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.
Selenium results
MS0640022 , Okatoma Water Association #2
69 samples have been analysed for Selenium at Okatoma Water Association #2.
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 Selenium result
The table below lists 1–10 of 69 samples, newest first — collected July 10, 2023 to June 25, 2026.
10 Selenium results from the 10 samples listed here: 0 detected, 10 not detected. Those samples also carried 98 results for other analytes, which are on the full results page.
Units in this table
Selenium 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 Jun 25, 2026, sampling point TF082 | Selenium 1045 EPA method 200.8 | Not recorded |
|
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| Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Apr 7, 2025 11:51, sampling point TF108 | Selenium 1045 EPA method 200.8 | Jan 1, 2025 – Dec 31, 2025 |
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| Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Apr 7, 2025 11:50, sampling point TF107 | Selenium 1045 EPA method 200.8 | Jan 1, 2025 – Dec 31, 2025 |
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| Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 24, 2025 11:30, sampling point TF082 | Selenium 1045 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
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| Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 24, 2025 12:30, sampling point TF081 | Selenium 1045 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
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| Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 24, 2025 08:30, sampling point TF080 | Selenium 1045 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2025 |
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| Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Feb 12, 2024 12:32, sampling point TF108 | Selenium 1045 EPA method 200.8 | Jan 1, 2024 – Dec 31, 2024 |
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| Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Feb 12, 2024 12:30, sampling point TF107 | Selenium 1045 EPA method 200.8 | Jan 1, 2024 – Dec 31, 2024 |
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| Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Jul 10, 2023 14:35, sampling point TF108 | Selenium 1045 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2023 |
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| Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Jul 10, 2023 14:30, sampling point TF107 | Selenium 1045 EPA method 200.8 | Jan 1, 2023 – Dec 31, 2023 |
-
- Collected
- Jun 25, 2026
- Sampling point
- TF082 Treatment Plant T082
- Sample type
- Routine
- Lab sample
- 35047114001
- Laboratory
- Pace Analytical Services, LLC
- Monitoring period
- Not recorded
-
Selenium 1045 EPA method 200.8
- Result
- Not detected below 1 ug/l Minimum Reporting Level
-
- Collected
- Apr 7, 2025 11:51
- Sampling point
- TF108 Treatment Plant T108
- Sample type
- Routine
- Lab sample
- IN-250408-042
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2025 – Dec 31, 2025
-
Selenium 1045 EPA method 200.8
- Result
- Not detected below 0.0025 mg/l Minimum Reporting Level
-
- Collected
- Apr 7, 2025 11:50
- Sampling point
- TF107
- Sample type
- Routine
- Lab sample
- IN-250408-043
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2025 – Dec 31, 2025
-
Selenium 1045 EPA method 200.8
- Result
- Not detected below 0.0025 mg/l Minimum Reporting Level
-
- Collected
- Mar 24, 2025 11:30
- Sampling point
- TF082 Treatment Plant T082
- Sample type
- Routine
- Lab sample
- IN-250325-004
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Selenium 1045 EPA method 200.8
- Result
- Not detected below 0.0025 mg/l Minimum Reporting Level
-
- Collected
- Mar 24, 2025 12:30
- Sampling point
- TF081 Treatment Plant T081
- Sample type
- Routine
- Lab sample
- IN-250325-005
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Selenium 1045 EPA method 200.8
- Result
- Not detected below 0.0025 mg/l Minimum Reporting Level
-
- Collected
- Mar 24, 2025 08:30
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- IN-250325-006
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Selenium 1045 EPA method 200.8
- Result
- Not detected below 0.0025 mg/l Minimum Reporting Level
-
- Collected
- Feb 12, 2024 12:32
- Sampling point
- TF108 Treatment Plant T108
- Sample type
- Routine
- Lab sample
- IN-240213-030
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2024 – Dec 31, 2024
-
Selenium 1045 EPA method 200.8
- Result
- Not detected below 0.0025 mg/l Minimum Reporting Level
-
- Collected
- Feb 12, 2024 12:30
- Sampling point
- TF107
- Sample type
- Routine
- Lab sample
- IN-240213-029
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2024 – Dec 31, 2024
-
Selenium 1045 EPA method 200.8
- Result
- Not detected below 0.0025 mg/l Minimum Reporting Level
-
- Collected
- Jul 10, 2023 14:35
- Sampling point
- TF108 Treatment Plant T108
- Sample type
- Routine
- Lab sample
- IN-230711-008
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2023
-
Selenium 1045 EPA method 200.8
- Result
- Not detected below 0.0025 mg/l Minimum Reporting Level
-
- Collected
- Jul 10, 2023 14:30
- Sampling point
- TF107
- Sample type
- Routine
- Lab sample
- IN-230711-007
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2023
-
Selenium 1045 EPA method 200.8
- Result
- Not detected below 0.0025 mg/l Minimum Reporting Level
Routine (10).