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.
1,1-Dichloroethylene results
MS0430002 , City of Brookhaven
137 samples have been analysed for 1,1-Dichloroethylene at City of Brookhaven.
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 1,1-Dichloroethylene result
The table below lists 1–10 of 137 samples, newest first — collected June 8, 2021 to July 29, 2026.
10 1,1-Dichloroethylene results from the 10 samples listed here: 0 detected, 10 not detected. Those samples also carried 214 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 Jul 29, 2026, sampling point TF109 | 1,1-Dichloroethylene 2977 EPA method 524.2 | Jan 1, 2024 – Dec 31, 2026 |
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| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 16, 2026, sampling point TF115 | 1,1-Dichloroethylene 2977 EPA method 524.2 | Apr 1, 2026 – Jun 30, 2026 |
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| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 3, 2025 14:52, sampling point TF080 | 1,1-Dichloroethylene 2977 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 Apr 2, 2024 10:31, sampling point TF080 | 1,1-Dichloroethylene 2977 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 Mar 13, 2023 15:17, sampling point TF109 | 1,1-Dichloroethylene 2977 EPA method 524.2 | Jan 1, 2021 – Dec 31, 2023 |
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| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 15, 2023 16:00, sampling point TF080 | 1,1-Dichloroethylene 2977 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 29, 2022 11:04, sampling point TF108 | 1,1-Dichloroethylene 2977 EPA method 524.2 | Jan 1, 2017 – Dec 31, 2022 |
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| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 29, 2022 10:26, sampling point TF080 | 1,1-Dichloroethylene 2977 EPA method 524.2 | Jan 1, 2022 – Dec 31, 2022 |
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| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 14, 2022 15:12, sampling point TF080 | 1,1-Dichloroethylene 2977 EPA method 524.2 | Jan 1, 2022 – Dec 31, 2022 |
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| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 8, 2021 15:10, sampling point TF080 | 1,1-Dichloroethylene 2977 EPA method 524.2 | Jan 1, 2021 – Dec 31, 2021 |
-
- Collected
- Jul 29, 2026
- Sampling point
- TF109
- Sample type
- Routine
- Lab sample
- 35054514001
- Laboratory
- Pace Analytical Services, LLC
- Monitoring period
- Jan 1, 2024 – Dec 31, 2026
-
1,1-Dichloroethylene 2977 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Jun 16, 2026
- Sampling point
- TF115 Treatment Facility TF115
- Sample type
- Routine
- Lab sample
- 35044586001
- Laboratory
- Pace Analytical Services, LLC
- Monitoring period
- Apr 1, 2026 – Jun 30, 2026
-
1,1-Dichloroethylene 2977 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Mar 3, 2025 14:52
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- VO-250304-003
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2025 – Dec 31, 2025
-
1,1-Dichloroethylene 2977 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Apr 2, 2024 10:31
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- VO-240403-005
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2024 – Dec 31, 2024
-
1,1-Dichloroethylene 2977 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Mar 13, 2023 15:17
- Sampling point
- TF109
- Sample type
- Routine
- Lab sample
- VO-230314-009
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2021 – Dec 31, 2023
-
1,1-Dichloroethylene 2977 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Feb 15, 2023 16:00
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- VO-230216-006
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2023
-
1,1-Dichloroethylene 2977 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Nov 29, 2022 11:04
- Sampling point
- TF108 Treatment Plant T108
- Sample type
- Routine
- Lab sample
- VO-221130-021
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2017 – Dec 31, 2022
-
1,1-Dichloroethylene 2977 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Nov 29, 2022 10:26
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- VO-221130-020
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2022 – Dec 31, 2022
-
1,1-Dichloroethylene 2977 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Feb 14, 2022 15:12
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- VO-220215-011
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2022 – Dec 31, 2022
-
1,1-Dichloroethylene 2977 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Jun 8, 2021 15:10
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- VO-210609-007
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2021 – Dec 31, 2021
-
1,1-Dichloroethylene 2977 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
Routine (10).