cis-1,2-Dichloroethylene
City of Broussard Water System
NOTE: City of Broussard Water System purchases water from Lafayette Utilities Water System which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by 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.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 14 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 1 | 0 | ND |
| 2022 | ND | 6 | 0 | ND |
| 2023 | ND | 2 | 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
NOTE: City of Broussard Water System purchases water from Lafayette Utilities Water System which is required to test for cis-1,2-dichloroethylene. Sample information shown below was taken by Lafayette Utilities Water System.
| Date | Lab ID | Result |
|---|---|---|
| 2018-03-05 | 35378308005 | ND |
| 2018-03-05 | 35378308001 | ND |
| 2018-03-05 | 35378308005 | ND |
| 2018-03-05 | 35378308004 | ND |
| 2018-03-05 | 35378308003 | ND |
| 2018-03-05 | 35378308002 | ND |
| 2018-03-05 | 35378308001 | ND |
| 2018-03-05 | 35378308002 | ND |
| 2018-03-05 | 35378308003 | ND |
| 2018-03-05 | 35378308004 | 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 | 35399735001 | ND |
| 2018-06-19 | 35399735002 | ND |
| 2018-06-19 | 35399735003 | ND |
| 2018-06-19 | 35399735003 | ND |
| 2018-06-19 | 35399735002 | ND |
| 2019-01-14 | 35442609001 | ND |
| 2019-01-14 | 35442609002 | ND |
| 2019-01-14 | 35442609001 | ND |
| 2019-01-14 | 35442609002 | ND |
| 2019-08-12 | 35490056002 | 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 | 35490056001 | ND |
| 2019-08-12 | 35490056005 | ND |
| 2020-07-20 | 35564847001 | ND |
| 2020-07-20 | 35564847003 | ND |
| 2020-07-20 | 35564847002 | ND |
| 2021-02-08 | 35610872005 | ND |
| 2021-02-08 | 35610872004 | ND |
| 2021-02-08 | 35610872003 | ND |
| 2021-02-08 | 35610872002 | ND |
| 2021-02-08 | 35610872001 | ND |
| 2021-06-21 | 35642603004 | ND |
| 2021-06-21 | 35642603005 | ND |
| 2021-06-21 | 35642603003 | ND |
| 2021-06-21 | 35642603002 | ND |
| 2021-06-21 | 35642603001 | ND |
| 2022-05-23 | 35720206001 | ND |
| 2022-05-23 | 35720206002 | ND |
| 2022-05-23 | 35720206003 | ND |
| 2022-05-23 | 35720206004 | ND |
| 2022-05-23 | 35720206005 | ND |
| 2022-05-23 | 35720206006 | ND |
| 2023-05-22 | 35801891004 | ND |
| 2023-05-22 | 35801891005 | ND |
| 2023-05-22 | 35801891006 | ND |