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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.

Chemical and radiological sample results

MS0580006 , City of Pontotoc

28 of the 57 analytes this system has been tested for have been detected at least once, across 554 samples on record.

The other 29 were tested for and never found. An analyte is counted here if any result on record measured it, so this covers the whole history and not the samples listed below.

Across all 554 samples on record, detections range from November 3, 2003 to August 7, 2025. These figures cover the whole record.

What counts as a non-detect is defined in the help: Less than Indicator. This system’s violations.

What has been detected, ever

Every analyte measured above its reporting level at any point in this system’s record, most often detected first. This is not limited to the samples listed below.

Every analyte ever detected for City of Pontotoc, with how many results found it and when it was first and last detected. Covers the whole record, not only the samples listed below.
Analyte Kind Detected in First detected Last detected
Copper, Free 1022 Inorganic Chemical 158 of 158 results Jun 17, 2004 Aug 7, 2025
Lead 1030 Inorganic Chemical 108 of 158 results Jun 17, 2004 Aug 7, 2025
Barium 1010 Inorganic Chemical 60 of 60 results Nov 3, 2003 Mar 18, 2025
Nickel 1036 Inorganic Chemical 46 of 60 results Mar 15, 2004 Mar 18, 2025
Selenium 1045 Inorganic Chemical 34 of 60 results Nov 3, 2003 Oct 10, 2022
Fluoride 1025 Inorganic Chemical 33 of 60 results Nov 3, 2003 Mar 18, 2025
Chromium 1020 Inorganic Chemical 33 of 60 results Nov 3, 2003 Oct 10, 2022
Arsenic 1005 Inorganic Chemical 31 of 60 results Mar 15, 2004 Mar 18, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 25 of 30 results Mar 12, 2012 Oct 9, 2012
Sodium 1052 Inorganic Chemical 18 of 18 results Sep 23, 2019 Mar 4, 2025
TTHM 2950 Organic Chemical 15 of 20 results Sep 4, 2007 Nov 12, 2024
Combined Radium (-226 & -228) 4010 Radionuclide 10 of 30 results Mar 12, 2012 Oct 9, 2012
Radium-226 4020 Radionuclide 10 of 30 results Mar 12, 2012 Oct 9, 2012
Bromoform 2942 Organic Chemical 9 of 15 results Sep 29, 2020 Nov 12, 2024
Sulfate 1055 Inorganic Chemical 9 of 12 results Nov 3, 2003 Mar 15, 2004
Dibromochloromethane 2944 Organic Chemical 7 of 15 results Sep 29, 2020 Nov 12, 2024
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 6 of 19 results Sep 4, 2007 Nov 12, 2024
Cadmium 1015 Inorganic Chemical 6 of 60 results Apr 11, 2005 Apr 11, 2005
Bromodichloromethane 2943 Organic Chemical 4 of 15 results Sep 29, 2020 Nov 12, 2024
Cyanide 1024 Inorganic Chemical 3 of 60 results Feb 22, 2010 Oct 18, 2010
Dibromoacetic Acid 2454 Organic Chemical 2 of 13 results Sep 29, 2020 Nov 12, 2024
Nitrite 1041 Inorganic Chemical 2 of 132 results Mar 21, 2012 May 9, 2016
Thallium, Total 1085 Inorganic Chemical 2 of 60 results Mar 15, 2004 Jan 25, 2010
Chloroform 2941 Organic Chemical 1 of 15 results Nov 12, 2024 Nov 12, 2024
Antimony, Total 1074 Inorganic Chemical 1 of 60 results Dec 12, 2016 Dec 12, 2016
Monobromoacetic Acid 2453 Organic Chemical 1 of 13 results Aug 26, 2013 Aug 26, 2013
Nitrate-Nitrite 1038 Inorganic Chemical 1 of 132 results Mar 21, 2012 Mar 21, 2012
Nitrate 1040 Inorganic Chemical 1 of 132 results Mar 21, 2012 Mar 21, 2012

No date range is applied: this list draws on every sample on record. Show the last two years only.

The most recent samples, result by result

The table below lists 21–30 of 554 samples, newest first — collected April 1, 2025 to August 5, 2025. The summary above covers all 554.

22 results from the 10 samples listed here: 13 detected, 9 not detected. Across the whole record it is 636 of 2,658. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

We withheld the location of 8 sampling points below. The location on record identifies a private home, and we do not publish those. That is our decision, not the agency’s. The sampling point, its type and every result taken there are published unchanged.

Chemical and radiological sample results for City of Pontotoc, every result from 21 to 30 of 554 samples shown, newest first. Not detected means the amount was below the level the laboratory can reliably report, which is given beside it.
Result Analyte Monitoring period
Collected
Aug 5, 2025 05:30
Sampling point
LC048 Location withheld
Sample type
Routine
Lab sample
PB-250811-018
Laboratory
MSDH Lab
0.0046 mg/l , sample collected Aug 5, 2025 05:30, sampling point LC048 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 5, 2025 05:30, sampling point LC048 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Aug 5, 2025 06:30
Sampling point
LC035 Location withheld
Sample type
Routine
Lab sample
PB-250811-014
Laboratory
MSDH Lab
0.124 mg/l , sample collected Aug 5, 2025 06:30, sampling point LC035 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
1.2 ug/l , sample collected Aug 5, 2025 06:30, sampling point LC035 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Aug 5, 2025 06:30
Sampling point
LC027 Location withheld
Sample type
Routine
Lab sample
PB-250811-017
Laboratory
MSDH Lab
0.0215 mg/l , sample collected Aug 5, 2025 06:30, sampling point LC027 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.5 ug/l , sample collected Aug 5, 2025 06:30, sampling point LC027 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Aug 5, 2025 16:30
Sampling point
LC052 Location withheld
Sample type
Routine
Lab sample
PB-250811-001
Laboratory
MSDH Lab
0.0221 mg/l , sample collected Aug 5, 2025 16:30, sampling point LC052 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.7 ug/l , sample collected Aug 5, 2025 16:30, sampling point LC052 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Aug 5, 2025 06:15
Sampling point
LC018 Location withheld
Sample type
Routine
Lab sample
PB-250811-007
Laboratory
MSDH Lab
0.0209 mg/l , sample collected Aug 5, 2025 06:15, sampling point LC018 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.7 ug/l , sample collected Aug 5, 2025 06:15, sampling point LC018 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Aug 4, 2025 14:00
Sampling point
LC009 Location withheld
Sample type
Routine
Lab sample
PB-250811-020
Laboratory
MSDH Lab
0.0745 mg/l , sample collected Aug 4, 2025 14:00, sampling point LC009 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.9 ug/l , sample collected Aug 4, 2025 14:00, sampling point LC009 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Aug 4, 2025 16:00
Sampling point
LC002 Location withheld
Sample type
Routine
Lab sample
PB-250811-012
Laboratory
MSDH Lab
0.0174 mg/l , sample collected Aug 4, 2025 16:00, sampling point LC002 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 4, 2025 16:00, sampling point LC002 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Aug 4, 2025 14:30
Sampling point
LC044 Location withheld
Sample type
Routine
Lab sample
PB-250811-011
Laboratory
MSDH Lab
0.0172 mg/l , sample collected Aug 4, 2025 14:30, sampling point LC044 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 4, 2025 14:30, sampling point LC044 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Apr 1, 2025 11:10
Sampling point
TF106 Treatment Plant T106
Sample type
Routine
Lab sample
NI-250402-022
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 1, 2025 11:10, sampling point TF106 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 1, 2025 11:10, sampling point TF106 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 1, 2025 11:10, sampling point TF106 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Apr 1, 2025 10:30
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
NI-250402-021
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 1, 2025 10:30, sampling point TF105 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 1, 2025 10:30, sampling point TF105 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 1, 2025 10:30, sampling point TF105 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025

Routine (10).