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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

MS0730008 , North Haven Water Association

28 samples have been analysed for Cyanide at North Haven Water Association.

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 July 6, 2016 to December 3, 2025.

10 Cyanide results from the 10 samples listed here: 1 detected, 9 not detected.

Cyanide results for North Haven Water Association, 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
Dec 3, 2025 15:00
Sampling point
TF104
Sample type
Routine
Lab sample
CN-251204-012
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Dec 3, 2025 15:00, sampling point TF104 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Dec 3, 2025 15:00
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
CN-251204-011
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Dec 3, 2025 15:00, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Oct 5, 2022 15:10
Sampling point
TF104
Sample type
Routine
Lab sample
CN-221006-023
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Oct 5, 2022 15:10, sampling point TF104 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
Oct 5, 2022 15:40
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
CN-221006-024
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Oct 5, 2022 15:40, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
Oct 23, 2019 13:00
Sampling point
TF104
Sample type
Routine
Lab sample
191024-021CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Oct 23, 2019 13:00, sampling point TF104 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
Oct 23, 2019 13:45
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
191024-018CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Oct 23, 2019 13:45, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
Jul 10, 2019 14:00
Sampling point
TF105 Treatment Plant T101
Sample type
Routine
Lab sample
190711-008CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jul 10, 2019 14:00, sampling point TF105 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
Jul 6, 2016 12:05
Sampling point
TF105 Treatment Plant T101
Sample type
Routine
Lab sample
160707-005CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jul 6, 2016 12:05, sampling point TF105 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016
Collected
Jul 6, 2016 11:10
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
160707-002CN
Laboratory
MSDH Lab
0.193 mg/l , sample collected Jul 6, 2016 11:10, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016
Collected
Jul 6, 2016 10:50
Sampling point
TF104
Sample type
Routine
Lab sample
160707-001CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jul 6, 2016 10:50, sampling point TF104 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016

Routine (10).