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.
Cyanide results
MS0490008 , South Winona Water Association
14 samples have been analysed for Cyanide at South Winona 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 Cyanide result
The table below lists 1–10 of 14 samples, newest first — collected January 19, 2010 to July 13, 2026.
10 Cyanide results from the 10 samples listed here: 0 detected, 10 not detected. Those samples also carried 21 results for other analytes, which are on the full results page.
Units in this table
Cyanide 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 0.01 mg/l Minimum Reporting Level , sample collected Jul 13, 2026, sampling point TF104 | Cyanide 1024 EPA method 335.4 | Jan 1, 2026 – Dec 31, 2031 |
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| Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Jul 13, 2026, sampling point TF103 | Cyanide 1024 EPA method 335.4 | Jan 1, 2026 – Dec 31, 2031 |
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| Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jul 10, 2023 12:15, sampling point TF104 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2021 – Dec 31, 2023 |
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| Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jul 10, 2023 12:15, sampling point TF103 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2021 – Dec 31, 2023 |
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| Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Dec 7, 2020 13:15, sampling point TF103 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2018 – Dec 31, 2020 |
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| Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 19, 2017 13:35, sampling point TF104 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2015 – Dec 31, 2017 |
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| Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 19, 2017 13:15, sampling point TF103 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2015 – Dec 31, 2017 |
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| Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jun 8, 2015, sampling point TF080 | Cyanide 1024 EPA method QC10204001X | Not recorded |
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| Not detected below 15 ug/l Minimum Reporting Level , sample collected Sep 26, 2012 02:00, sampling point TF080 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2011 – Dec 31, 2013 |
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| Not detected below 15 ug/l Minimum Reporting Level , sample collected Jan 19, 2010, sampling point TF080 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2008 – Dec 31, 2010 |
-
- Collected
- Jul 13, 2026
- Sampling point
- TF104 Treatment Facility TF104
- Sample type
- Routine
- Lab sample
- 35052067002
- Laboratory
- Pace Analytical Services, LLC
- Monitoring period
- Jan 1, 2026 – Dec 31, 2031
-
Cyanide 1024 EPA method 335.4
- Result
- Not detected below 0.01 mg/l Minimum Reporting Level
-
- Collected
- Jul 13, 2026
- Sampling point
- TF103 Treatment Facility TF103
- Sample type
- Routine
- Lab sample
- 35052067001
- Laboratory
- Pace Analytical Services, LLC
- Monitoring period
- Jan 1, 2026 – Dec 31, 2031
-
Cyanide 1024 EPA method 335.4
- Result
- Not detected below 0.01 mg/l Minimum Reporting Level
-
- Collected
- Jul 10, 2023 12:15
- Sampling point
- TF104 Treatment Facility TF104
- Sample type
- Routine
- Lab sample
- CN-230711-006
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2021 – Dec 31, 2023
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.015 mg/l Minimum Reporting Level
-
- Collected
- Jul 10, 2023 12:15
- Sampling point
- TF103 Treatment Facility TF103
- Sample type
- Routine
- Lab sample
- CN-230711-005
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2021 – Dec 31, 2023
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.015 mg/l Minimum Reporting Level
-
- Collected
- Dec 7, 2020 13:15
- Sampling point
- TF103 Treatment Facility TF103
- Sample type
- Routine
- Lab sample
- CN-201208-016
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2018 – Dec 31, 2020
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.015 mg/l Minimum Reporting Level
-
- Collected
- Sep 19, 2017 13:35
- Sampling point
- TF104 Treatment Facility TF104
- Sample type
- Routine
- Lab sample
- 170920-010CN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2015 – Dec 31, 2017
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.015 mg/l Minimum Reporting Level
-
- Collected
- Sep 19, 2017 13:15
- Sampling point
- TF103 Treatment Facility TF103
- Sample type
- Routine
- Lab sample
- 170920-008CN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2015 – Dec 31, 2017
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.015 mg/l Minimum Reporting Level
-
- Collected
- Jun 8, 2015
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- 150609-042CN
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.015 mg/l Minimum Reporting Level
-
- Collected
- Sep 26, 2012 02:00
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- 120927-012CN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2011 – Dec 31, 2013
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 15 ug/l Minimum Reporting Level
-
- Collected
- Jan 19, 2010
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- 100120-011CN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2008 – Dec 31, 2010
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 15 ug/l Minimum Reporting Level
Routine (10).