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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

MS0620008 , Lake Water Works

29 samples have been analysed for Cyanide at Lake Water Works.

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 29 samples, newest first — collected February 29, 2016 to November 5, 2025.

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

Cyanide results for Lake Water Works, from 1 to 10 of 29 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
Nov 5, 2025 08:20
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
CN-251105-014
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Nov 5, 2025 08:20, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Nov 5, 2025 08:00
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
CN-251105-013
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Nov 5, 2025 08:00, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Nov 5, 2025 08:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
CN-251105-015
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Nov 5, 2025 08:30, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Aug 31, 2022 13:34
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
CN-220901-010
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Aug 31, 2022 13:34, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
Aug 31, 2022 12:50
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
CN-220901-008
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Aug 31, 2022 12:50, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
Jun 25, 2019 12:35
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
190626-025CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jun 25, 2019 12:35, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
Jun 25, 2019 12:18
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
190626-021CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jun 25, 2019 12:18, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
Jun 25, 2019 12:10
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
190626-019CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jun 25, 2019 12:10, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
Feb 29, 2016 01:45
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
160301-035CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Feb 29, 2016 01:45, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016
Collected
Feb 29, 2016 01:30
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
160301-034CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Feb 29, 2016 01:30, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016

Routine (10).