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
MS0270024 , Humphreys Co-Tchula Lake #7
10 samples have been analysed for Selenium at Humphreys Co-Tchula Lake #7.
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
All 10 samples analysed for this analyte are listed below, newest first. No date range is applied.
10 Selenium results from the 10 samples listed here: 2 detected, 8 not detected. Those samples also carried 103 results for other analytes, which are on the full results page.
| Result | Analyte | Monitoring period |
|---|---|---|
|
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| Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Feb 10, 2025 08:30, sampling point TF101 | 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 May 16, 2022 12:05, sampling point TF101 | Selenium 1045 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 Oct 24, 2018 01:00, sampling point TF101 | Selenium 1045 EPA method 200.8 | Jan 1, 2017 – Dec 31, 2019 |
|
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| Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 2, 2016 12:15, sampling point TF101 | Selenium 1045 EPA method 200.8 | Jan 1, 2014 – Dec 31, 2016 |
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| Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Apr 2, 2012 12:45, sampling point TF101 | Selenium 1045 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 Apr 16, 2008, sampling point TF101 | Selenium 1045 EPA method 200.8 | Jan 1, 2008 – Dec 31, 2010 |
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| 0.008474 mg/l , sample collected Feb 27, 2006, sampling point TF101 | Selenium 1045 EPA method 200.8 | Jan 1, 2005 – Dec 31, 2007 |
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| 0.001319 mg/l , sample collected Mar 16, 2005, sampling point TF101 | Selenium 1045 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 Feb 9, 2004, sampling point TF101 | Selenium 1045 EPA method 200.8 | Jan 1, 2002 – Dec 31, 2004 |
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| Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 17, 2003, sampling point TF101 | Selenium 1045 EPA method 200.8 | Not recorded |
-
- Collected
- Feb 10, 2025 08:30
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- IN-250211-050
- 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
- May 16, 2022 12:05
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- IN-220517-044
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2020 – Dec 31, 2022
-
Selenium 1045 EPA method 200.8
- Result
- Not detected below 0.0025 mg/l Minimum Reporting Level
-
- Collected
- Oct 24, 2018 01:00
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 181025-029IN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2017 – Dec 31, 2019
-
Selenium 1045 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Mar 2, 2016 12:15
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 160303-012IN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2014 – Dec 31, 2016
-
Selenium 1045 EPA method 200.8
- Result
- Not detected below 0.0025 mg/l Minimum Reporting Level
-
- Collected
- Apr 2, 2012 12:45
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 120403-044IN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2011 – Dec 31, 2013
-
Selenium 1045 EPA method 200.8
- Result
- Not detected below 0.0025 mg/l Minimum Reporting Level
-
- Collected
- Apr 16, 2008
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 080417-036IN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2008 – Dec 31, 2010
-
Selenium 1045 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Feb 27, 2006
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 060228-105IN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2005 – Dec 31, 2007
-
Selenium 1045 EPA method 200.8
- Result
- 0.008474 mg/l
-
- Collected
- Mar 16, 2005
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 050317-033IN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2005 – Dec 31, 2007
-
Selenium 1045 EPA method 200.8
- Result
- 0.001319 mg/l
-
- Collected
- Feb 9, 2004
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 040210-052IN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2002 – Dec 31, 2004
-
Selenium 1045 EPA method 200.8
- Result
- Not detected below 0.001 mg/l Minimum Reporting Level
-
- Collected
- Sep 17, 2003
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 030918-026IN
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
Selenium 1045 EPA method 200.8
- Result
- Not detected below 0.001 mg/l Minimum Reporting Level
Routine (10).