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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

MS0500009 , Central W/A-Southwest

28 samples have been analysed for Cyanide at Central W/A-Southwest.

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 28 samples, newest first — collected May 22, 2017 to September 22, 2025.

10 Cyanide results from the 10 samples listed here: 3 detected, 7 not detected.

Cyanide results for Central W/A-Southwest, from 1 to 10 of 28 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 13:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
CN-250923-025
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 22, 2025 13:30, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Oct 16, 2024 14:02
Sampling point
TF108
Sample type
Routine
Lab sample
CN-241017-007
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Oct 16, 2024 14:02, sampling point TF108 Cyanide 1024 EPA method QC10204001X Jan 1, 2022 – Dec 31, 2024
Collected
Oct 16, 2024 13:30
Sampling point
TF107 Treatment Plant T107
Sample type
Routine
Lab sample
CN-241017-006
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Oct 16, 2024 13:30, sampling point TF107 Cyanide 1024 EPA method QC10204001X Jan 1, 2022 – Dec 31, 2024
Collected
May 17, 2022 13:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
CN-220518-006
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 17, 2022 13:30, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
Feb 24, 2021 13:45
Sampling point
TF108
Sample type
Routine
Lab sample
CN-210225-003
Laboratory
MSDH Lab
0.0233 mg/l , sample collected Feb 24, 2021 13:45, sampling point TF108 Cyanide 1024 EPA method QC10204001X Jan 1, 2019 – Dec 31, 2021
Collected
Feb 24, 2021 14:15
Sampling point
TF107 Treatment Plant T107
Sample type
Routine
Lab sample
CN-210225-004
Laboratory
MSDH Lab
0.122 mg/l , sample collected Feb 24, 2021 14:15, sampling point TF107 Cyanide 1024 EPA method QC10204001X Jan 1, 2019 – Dec 31, 2021
Collected
Oct 15, 2019 14:05
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
191016-012CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Oct 15, 2019 14:05, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
May 22, 2017 02:35
Sampling point
TF108
Sample type
Routine
Lab sample
170523-003CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 22, 2017 02:35, sampling point TF108 Cyanide 1024 EPA method QC10204001X Jan 1, 2016 – Dec 31, 2018
Collected
May 22, 2017 02:15
Sampling point
TF109 Treatment Facility TF109
Sample type
Routine
Lab sample
170523-002CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 22, 2017 02:15, sampling point TF109 Cyanide 1024 EPA method QC10204001X Jan 1, 2016 – Dec 31, 2018
Collected
May 22, 2017 02:50
Sampling point
TF107 Treatment Plant T107
Sample type
Routine
Lab sample
170523-001CN
Laboratory
MSDH Lab
0.078 mg/l , sample collected May 22, 2017 02:50, sampling point TF107 Cyanide 1024 EPA method QC10204001X Jan 1, 2016 – Dec 31, 2018

Routine (10).