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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.

Trans-1,2-Dichloroethylene results

MS0610023 , City of Richland

59 samples have been analysed for Trans-1,2-Dichloroethylene at City of Richland.

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 Trans-1,2-Dichloroethylene result

The table below lists 1–10 of 59 samples, newest first — collected April 12, 2022 to July 22, 2026.

10 Trans-1,2-Dichloroethylene results from the 10 samples listed here: 0 detected, 10 not detected. Those samples also carried 201 results for other analytes, which are on the full results page.

Trans-1,2-Dichloroethylene results for City of Richland, from 1 to 10 of 59 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
Jul 22, 2026
Sampling point
TF107 Treatment Facility TF107
Sample type
Routine
Lab sample
35053021001
Laboratory
Pace Analytical Services, LLC
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 22, 2026, sampling point TF107 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2026 – Dec 31, 2028
Collected
Jun 24, 2026
Sampling point
TF105
Sample type
Routine
Lab sample
35046370001
Laboratory
Pace Analytical Services, LLC
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 24, 2026, sampling point TF105 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2021 – Dec 31, 2026
Collected
Mar 11, 2025 11:55
Sampling point
TF107 Treatment Facility TF107
Sample type
Routine
Lab sample
VO-250312-001
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 11, 2025 11:55, sampling point TF107 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Collected
Mar 26, 2024 14:00
Sampling point
TF107 Treatment Facility TF107
Sample type
Routine
Lab sample
VO-240327-008
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 26, 2024 14:00, sampling point TF107 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2024 – Dec 31, 2024
Collected
Feb 23, 2023 12:05
Sampling point
TF107 Treatment Facility TF107
Sample type
Routine
Lab sample
VO-230224-003
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 23, 2023 12:05, sampling point TF107 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Collected
Sep 15, 2022 14:15
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
VO-220916-019
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 15, 2022 14:15, sampling point TF103 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Collected
Sep 15, 2022 13:20
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
VO-220916-018
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 15, 2022 13:20, sampling point TF102 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Collected
Sep 15, 2022 13:30
Sampling point
TF106 Treatment Facility TF106
Sample type
Routine
Lab sample
VO-220916-020
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 15, 2022 13:30, sampling point TF106 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2022 – Dec 31, 2027
Collected
May 18, 2022 14:50
Sampling point
TF106 Treatment Facility TF106
Sample type
Routine
Lab sample
VO-220519-001
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 18, 2022 14:50, sampling point TF106 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2022 – Dec 31, 2027
Collected
Apr 12, 2022 13:00
Sampling point
TF107 Treatment Facility TF107
Sample type
Routine
Lab sample
VO-220413-004
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 12, 2022 13:00, sampling point TF107 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022

Routine (10).