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
MS0240214 , McGill Wellworks, Inc
17 samples have been analysed for Cyanide at McGill Wellworks, Inc.
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 17 samples, newest first — collected April 7, 2008 to April 29, 2025.
10 Cyanide results from the 10 samples listed here: 0 detected, 10 not detected.
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 0.015 mg/l Minimum Reporting Level , sample collected Apr 29, 2025 15:01, sampling point TF101 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2025 – Dec 31, 2025 |
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| Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Oct 21, 2024 13:50, sampling point TF102 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2022 – Dec 31, 2024 |
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| Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 30, 2024 14:15, sampling point TF101 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2024 – Dec 31, 2024 |
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| Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jul 19, 2023 13:30, sampling point TF101 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2023 – Dec 31, 2023 |
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| Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Apr 21, 2021 12:15, sampling point TF102 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2019 – Dec 31, 2021 |
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| Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 15, 2017 02:45, sampling point TF102 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2016 – Dec 31, 2018 |
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| Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Mar 3, 2014 01:15, sampling point TF102 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2013 – Dec 31, 2015 |
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| Not detected below 15 ug/l Minimum Reporting Level , sample collected Oct 3, 2011 01:15, sampling point TF101 | 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 Apr 25, 2011, sampling point TF102 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2010 – Dec 31, 2012 |
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| Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Apr 7, 2008, sampling point TF101 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2008 – Dec 31, 2010 |
-
- Collected
- Apr 29, 2025 15:01
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- CN-250430-003
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2025 – Dec 31, 2025
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.015 mg/l Minimum Reporting Level
-
- Collected
- Oct 21, 2024 13:50
- Sampling point
- TF102
- Sample type
- Routine
- Lab sample
- CN-241022-005
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2022 – Dec 31, 2024
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.015 mg/l Minimum Reporting Level
-
- Collected
- May 30, 2024 14:15
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- CN-240531-001
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2024 – Dec 31, 2024
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.015 mg/l Minimum Reporting Level
-
- Collected
- Jul 19, 2023 13:30
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- CN-230720-003
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2023
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.015 mg/l Minimum Reporting Level
-
- Collected
- Apr 21, 2021 12:15
- Sampling point
- TF102
- Sample type
- Routine
- Lab sample
- CN-210422-009
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2019 – Dec 31, 2021
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.015 mg/l Minimum Reporting Level
-
- Collected
- May 15, 2017 02:45
- Sampling point
- TF102
- Sample type
- Routine
- Lab sample
- 170516-015CN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2016 – Dec 31, 2018
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.015 mg/l Minimum Reporting Level
-
- Collected
- Mar 3, 2014 01:15
- Sampling point
- TF102
- Sample type
- Routine
- Lab sample
- 140304-011CN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2013 – Dec 31, 2015
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.015 mg/l Minimum Reporting Level
-
- Collected
- Oct 3, 2011 01:15
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 111004-009CN
- 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
- Apr 25, 2011
- Sampling point
- TF102
- Sample type
- Routine
- Lab sample
- 110426-006CN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2010 – Dec 31, 2012
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 15 ug/l Minimum Reporting Level
-
- Collected
- Apr 7, 2008
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 080408-076CN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2008 – Dec 31, 2010
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.005 mg/l Minimum Reporting Level
Routine (10).