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.
Arsenic results
MS0820010 , Midway W/A #1
10 samples have been analysed for Arsenic at Midway W/A #1.
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 Arsenic result
All 10 samples analysed for this analyte are listed below, newest first. No date range is applied.
10 Arsenic results from the 10 samples listed here: 2 detected, 8 not detected. Those samples also carried 101 results for other analytes, which are on the full results page.
| Result | Analyte | Monitoring period |
|---|---|---|
|
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| 0.0005 mg/l , sample collected Dec 9, 2025 17:45, sampling point TF101 | Arsenic 1005 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
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| 0.0006 mg/l , sample collected Dec 9, 2025 05:30, sampling point TF101 | Arsenic 1005 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 Dec 5, 2022 11:00, sampling point TF101 | Arsenic 1005 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 May 13, 2019 17:30, sampling point TF101 | Arsenic 1005 EPA method 200.8 | Jan 1, 2017 – Dec 31, 2019 |
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| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 13, 2016 01:00, sampling point TF101 | Arsenic 1005 EPA method 200.8 | Jan 1, 2014 – Dec 31, 2016 |
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| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 16, 2013 12:05, sampling point TF101 | Arsenic 1005 EPA method 200.8 | Jan 1, 2011 – Dec 31, 2013 |
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| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 10, 2010, sampling point TF101 | Arsenic 1005 EPA method 200.8 | Jan 1, 2008 – Dec 31, 2010 |
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| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 19, 2006, sampling point TF101 | Arsenic 1005 EPA method 200.8 | Jan 1, 2005 – Dec 31, 2007 |
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| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2005, sampling point TF101 | Arsenic 1005 EPA method 200.8 | Jan 1, 2005 – Dec 31, 2007 |
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| Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 15, 2004, sampling point TF101 | Arsenic 1005 EPA method 200.8 | Jan 1, 2002 – Dec 31, 2004 |
-
- Collected
- Dec 9, 2025 17:45
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- IN-251210-007
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Arsenic 1005 EPA method 200.8
- Result
- 0.0005 mg/l
-
- Collected
- Dec 9, 2025 05:30
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- IN-251210-008
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Arsenic 1005 EPA method 200.8
- Result
- 0.0006 mg/l
-
- Collected
- Dec 5, 2022 11:00
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- IN-221206-041
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2020 – Dec 31, 2022
-
Arsenic 1005 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- May 13, 2019 17:30
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 190515-005IN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2017 – Dec 31, 2019
-
Arsenic 1005 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Dec 13, 2016 01:00
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 161214-007IN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2014 – Dec 31, 2016
-
Arsenic 1005 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Dec 16, 2013 12:05
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 131217-001IN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2011 – Dec 31, 2013
-
Arsenic 1005 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- May 10, 2010
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 100511-008IN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2008 – Dec 31, 2010
-
Arsenic 1005 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Apr 19, 2006
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 060420-021IN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2005 – Dec 31, 2007
-
Arsenic 1005 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- May 2, 2005
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 050503-061IN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2005 – Dec 31, 2007
-
Arsenic 1005 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Nov 15, 2004
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 041116-051IN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2002 – Dec 31, 2004
-
Arsenic 1005 EPA method 200.8
- Result
- Not detected below 0.001 mg/l Minimum Reporting Level
Routine (10).