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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

MS0240259 , St Patrick High School

6 samples have been analysed for Cyanide at St Patrick High School.

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

All 6 samples analysed for this analyte are listed below, newest first. No date range is applied.

6 Cyanide results from the 6 samples listed here: 1 detected, 5 not detected.

Cyanide results for St Patrick High School, from the 6 samples 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
Sep 29, 2025 10:05
Sampling point
TF101
Sample type
Routine
Lab sample
CN-250930-018
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 29, 2025 10:05, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
May 12, 2021 12:30
Sampling point
TF101
Sample type
Routine
Lab sample
CN-210513-059
Laboratory
MSDH Lab
0.017 mg/l , sample collected May 12, 2021 12:30, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
May 22, 2018 12:20
Sampling point
TF101
Sample type
Routine
Lab sample
180523-003CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 22, 2018 12:20, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
Aug 18, 2014 02:30
Sampling point
TF101
Sample type
Routine
Lab sample
140819-005CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Aug 18, 2014 02:30, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016
Collected
Nov 28, 2011 12:40
Sampling point
TF101
Sample type
Routine
Lab sample
111129-018CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Nov 28, 2011 12:40, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2011 – Dec 31, 2013
Collected
Nov 5, 2008
Sampling point
TF101
Sample type
Routine
Lab sample
081106-016CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Nov 5, 2008, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2008 – Dec 31, 2010

Routine (6).