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.
Benzene results
MS0610030 , Union Water Association
42 samples have been analysed for Benzene at Union Water Association.
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 Benzene result
The table below lists 1–10 of 42 samples, newest first — collected November 14, 2017 to December 16, 2025.
10 Benzene 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 Dec 16, 2025 13:45, sampling point TF103 | Benzene 2990 EPA method 524.2 | Jan 1, 2025 – Dec 31, 2027 |
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| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 13, 2024 09:00, sampling point TF102 | Benzene 2990 EPA method 524.2 | Jan 1, 2019 – Dec 31, 2024 |
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| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 19, 2022 10:30, sampling point TF101 | Benzene 2990 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 Sep 19, 2022 10:25, sampling point TF103 | Benzene 2990 EPA method 524.2 | Jan 1, 2022 – Dec 31, 2024 |
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| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 5, 2021 12:45, sampling point TF103 | Benzene 2990 EPA method 524.2 | Jan 1, 2021 – Dec 31, 2021 |
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| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 2, 2020 08:30, sampling point TF103 | Benzene 2990 EPA method 524.2 | Jan 1, 2020 – Dec 31, 2020 |
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| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2019 13:00, sampling point TF103 | Benzene 2990 EPA method 524.2 | Jan 1, 2019 – Dec 31, 2019 |
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| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 28, 2018 09:56, sampling point TF103 | Benzene 2990 EPA method 524.2 | Jan 1, 2018 – Dec 31, 2018 |
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| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2018 12:30, sampling point TF102 | Benzene 2990 EPA method 524.2 | Jan 1, 2013 – Dec 31, 2018 |
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| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 14, 2017 12:30, sampling point TF103 | Benzene 2990 EPA method 524.2 | Oct 1, 2017 – Dec 31, 2017 |
-
- Collected
- Dec 16, 2025 13:45
- Sampling point
- TF103 Treatment Facility TF103
- Sample type
- Routine
- Lab sample
- VO-251217-001
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2025 – Dec 31, 2027
-
Benzene 2990 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Mar 13, 2024 09:00
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- VO-240314-001
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2019 – Dec 31, 2024
-
Benzene 2990 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Sep 19, 2022 10:30
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- VO-220920-001
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2017 – Dec 31, 2022
-
Benzene 2990 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Sep 19, 2022 10:25
- Sampling point
- TF103 Treatment Facility TF103
- Sample type
- Routine
- Lab sample
- VO-220920-002
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2022 – Dec 31, 2024
-
Benzene 2990 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Oct 5, 2021 12:45
- Sampling point
- TF103 Treatment Facility TF103
- Sample type
- Routine
- Lab sample
- VO-211006-002
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2021 – Dec 31, 2021
-
Benzene 2990 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Dec 2, 2020 08:30
- Sampling point
- TF103 Treatment Facility TF103
- Sample type
- Routine
- Lab sample
- 201203-006VO
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2020 – Dec 31, 2020
-
Benzene 2990 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Jul 23, 2019 13:00
- Sampling point
- TF103 Treatment Facility TF103
- Sample type
- Routine
- Lab sample
- 190724-014VO
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2019 – Dec 31, 2019
-
Benzene 2990 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Dec 28, 2018 09:56
- Sampling point
- TF103 Treatment Facility TF103
- Sample type
- Routine
- Lab sample
- 181228-004VO
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2018 – Dec 31, 2018
-
Benzene 2990 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Sep 11, 2018 12:30
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- 180912-005VO
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2013 – Dec 31, 2018
-
Benzene 2990 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Nov 14, 2017 12:30
- Sampling point
- TF103 Treatment Facility TF103
- Sample type
- Routine
- Lab sample
- 171115-001VO
- Laboratory
- MSDH Lab
- Monitoring period
- Oct 1, 2017 – Dec 31, 2017
-
Benzene 2990 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
Routine (10).