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This is a rebuild of Drinking Water Watch and not yet the official record. Use the agency’s current Drinking Water Watch for anything you need to rely on.

Cis-1,2-Dichloroethylene results

MS0760076 , Black Bayou Water Assn.

230 samples have been analysed for Cis-1,2-Dichloroethylene at Black Bayou Water Assn..

This is one analyte out of the system’s whole record. For what has ever been detected here, and when, see all chemical and radiological results; for everything the system is tested for, see the analyte list.

What counts as a non-detect is defined in the help: Less than Indicator. This system’s violations.

No date range is applied: this list draws on every sample on record. Show the last two years only.

Every Cis-1,2-Dichloroethylene result

The table below lists 1–10 of 230 samples, newest first — collected October 3, 2023 to June 29, 2026.

10 Cis-1,2-Dichloroethylene results from the 10 samples listed here: 0 detected, 10 not detected. Those samples also carried 200 results for other analytes, which are on the full results page.

Cis-1,2-Dichloroethylene results for Black Bayou Water Assn., from 1 to 10 of 230 samples shown analysed for it, newest first. This view leaves out other analytes on the same samples. Not detected means the amount was below the level the laboratory can reliably report, which is given beside it.
Result Analyte Monitoring period
Collected
Jun 29, 2026
Sampling point
TF115 Treatment Plant T103
Sample type
Routine
Lab sample
35047519001
Laboratory
Pace Analytical Services, LLC
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2026, sampling point TF115 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2026 – Dec 31, 2026
Collected
Feb 2, 2026 14:45
Sampling point
TF115 Treatment Plant T103
Sample type
Routine
Lab sample
VO-260203-002
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 2, 2026 14:45, sampling point TF115 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2026 – Dec 31, 2026
Collected
Oct 7, 2025 14:25
Sampling point
TF115 Treatment Plant T103
Sample type
Routine
Lab sample
VO-251008-005
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 7, 2025 14:25, sampling point TF115 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Oct 1, 2025 – Dec 31, 2025
Collected
Jul 8, 2025 12:50
Sampling point
TF115 Treatment Plant T103
Sample type
Routine
Lab sample
VO-250709-002
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 8, 2025 12:50, sampling point TF115 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jul 1, 2025 – Sep 30, 2025
Collected
Mar 31, 2025 16:08
Sampling point
TF115 Treatment Plant T103
Sample type
Routine
Lab sample
VO-250401-002
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 31, 2025 16:08, sampling point TF115 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Collected
Mar 18, 2025 14:40
Sampling point
TF080 TF080 Lake Jackson
Sample type
Routine
Lab sample
VO-250319-003
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 18, 2025 14:40, sampling point TF080 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2025 – Dec 31, 2027
Collected
Jan 28, 2025 12:55
Sampling point
TF115 Treatment Plant T103
Sample type
Routine
Lab sample
VO-250129-007
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 28, 2025 12:55, sampling point TF115 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2025 – Mar 31, 2025
Collected
Jun 4, 2024 12:15
Sampling point
TF109 Treatment Plant T109
Sample type
Routine
Lab sample
VO-240605-001
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 4, 2024 12:15, sampling point TF109 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2024 – Dec 31, 2024
Collected
Mar 26, 2024 14:40
Sampling point
TF115 Treatment Plant T103
Sample type
Routine
Lab sample
VO-240327-001
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 26, 2024 14:40, sampling point TF115 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2024 – Dec 31, 2024
Collected
Oct 3, 2023 15:35
Sampling point
TF115 Treatment Plant T103
Sample type
Routine
Lab sample
VO-231004-007
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 3, 2023 15:35, sampling point TF115 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023

Routine (10).