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
MS0220004 , Grenada-Bogue Basin/Holcomb
20 samples have been analysed for Cyanide at Grenada-Bogue Basin/Holcomb.
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 20 samples, newest first — collected September 12, 2011 to June 17, 2025.
10 Cyanide results from the 10 samples listed here: 2 detected, 8 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 Jun 17, 2025 14:10, sampling point TF103 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2023 – Dec 31, 2025 |
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| 0.0193 mg/l , sample collected Jun 17, 2025 14:30, sampling point TF101 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2023 – Dec 31, 2025 |
|
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| 0.026 mg/l , sample collected May 17, 2021 14:10, sampling point TF101 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2020 – Dec 31, 2022 |
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| Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 17, 2021 14:35, sampling point TF103 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2020 – Dec 31, 2022 |
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| Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 14, 2018 02:15, sampling point TF101 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2017 – Dec 31, 2019 |
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| Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 14, 2018 02:08, sampling point TF103 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2017 – Dec 31, 2019 |
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| Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Aug 6, 2014 02:05, sampling point TF101 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2014 – Dec 31, 2016 |
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| Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Aug 6, 2014 02:15, sampling point TF103 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2014 – Dec 31, 2016 |
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| Not detected below 15 ug/l Minimum Reporting Level , sample collected Sep 12, 2011 12:05, sampling point TF103 | 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 Sep 12, 2011 12:15, sampling point TF101 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2011 – Dec 31, 2013 |
-
- Collected
- Jun 17, 2025 14:10
- Sampling point
- TF103 Treatment Plant T103
- Sample type
- Routine
- Lab sample
- CN-250618-001
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.015 mg/l Minimum Reporting Level
-
- Collected
- Jun 17, 2025 14:30
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- CN-250618-002
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Cyanide 1024 EPA method QC10204001X
- Result
- 0.0193 mg/l
-
- Collected
- May 17, 2021 14:10
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- CN-210518-024
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2020 – Dec 31, 2022
-
Cyanide 1024 EPA method QC10204001X
- Result
- 0.026 mg/l
-
- Collected
- May 17, 2021 14:35
- Sampling point
- TF103 Treatment Plant T103
- Sample type
- Routine
- Lab sample
- CN-210518-023
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2020 – Dec 31, 2022
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.015 mg/l Minimum Reporting Level
-
- Collected
- May 14, 2018 02:15
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 180515-017CN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2017 – Dec 31, 2019
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.015 mg/l Minimum Reporting Level
-
- Collected
- May 14, 2018 02:08
- Sampling point
- TF103 Treatment Plant T103
- Sample type
- Routine
- Lab sample
- 180515-016CN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2017 – Dec 31, 2019
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.015 mg/l Minimum Reporting Level
-
- Collected
- Aug 6, 2014 02:05
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 140807-045CN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2014 – Dec 31, 2016
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.015 mg/l Minimum Reporting Level
-
- Collected
- Aug 6, 2014 02:15
- Sampling point
- TF103 Treatment Plant T103
- Sample type
- Routine
- Lab sample
- 140807-044CN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2014 – Dec 31, 2016
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.015 mg/l Minimum Reporting Level
-
- Collected
- Sep 12, 2011 12:05
- Sampling point
- TF103 Treatment Plant T103
- Sample type
- Routine
- Lab sample
- 110913-031CN
- 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
- Sep 12, 2011 12:15
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 110913-028CN
- 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
Routine (10).