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
MS0450007 , East Madison Water Assn-West
42 samples have been analysed for Cyanide at East Madison Water Assn-West.
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 42 samples, newest first — collected May 5, 2020 to September 9, 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 Sep 9, 2025 10:30, sampling point TF105 | 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 Sep 9, 2025 12:00, sampling point TF104 | 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 Sep 9, 2025 11:25, 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 22, 2024 08:35, sampling point TF106 | 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 Jul 11, 2023 10:40, sampling point TF107 | 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, 2022 12:30, 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 5, 2020 11:15, sampling point TF106 | 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 5, 2020 10:40, sampling point TF105 | 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 5, 2020 11:30, sampling point TF107 | 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 5, 2020 10:20, sampling point TF104 | Cyanide 1024 EPA method QC10204001X | Jan 1, 2020 – Dec 31, 2022 |
-
- Collected
- Sep 9, 2025 10:30
- Sampling point
- TF105 Treatment Plant T105
- Sample type
- Routine
- Lab sample
- CN-250909-032
- 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
- Sep 9, 2025 12:00
- Sampling point
- TF104 Treatment Plant T104
- Sample type
- Routine
- Lab sample
- CN-250909-031
- 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
- Sep 9, 2025 11:25
- Sampling point
- TF103 Treatment Plant T103
- Sample type
- Routine
- Lab sample
- CN-250909-030
- 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 22, 2024 08:35
- Sampling point
- TF106 Old 16 and Hogue
- Sample type
- Routine
- Lab sample
- CN-241022-019
- 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
- Jul 11, 2023 10:40
- Sampling point
- TF107 Treatment Facility TF107
- Sample type
- Routine
- Lab sample
- CN-230711-033
- 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, 2022 12:30
- Sampling point
- TF103 Treatment Plant T103
- Sample type
- Routine
- Lab sample
- CN-220517-047
- 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 5, 2020 11:15
- Sampling point
- TF106 Old 16 and Hogue
- Sample type
- Routine
- Lab sample
- 200506-032CN
- 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 5, 2020 10:40
- Sampling point
- TF105 Treatment Plant T105
- Sample type
- Routine
- Lab sample
- 200506-024CN
- 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 5, 2020 11:30
- Sampling point
- TF107 Treatment Facility TF107
- Sample type
- Routine
- Lab sample
- 200506-023CN
- 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 5, 2020 10:20
- Sampling point
- TF104 Treatment Plant T104
- Sample type
- Routine
- Lab sample
- 200506-022CN
- 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
Routine (10).