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.
Mercury results
MS0280018 , Valley Park W/A
17 samples have been analysed for Mercury at Valley Park W/A.
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 Mercury result
The table below lists 1–10 of 17 samples, newest first — collected September 15, 2021 to September 8, 2025.
10 Mercury results from the 10 samples listed here: 0 detected, 10 not detected. Those samples also carried 90 results for other analytes, which are on the full results page.
| Result | Analyte | Monitoring period |
|---|---|---|
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| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 8, 2025 10:00, sampling point TF102 | Mercury 1035 EPA method 200.8 | Jan 1, 2025 – Dec 31, 2025 |
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| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 11, 2025 09:30, sampling point TF101 | Mercury 1035 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
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| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 27, 2023 19:00, sampling point TF102 | Mercury 1035 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2023 |
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| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 24, 2022 13:05, sampling point TF102 | Mercury 1035 EPA method 200.8 | Not recorded |
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| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 18, 2022 10:22, sampling point TF101 | Mercury 1035 EPA method 200.8 | Jan 1, 2020 – Dec 31, 2022 |
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| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 27, 2022 13:05, sampling point TF102 | Mercury 1035 EPA method 200.8 | Apr 1, 2022 – Jun 30, 2022 |
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| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 23, 2022 15:10, sampling point TF102 | Mercury 1035 EPA method 200.8 | Jan 1, 2022 – Mar 31, 2022 |
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| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 27, 2021 14:00, sampling point TF102 | Mercury 1035 EPA method 200.8 | Oct 1, 2021 – Dec 31, 2021 |
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| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 28, 2021 13:20, sampling point TF102 | Mercury 1035 EPA method 200.8 | Jul 1, 2021 – Sep 30, 2021 |
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| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 15, 2021 13:40, sampling point TF102 | Mercury 1035 EPA method 200.8 | Jul 1, 2021 – Sep 30, 2021 |
-
- Collected
- Sep 8, 2025 10:00
- Sampling point
- TF102 Treatment Facility TF102
- Sample type
- Routine
- Lab sample
- IN-250910-005
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2025 – Dec 31, 2025
-
Mercury 1035 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Feb 11, 2025 09:30
- Sampling point
- TF101 Treatment Plant T10
- Sample type
- Routine
- Lab sample
- IN-250212-050
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Mercury 1035 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Nov 27, 2023 19:00
- Sampling point
- TF102 Treatment Facility TF102
- Sample type
- Routine
- Lab sample
- IN-231129-001
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2023
-
Mercury 1035 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Aug 24, 2022 13:05
- Sampling point
- TF102 Treatment Facility TF102
- Sample type
- Routine
- Lab sample
- IN-220825-002
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
Mercury 1035 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- May 18, 2022 10:22
- Sampling point
- TF101 Treatment Plant T10
- Sample type
- Routine
- Lab sample
- IN-220519-007
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2020 – Dec 31, 2022
-
Mercury 1035 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Apr 27, 2022 13:05
- Sampling point
- TF102 Treatment Facility TF102
- Sample type
- Routine
- Lab sample
- IN-220428-039
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2022 – Jun 30, 2022
-
Mercury 1035 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Feb 23, 2022 15:10
- Sampling point
- TF102 Treatment Facility TF102
- Sample type
- Routine
- Lab sample
- IN-220224-013
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2022 – Mar 31, 2022
-
Mercury 1035 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Oct 27, 2021 14:00
- Sampling point
- TF102 Treatment Facility TF102
- Sample type
- Routine
- Lab sample
- IN-211029-002
- Laboratory
- MSDH Lab
- Monitoring period
- Oct 1, 2021 – Dec 31, 2021
-
Mercury 1035 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Sep 28, 2021 13:20
- Sampling point
- TF102 Treatment Facility TF102
- Sample type
- Routine
- Lab sample
- IN-210929-002
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2021 – Sep 30, 2021
-
Mercury 1035 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Sep 15, 2021 13:40
- Sampling point
- TF102 Treatment Facility TF102
- Sample type
- Routine
- Lab sample
- IN-210916-006
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2021 – Sep 30, 2021
-
Mercury 1035 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
Routine (10).