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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

MS0820030 , Central Yazoo #3 Mechanicsbrg

18 samples have been analysed for Cyanide at Central Yazoo #3 Mechanicsbrg.

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 18 samples, newest first — collected October 21, 2013 to December 8, 2025.

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

Cyanide results for Central Yazoo #3 Mechanicsbrg, from 1 to 10 of 18 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 8, 2025 09:01
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
CN-251208-005
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Dec 8, 2025 09:01, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Oct 7, 2024 10:30
Sampling point
TF102
Sample type
Routine
Lab sample
CN-241008-011
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Oct 7, 2024 10:30, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2022 – Dec 31, 2024
Collected
Oct 24, 2022 10:34
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
CN-221024-006
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Oct 24, 2022 10:34, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
Apr 7, 2021 11:20
Sampling point
TF102
Sample type
Routine
Lab sample
CN-210407-011
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Apr 7, 2021 11:20, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2019 – Dec 31, 2021
Collected
Oct 7, 2019 10:26
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
191008-013CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Oct 7, 2019 10:26, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
Jul 16, 2019 10:28
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
190717-017CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jul 16, 2019 10:28, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
Jun 12, 2017 11:48
Sampling point
TF102
Sample type
Routine
Lab sample
170612-003CN
Laboratory
MSDH Lab
0.018 mg/l , sample collected Jun 12, 2017 11:48, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2016 – Dec 31, 2018
Collected
Jul 18, 2016 03:20
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
160719-003CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jul 18, 2016 03:20, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016
Collected
Mar 17, 2014 02:55
Sampling point
TF102
Sample type
Routine
Lab sample
140318-022CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Mar 17, 2014 02:55, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2013 – Dec 31, 2015
Collected
Oct 21, 2013 01:43
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
131022-006CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Oct 21, 2013 01:43, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2011 – Dec 31, 2013

Routine (10).