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.
Tetrachloroethylene results
MS0620019 , Raytheon Company
35 samples have been analysed for Tetrachloroethylene at Raytheon Company.
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 Tetrachloroethylene result
The table below lists 1–10 of 35 samples, newest first — collected November 30, 2022 to June 16, 2026.
10 Tetrachloroethylene 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.
| Result | Analyte | Monitoring period |
|---|---|---|
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| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 16, 2026, sampling point TF104 | Tetrachloroethylene 2987 EPA method 524.2 | Not recorded |
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| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 3, 2026 06:30, sampling point TF104 | Tetrachloroethylene 2987 EPA method 524.2 | Jan 1, 2026 – Mar 31, 2026 |
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| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 7, 2025 07:00, sampling point TF104 | Tetrachloroethylene 2987 EPA method 524.2 | Oct 1, 2025 – Dec 31, 2025 |
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| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 7, 2025 06:00, sampling point TF104 | Tetrachloroethylene 2987 EPA method 524.2 | Jul 1, 2025 – Sep 30, 2025 |
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| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 24, 2025 06:20, sampling point TF104 | Tetrachloroethylene 2987 EPA method 524.2 | Apr 1, 2025 – Jun 30, 2025 |
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| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 18, 2025 06:00, sampling point TF101 | Tetrachloroethylene 2987 EPA method 524.2 | Jan 1, 2025 – Dec 31, 2025 |
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| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 28, 2025 06:00, sampling point TF104 | Tetrachloroethylene 2987 EPA method 524.2 | Jan 1, 2025 – Mar 31, 2025 |
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| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 1, 2024 06:00, sampling point TF101 | Tetrachloroethylene 2987 EPA method 524.2 | Jan 1, 2024 – Dec 31, 2024 |
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| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 5, 2023 06:00, sampling point TF101 | Tetrachloroethylene 2987 EPA method 524.2 | Jan 1, 2023 – Dec 31, 2023 |
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| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 30, 2022 06:15, sampling point TF101 | Tetrachloroethylene 2987 EPA method 524.2 | Jan 1, 2022 – Dec 31, 2022 |
-
- Collected
- Jun 16, 2026
- Sampling point
- TF104 Treatment Facility TF104
- Sample type
- Routine
- Lab sample
- 35044637001
- Laboratory
- Pace Analytical Services, LLC
- Monitoring period
- Not recorded
-
Tetrachloroethylene 2987 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Feb 3, 2026 06:30
- Sampling point
- TF104 Treatment Facility TF104
- Sample type
- Routine
- Lab sample
- VO-260204-001
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2026 – Mar 31, 2026
-
Tetrachloroethylene 2987 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Oct 7, 2025 07:00
- Sampling point
- TF104 Treatment Facility TF104
- Sample type
- Routine
- Lab sample
- VO-251008-001
- Laboratory
- MSDH Lab
- Monitoring period
- Oct 1, 2025 – Dec 31, 2025
-
Tetrachloroethylene 2987 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Jul 7, 2025 06:00
- Sampling point
- TF104 Treatment Facility TF104
- Sample type
- Routine
- Lab sample
- VO-250708-001
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2025 – Sep 30, 2025
-
Tetrachloroethylene 2987 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Mar 24, 2025 06:20
- Sampling point
- TF104 Treatment Facility TF104
- Sample type
- Routine
- Lab sample
- VO-250325-002
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2025 – Jun 30, 2025
-
Tetrachloroethylene 2987 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Mar 18, 2025 06:00
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- VO-250319-001
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2025 – Dec 31, 2025
-
Tetrachloroethylene 2987 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Jan 28, 2025 06:00
- Sampling point
- TF104 Treatment Facility TF104
- Sample type
- Routine
- Lab sample
- VO-250129-005
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2025 – Mar 31, 2025
-
Tetrachloroethylene 2987 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Apr 1, 2024 06:00
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- VO-240402-001
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2024 – Dec 31, 2024
-
Tetrachloroethylene 2987 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Apr 5, 2023 06:00
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- VO-230406-001
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2023
-
Tetrachloroethylene 2987 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Nov 30, 2022 06:15
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- VO-221201-006
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2022 – Dec 31, 2022
-
Tetrachloroethylene 2987 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
Routine (10).