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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

MS0530018 , Chapel Hill-Pleasant Grove W/A

20 samples have been analysed for Cyanide at Chapel Hill-Pleasant Grove 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 August 19, 2013 to September 22, 2025.

10 Cyanide results from the 10 samples listed here: 0 detected, 10 not detected.

Cyanide results for Chapel Hill-Pleasant Grove 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
Sep 22, 2025 12:15
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
CN-250923-005
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 22, 2025 12:15, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Sep 22, 2025 13:05
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
CN-250923-004
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 22, 2025 13:05, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
May 17, 2022 14:20
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
CN-220518-035
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 17, 2022 14:20, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
May 17, 2022 14:04
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
CN-220518-034
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 17, 2022 14:04, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
May 6, 2019 15:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
190507-022CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 6, 2019 15:30, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
May 6, 2019 16:15
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
190507-021CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 6, 2019 16:15, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
Jun 15, 2015 02:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
150616-029CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jun 15, 2015 02:30, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016
Collected
Jun 15, 2015 03:20
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
150616-028CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jun 15, 2015 03:20, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016
Collected
Aug 19, 2013 12:35
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
130820-042CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Aug 19, 2013 12:35, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2011 – Dec 31, 2013
Collected
Aug 19, 2013 12:05
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
130820-041CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Aug 19, 2013 12:05, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2011 – Dec 31, 2013

Routine (10).