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
MS0380009 , Toomsuba Water Association
41 samples have been analysed for Arsenic at Toomsuba 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 Arsenic result
The table below lists 1–10 of 41 samples, newest first — collected August 31, 2022 to July 8, 2026.
10 Arsenic results from the 10 samples listed here: 0 detected, 10 not detected. Those samples also carried 117 results for other analytes, which are on the full results page.
Units in this table
Arsenic is recorded on this page in ug/l and mg/l. 1 mg/l = 1,000 ug/l.
| Result | Analyte | Monitoring period |
|---|---|---|
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| Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 8, 2026, sampling point TF083 | Arsenic 1005 EPA method 200.8 | Jan 1, 2026 – Dec 31, 2031 |
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| Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 8, 2026, sampling point TF082 | Arsenic 1005 EPA method 200.8 | Jan 1, 2026 – Dec 31, 2031 |
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| Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 8, 2026, sampling point TF081 | Arsenic 1005 EPA method 200.8 | Jan 1, 2026 – Dec 31, 2031 |
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| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 9, 2025 12:00, sampling point TF083 | Arsenic 1005 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 26, 2025 13:30, sampling point TF082 | 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 Feb 26, 2025 13:45, sampling point TF081 | 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 Feb 7, 2024 13:00, sampling point TF083 | Arsenic 1005 EPA method 200.8 | Jan 1, 2024 – Dec 31, 2024 |
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| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 31, 2023 14:20, sampling point TF083 | Arsenic 1005 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 31, 2022 13:15, sampling point TF082 | 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 Aug 31, 2022 13:47, sampling point TF081 | Arsenic 1005 EPA method 200.8 | Jan 1, 2020 – Dec 31, 2022 |
-
- Collected
- Jul 8, 2026
- Sampling point
- TF083 Treatment Facility TF083
- Sample type
- Routine
- Lab sample
- 35050355004
- Laboratory
- Pace Analytical Services, LLC
- Monitoring period
- Jan 1, 2026 – Dec 31, 2031
-
Arsenic 1005 EPA method 200.8
- Result
- Not detected below 1 ug/l Minimum Reporting Level
-
- Collected
- Jul 8, 2026
- Sampling point
- TF082 Treatment Plant T082
- Sample type
- Routine
- Lab sample
- 35050355003
- Laboratory
- Pace Analytical Services, LLC
- Monitoring period
- Jan 1, 2026 – Dec 31, 2031
-
Arsenic 1005 EPA method 200.8
- Result
- Not detected below 1 ug/l Minimum Reporting Level
-
- Collected
- Jul 8, 2026
- Sampling point
- TF081 Treatment Plant T081
- Sample type
- Routine
- Lab sample
- 35050355002
- Laboratory
- Pace Analytical Services, LLC
- Monitoring period
- Jan 1, 2026 – Dec 31, 2031
-
Arsenic 1005 EPA method 200.8
- Result
- Not detected below 1 ug/l Minimum Reporting Level
-
- Collected
- Apr 9, 2025 12:00
- Sampling point
- TF083 Treatment Facility TF083
- Sample type
- Routine
- Lab sample
- IN-250410-045
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2025 – Dec 31, 2025
-
Arsenic 1005 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Feb 26, 2025 13:30
- Sampling point
- TF082 Treatment Plant T082
- Sample type
- Routine
- Lab sample
- IN-250227-007
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Arsenic 1005 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Feb 26, 2025 13:45
- Sampling point
- TF081 Treatment Plant T081
- Sample type
- Routine
- Lab sample
- IN-250227-006
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Arsenic 1005 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Feb 7, 2024 13:00
- Sampling point
- TF083 Treatment Facility TF083
- Sample type
- Routine
- Lab sample
- IN-240208-013
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2024 – Dec 31, 2024
-
Arsenic 1005 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Oct 31, 2023 14:20
- Sampling point
- TF083 Treatment Facility TF083
- Sample type
- Routine
- Lab sample
- IN-231101-002
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2023
-
Arsenic 1005 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Aug 31, 2022 13:15
- Sampling point
- TF082 Treatment Plant T082
- Sample type
- Routine
- Lab sample
- IN-220901-004
- 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
- Aug 31, 2022 13:47
- Sampling point
- TF081 Treatment Plant T081
- Sample type
- Routine
- Lab sample
- IN-220901-003
- 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
Routine (10).