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
MS0190004 , Providence Water Association
11 samples have been analysed for Cyanide at Providence 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 11 samples, newest first — collected September 10, 2003 to June 10, 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 Jun 10, 2025 12:42, sampling point TF102 | 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 May 12, 2021 13:28, sampling point TF102 | 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 9, 2018 11:30, sampling point TF102 | 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 Jul 30, 2014 12:39, sampling point TF102 | 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 03:50, sampling point TF102 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2011 – Dec 31, 2013 |
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| Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Mar 31, 2008, sampling point TF102 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2008 – Dec 31, 2010 |
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| Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Feb 28, 2005, sampling point TF102 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2005 – Dec 31, 2007 |
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| Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Feb 4, 2004, sampling point TF102 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2002 – Dec 31, 2004 |
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| Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Feb 4, 2004, sampling point TF080 | Cyanide 1024 EPA method QC10204001X | Not recorded |
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| Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Sep 10, 2003, sampling point TF102 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2002 – Dec 31, 2004 |
-
- Collected
- Jun 10, 2025 12:42
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- CN-250611-024
- 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
- May 12, 2021 13:28
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- CN-210513-009
- 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 9, 2018 11:30
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- 180510-015CN
- 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
- Jul 30, 2014 12:39
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- 140731-002CN
- 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 03:50
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- 110913-032CN
- 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
- Mar 31, 2008
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- 080401-067CN
- 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
-
- Collected
- Feb 28, 2005
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- 050301-069CN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2005 – Dec 31, 2007
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.005 mg/l Minimum Reporting Level
-
- Collected
- Feb 4, 2004
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- 040205-011CN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2002 – Dec 31, 2004
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.01 mg/l Minimum Reporting Level
-
- Collected
- Feb 4, 2004
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- 040205-001CN
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.01 mg/l Minimum Reporting Level
-
- Collected
- Sep 10, 2003
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- 030911-060CN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2002 – Dec 31, 2004
-
Cyanide 1024 EPA method QC10204001X
- Result
- Not detected below 0.01 mg/l Minimum Reporting Level
Routine (10).