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
MS0250001 , Town of Bolton
16 samples have been analysed for Cyanide at Town of Bolton.
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 16 samples, newest first — collected March 20, 2012 to June 24, 2026.
10 Cyanide results from the 10 samples listed here: 0 detected, 10 not detected.
| Result | Analyte | Monitoring period |
|---|---|---|
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| Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Jun 24, 2026, sampling point TF102 | 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 Jun 24, 2025 08:49, sampling point TF101 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2023 – Dec 31, 2025 |
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| Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Nov 1, 2023 17:30, sampling point TF102 | 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 Apr 29, 2020 06:39, 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 Apr 29, 2020 06:30, sampling point TF102 | 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 May 23, 2018 03:10, 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 Sep 13, 2017 15:40, sampling point TF102 | 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 Aug 20, 2014 04:30, 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 Feb 26, 2014 04:00, sampling point TF102 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2012 – Dec 31, 2014 |
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| Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Mar 20, 2012 02:00, sampling point TF101 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2011 – Dec 31, 2013 |
-
- Collected
- Jun 24, 2026
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- 35046401002
- 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
- Jun 24, 2025 08:49
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- CN-250624-029
- 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
- Nov 1, 2023 17:30
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- CN-231102-003
- 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
- Apr 29, 2020 06:39
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 200430-016CN
- 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
- Apr 29, 2020 06:30
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- 200430-015CN
- 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
- May 23, 2018 03:10
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 180525-002CN
- 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
- Sep 13, 2017 15:40
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- 170915-001CN
- 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
- Aug 20, 2014 04:30
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 140821-014CN
- 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
- Feb 26, 2014 04:00
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- 140227-031CN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2012 – Dec 31, 2014
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.015 mg/l Minimum Reporting Level
-
- Collected
- Mar 20, 2012 02:00
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 120322-016CN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2011 – Dec 31, 2013
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.015 mg/l Minimum Reporting Level
Routine (10).