.00ND
2021-11-0125586645.00ND
2022-01-1725941004.00ND
2022-01-1725941025.00ND
2022-01-1725941046.00ND
2022-01-1725941067.00ND
2022-01-1725941088.00ND
2022-01-1725941109.00ND
2022-02-0726116016.00ND
2022-02-0726116037.00ND
2022-02-0726116058.00ND
2022-02-0726116079.00ND
2022-04-1826462320.00ND
2022-04-1826462341.00ND
2022-04-1826462362.00ND
2022-04-1826462383.00ND
2022-04-1826462404.00ND
2022-04-1826462425.00ND
2022-05-0226646909.00ND
2022-05-0226646930.00ND
2022-05-0226646951.00ND
2022-05-0226646972.00ND
2022-07-1827035697.00ND
2022-07-1827035718.00ND
2022-07-1827035739.00ND
2022-07-1827035760.00ND
2022-07-1827035781.00ND
2022-07-1827035802.00ND
2022-08-0127232421.00ND
2022-08-0127232442.00ND
2022-08-0127232463.00ND
2022-08-0127232484.00ND
2022-10-1727639855.00ND
2022-10-1727639876.00ND
2022-10-1727639897.00ND
2022-10-1727639918.00ND
2022-10-1727639939.00ND
2022-10-1727639960.00ND
2022-11-0727821393.00ND
2022-11-0727821414.00ND
2022-11-0727821435.00ND
2022-11-0727821456.00ND
2023-01-2328171113.00ND
2023-01-2328171134.00ND
2023-01-2328171155.00ND
2023-01-2328171176.00ND
2023-02-0628348078.00ND
2023-02-0628348099.00ND
2023-02-0628348120.00ND
2023-02-0628348141.00ND
2023-02-0628348162.00ND
2023-02-0628348183.00ND
2023-04-1728700398.00ND
2023-04-1728700419.00ND
2023-04-1728700440.00ND
2023-04-1728700461.00ND
2023-04-1728700482.00ND
2023-04-1728700503.00ND
2023-05-2228899029.00ND
2023-05-2228899030.00ND
2023-05-2228899031.00ND
2023-05-2228899032.00ND
2023-07-2429300397.00ND
2023-07-2429300418.00ND
2023-07-2429300439.00ND
2023-07-2429300460.00ND
2023-07-2429300481.00ND
2023-07-2429300502.00ND
2023-08-0729495524.00ND
2023-08-0729495545.00ND
2023-08-0729495566.00ND
2023-08-0729495587.00ND
2023-10-1629885092.00ND
2023-10-1629885113.00ND
2023-10-1629885134.00ND
2023-10-1629885155.00ND
2023-10-1629885176.00ND
2023-10-1629885197.00ND
2023-11-0630069950.00ND
2023-11-0630069971.00ND
2023-11-0630069992.00ND