cis-1,2-Dichloroethylene
Lafayette Utilities Water System
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.
82
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 2 | 0 | ND |
| 2015 | ND | 30 | 0 | ND |
| 2016 | ND | 12 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 20 | 0 | ND |
| 2019 | ND | 14 | 0 | ND |
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 |
|---|---|---|
| 2014-11-03 | AD99281 | ND |
| 2014-11-03 | AD99281 | ND |
| 2015-02-23 | 35176705001 | ND |
| 2015-02-23 | 35176705001 | ND |
| 2015-06-08 | 35192506001 | ND |
| 2015-06-08 | 35192506001 | ND |
| 2015-07-27 | 35199527004 | ND |
| 2015-07-27 | 35199527001 | ND |
| 2015-07-27 | 35199527002 | ND |
| 2015-07-27 | 35199527003 | ND |
| 2015-07-27 | 35199527004 | ND |
| 2015-07-27 | 35199527005 | ND |
| 2015-07-27 | 35199527003 | ND |
| 2015-07-27 | 35199527002 | ND |
| 2015-07-27 | 35199527001 | ND |
| 2015-07-27 | 35199527005 | ND |
| 2015-08-17 | 35203222004 | ND |
| 2015-08-17 | 35203222003 | ND |
| 2015-08-17 | 35203222002 | ND |
| 2015-08-17 | 35203222001 | ND |
| 2015-08-17 | 35203222005 | ND |
| 2015-08-17 | 35203222005 | ND |
| 2015-08-17 | 35203222004 | ND |
| 2015-08-17 | 35203222003 | ND |
| 2015-08-17 | 35203222002 | ND |
| 2015-08-17 | 35203222001 | ND |
| 2015-11-30 | 35218949005 | ND |
| 2015-11-30 | 35218949003 | ND |
| 2015-11-30 | 35218949003 | ND |
| 2015-11-30 | 35218949004 | ND |
| 2015-11-30 | 35218949005 | ND |
| 2015-11-30 | 35218949004 | ND |
| 2016-03-14 | 35234164005 | ND |
| 2016-03-14 | 35234164005 | ND |
| 2016-03-21 | 35235879005 | ND |
| 2016-03-21 | 35235879005 | ND |
| 2016-08-15 | 35260131003 | ND |
| 2016-08-15 | 35260131001 | ND |
| 2016-08-15 | 35260131002 | ND |
| 2016-08-15 | 35260131001 | ND |
| 2016-08-15 | 35260131002 | ND |
| 2016-08-15 | 35260131003 | ND |
| 2016-08-15 | 35260131004 | ND |
| 2016-08-15 | 35260131004 | ND |
| 2017-09-25 | 35338379001 | ND |
| 2017-09-25 | 35338379001 | ND |
| 2017-11-27 | 35350946001 | ND |
| 2017-11-27 | 35350946001 | ND |
| 2018-03-05 | 35378308003 | ND |
| 2018-03-05 | 35378308002 | ND |
| 2018-03-05 | 35378308004 | ND |
| 2018-03-05 | 35378308005 | ND |
| 2018-03-05 | 35378308004 | ND |
| 2018-03-05 | 35378308005 | ND |
| 2018-03-05 | 35378308001 | ND |
| 2018-03-05 | 35378308003 | ND |
| 2018-03-05 | 35378308002 | ND |
| 2018-03-05 | 35378308001 | ND |
| 2018-04-30 | 35389627001 | ND |
| 2018-04-30 | 35389627001 | ND |
| 2018-05-14 | 35392629001 | ND |
| 2018-05-14 | 35392629001 | ND |
| 2018-06-19 | 35399735001 | ND |
| 2018-06-19 | 35399735002 | ND |
| 2018-06-19 | 35399735003 | ND |
| 2018-06-19 | 35399735001 | ND |
| 2018-06-19 | 35399735002 | ND |
| 2018-06-19 | 35399735003 | ND |
| 2019-01-14 | 35442609002 | ND |
| 2019-01-14 | 35442609001 | ND |
| 2019-01-14 | 35442609001 | ND |
| 2019-01-14 | 35442609002 | ND |
| 2019-08-12 | 35490056001 | ND |
| 2019-08-12 | 35490056005 | ND |
| 2019-08-12 | 35490056004 | ND |
| 2019-08-12 | 35490056003 | ND |
| 2019-08-12 | 35490056002 | ND |
| 2019-08-12 | 35490056001 | ND |
| 2019-08-12 | 35490056005 | ND |
| 2019-08-12 | 35490056004 | ND |
| 2019-08-12 | 35490056003 | ND |
| 2019-08-12 | 35490056002 | ND |