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
MS0300113 , Ocean Beach
26 samples have been analysed for Cyanide at Ocean Beach.
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 26 samples, newest first — collected April 2, 2012 to August 25, 2025.
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 0.015 mg/l Minimum Reporting Level , sample collected Aug 25, 2025 13:30, sampling point TF103 | 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 Oct 17, 2023 10:00, 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 May 17, 2021 13:15, 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 Dec 10, 2020 11:50, sampling point TF104 | 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 Jun 13, 2018 12:50, 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 Sep 11, 2017 10:30, 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 Feb 23, 2015 12:10, sampling point TF103 | 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 23, 2015 11:45, sampling point TF102 | Cyanide 1024 EPA method QC10204001X | Not recorded |
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| Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Feb 23, 2015 12:22, 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 Apr 2, 2012 11:32, sampling point TF101 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2011 – Dec 31, 2013 |
-
- Collected
- Aug 25, 2025 13:30
- Sampling point
- TF103 Treatment Plant T103
- Sample type
- Routine
- Lab sample
- CN-250826-003
- 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
- Oct 17, 2023 10:00
- Sampling point
- TF104 Treatment Facility TF104
- Sample type
- Routine
- Lab sample
- CN-231018-007
- 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
- May 17, 2021 13:15
- Sampling point
- TF103 Treatment Plant T103
- Sample type
- Routine
- Lab sample
- CN-210518-028
- 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
- Dec 10, 2020 11:50
- Sampling point
- TF104 Treatment Facility TF104
- Sample type
- Routine
- Lab sample
- CN-201211-001
- 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
- Jun 13, 2018 12:50
- Sampling point
- TF103 Treatment Plant T103
- Sample type
- Routine
- Lab sample
- 180614-025CN
- 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 11, 2017 10:30
- Sampling point
- TF104 Treatment Facility TF104
- Sample type
- Routine
- Lab sample
- 170912-003CN
- 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
- Feb 23, 2015 12:10
- Sampling point
- TF103 Treatment Plant T103
- Sample type
- Routine
- Lab sample
- 150224-012CN
- 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 23, 2015 11:45
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- 150224-005CN
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.015 mg/l Minimum Reporting Level
-
- Collected
- Feb 23, 2015 12:22
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 150224-004CN
- 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
- Apr 2, 2012 11:32
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 120403-041CN
- 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).