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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

MS0040008 , Possumneck-Carmack W/A

20 samples have been analysed for Cyanide at Possumneck-Carmack W/A.

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 June 6, 2011 to May 5, 2025.

10 Cyanide results from the 10 samples listed here: 1 detected, 9 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.

Cyanide results for Possumneck-Carmack W/A, from 1 to 10 of 20 samples shown analysed for it, newest first. This view leaves out other analytes on the same samples. Not detected means the amount was below the level the laboratory can reliably report, which is given beside it.
Result Analyte Monitoring period
Collected
May 5, 2025 15:59
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
CN-250506-008
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 5, 2025 15:59, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
May 5, 2025 15:12
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
CN-250506-009
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 5, 2025 15:12, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Apr 9, 2020 14:30
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
CN-200410-005
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Apr 9, 2020 14:30, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
Apr 9, 2020 14:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
CN-200410-004
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Apr 9, 2020 14:00, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
Apr 16, 2018 01:00
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
180417-012CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Apr 16, 2018 01:00, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
Apr 16, 2018 12:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
180417-011CN
Laboratory
MSDH Lab
0.019 mg/l , sample collected Apr 16, 2018 12:30, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
Jun 23, 2014 01:00
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
140624-004CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jun 23, 2014 01:00, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016
Collected
Jun 23, 2014 12:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
140624-003CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jun 23, 2014 12:30, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016
Collected
Jun 6, 2011
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
110607-014CN
Laboratory
MSDH Lab
Not detected below 15 ug/l Minimum Reporting Level , sample collected Jun 6, 2011, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2011 – Dec 31, 2013
Collected
Jun 6, 2011
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
110607-013CN
Laboratory
MSDH Lab
Not detected below 15 ug/l Minimum Reporting Level , sample collected Jun 6, 2011, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2011 – Dec 31, 2013

Routine (10).