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.
168
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 | 28 | 0 | ND |
2015 | ND | 28 | 0 | ND |
2016 | ND | 28 | 0 | ND |
2017 | ND | 28 | 0 | ND |
2018 | ND | 28 | 0 | ND |
2019 | ND | 28 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
---|---|---|
2014-01-20 | 20140238 | ND |
2014-01-20 | 20140239 | ND |
2014-01-20 | 20140240 | ND |
2014-01-20 | 20140241 | ND |
2014-01-20 | 20140242 | ND |
2014-03-17 | 20140955 | ND |
2014-03-17 | 20140956 | ND |
2014-04-21 | 20141346 | ND |
2014-04-21 | 20141347 | ND |
2014-04-21 | 20141348 | ND |
2014-04-21 | 20141349 | ND |
2014-04-21 | 20141350 | ND |
2014-04-21 | 20141351 | ND |
2014-04-21 | 20141352 | ND |
2014-07-07 | 14070813-001 | ND |
2014-07-07 | 14070813-002 | ND |
2014-07-07 | 14070813-003 | ND |
2014-07-07 | 14070813-004 | ND |
2014-08-13 | 20142789 | ND |
2014-08-13 | 20142790 | ND |
2014-08-13 | 20142791 | ND |
2014-11-17 | 14111750-01 | ND |
2014-11-17 | 14111750-02 | ND |
2014-11-17 | 14111750-03 | ND |
2014-11-17 | 14111750-04 | ND |
2014-11-17 | 14111750-05 | ND |
2014-11-17 | 14111750-06 | ND |
2014-12-01 | 14120200-01 | ND |
2015-01-19 | 12285455 | ND |
2015-01-19 | 12285476 | ND |
2015-01-19 | 12285497 | ND |
2015-01-19 | 12285518 | ND |
2015-01-19 | 12285539 | ND |
2015-01-19 | 12285560 | ND |
2015-01-19 | 12285581 | ND |
2015-04-20 | 12631593 | ND |
2015-04-20 | 12631614 | ND |
2015-04-20 | 12631635 | ND |
2015-04-20 | 12631656 | ND |
2015-04-20 | 12631677 | ND |
2015-04-20 | 12631698 | ND |
2015-04-20 | 12631719 | ND |
2015-07-06 | 13011206 | ND |
2015-07-06 | 13011232 | ND |
2015-07-06 | 13011258 | ND |
2015-07-06 | 13011284 | ND |
2015-07-06 | 13011310 | ND |
2015-07-06 | 13011336 | ND |
2015-07-20 | 13011550 | ND |
2015-10-19 | 13387778 | ND |
2015-10-19 | 13387799 | ND |
2015-10-19 | 13387820 | ND |
2015-10-19 | 13387841 | ND |
2015-10-19 | 13387862 | ND |
2015-10-19 | 13387883 | ND |
2015-10-19 | 13387904 | ND |
2016-01-18 | 13751349 | ND |
2016-01-18 | 13751370 | ND |
2016-01-18 | 13751391 | ND |
2016-01-18 | 13751412 | ND |
2016-01-18 | 13751433 | ND |
2016-01-18 | 13751454 | ND |
2016-02-16 | 13869078 | ND |
2016-04-18 | 14101343 | ND |
2016-04-18 | 14101364 | ND |
2016-04-18 | 14101385 | ND |
2016-04-18 | 14101406 | ND |
2016-04-18 | 14101427 | ND |
2016-04-18 | 14101448 | ND |
2016-04-18 | 14101469 | ND |
2016-07-18 | 14568365 | ND |
2016-07-18 | 14568386 | ND |
2016-07-18 | 14568407 | ND |
2016-07-18 | 14568428 | ND |
2016-07-18 | 14568449 | ND |
2016-07-18 | 14568470 | ND |
2016-07-18 | 14568491 | ND |
2016-10-17 | 15074113 | ND |
2016-10-17 | 15074134 | ND |
2016-10-17 | 15074155 | ND |
2016-10-17 | 15074176 | ND |
2016-10-17 | 15074197 | ND |
2016-10-17 | 15074218 | ND |
2016-10-17 | 15074239 | ND |
2017-02-27 | 15653928 | ND |
2017-02-27 | 15653949 | ND |
2017-02-27 | 15653970 | ND |
2017-02-27 | 15653991 | ND |
2017-02-27 | 15654012 | ND |
2017-03-07 | 15793995 | ND |
2017-03-07 | 15794016 | ND |
2017-04-17 | 15935328 | ND |
2017-04-17 | 15935349 | ND |
2017-04-17 | 15935370 | ND |
2017-04-17 | 15935391 | ND |
2017-04-17 | 15935412 | ND |
2017-04-17 | 15935433 | ND |
2017-04-17 | 15935454 | ND |
2017-07-17 | 16411668 | ND |
2017-07-17 | 16411689 | ND |
2017-07-17 | 16411710 | ND |
2017-07-17 | 16411731 | ND |
2017-07-17 | 16411752 | ND |
2017-07-17 | 16411773 | ND |
2017-07-17 | 16411794 | ND |
2017-10-16 | 16878519 | ND |
2017-10-16 | 16878540 | ND |
2017-10-16 | 16878561 | ND |
2017-10-16 | 16878582 | ND |
2017-10-16 | 16878603 | ND |
2017-10-16 | 16878624 | ND |
2017-10-16 | 16878645 | ND |
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 |