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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

MS0640019 , Howard Industries

20 samples have been analysed for Cyanide at Howard Industries.

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 November 18, 2025.

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

Cyanide results for Howard Industries, 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
Nov 18, 2025 08:35
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
CN-251118-040
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Nov 18, 2025 08:35, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Nov 18, 2025 08:05
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
CN-251118-039
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Nov 18, 2025 08:05, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Sep 28, 2022 16:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
CN-220929-014
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 28, 2022 16:30, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
Sep 28, 2022 16:10
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
CN-220929-013
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 28, 2022 16:10, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
Jun 24, 2019 03:05
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
190625-051CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jun 24, 2019 03:05, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
Jun 24, 2019 03:25
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
190625-050CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jun 24, 2019 03:25, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
Mar 8, 2016 04:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
160309-003CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Mar 8, 2016 04:00, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016
Collected
Mar 8, 2016 03:40
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
160309-001CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Mar 8, 2016 03:40, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016
Collected
Aug 19, 2013 09:40
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
130820-010CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Aug 19, 2013 09:40, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2011 – Dec 31, 2013
Collected
Aug 19, 2013 09:35
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
130820-009CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Aug 19, 2013 09:35, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2011 – Dec 31, 2013

Routine (10).