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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 31–40 of 554 samples, newest first — collected March 18, 2025 to April 1, 2025. The summary above covers all 554.

78 results from the 10 samples listed here: 24 detected, 54 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.

Chemical and radiological sample results for City of Pontotoc, every result from 31 to 40 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
Apr 1, 2025 09:50
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
NI-250402-020
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 1, 2025 09:50, sampling point TF104 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 09:50, sampling point TF104 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 09:50, sampling point TF104 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Apr 1, 2025 09:25
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NI-250402-019
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 1, 2025 09:25, sampling point TF103 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 09:25, sampling point TF103 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 09:25, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Apr 1, 2025 09:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-250402-018
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 1, 2025 09:00, sampling point TF102 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 09:00, sampling point TF102 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 09:00, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Apr 1, 2025 08:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-250402-017
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 1, 2025 08:30, sampling point TF101 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 08:30, sampling point TF101 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 08:30, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Mar 18, 2025 11:05
Sampling point
TF106 Treatment Plant T106
Sample type
Routine
Lab sample
IN-250319-015
Laboratory
MSDH Lab
0.0012 mg/l , sample collected Mar 18, 2025 11:05, sampling point TF106 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.146 mg/l , sample collected Mar 18, 2025 11:05, sampling point TF106 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 11:05, sampling point TF106 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 11:05, sampling point TF106 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.128 mg/l , sample collected Mar 18, 2025 11:05, sampling point TF106 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 11:05, sampling point TF106 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0009 mg/l , sample collected Mar 18, 2025 11:05, sampling point TF106 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 11:05, sampling point TF106 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 11:05, sampling point TF106 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 11:05, sampling point TF106 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 11:05, sampling point TF106 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 18, 2025 08:45
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
IN-250319-014
Laboratory
MSDH Lab
0.0014 mg/l , sample collected Mar 18, 2025 08:45, sampling point TF105 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.145 mg/l , sample collected Mar 18, 2025 08:45, sampling point TF105 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 08:45, sampling point TF105 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 08:45, sampling point TF105 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.117 mg/l , sample collected Mar 18, 2025 08:45, sampling point TF105 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 08:45, sampling point TF105 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0011 mg/l , sample collected Mar 18, 2025 08:45, sampling point TF105 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 08:45, sampling point TF105 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 08:45, sampling point TF105 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 08:45, sampling point TF105 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 08:45, sampling point TF105 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 18, 2025 08:17
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
IN-250319-017
Laboratory
MSDH Lab
0.0012 mg/l , sample collected Mar 18, 2025 08:17, sampling point TF104 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.121 mg/l , sample collected Mar 18, 2025 08:17, sampling point TF104 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 08:17, sampling point TF104 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 08:17, sampling point TF104 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.133 mg/l , sample collected Mar 18, 2025 08:17, sampling point TF104 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 08:17, sampling point TF104 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0007 mg/l , sample collected Mar 18, 2025 08:17, sampling point TF104 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 08:17, sampling point TF104 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 08:17, sampling point TF104 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 08:17, sampling point TF104 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 08:17, sampling point TF104 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 18, 2025 10:25
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
IN-250319-016
Laboratory
MSDH Lab
0.0011 mg/l , sample collected Mar 18, 2025 10:25, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.126 mg/l , sample collected Mar 18, 2025 10:25, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 10:25, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 10:25, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.129 mg/l , sample collected Mar 18, 2025 10:25, sampling point TF103 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 10:25, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0008 mg/l , sample collected Mar 18, 2025 10:25, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 10:25, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 10:25, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 10:25, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 10:25, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 18, 2025 11:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
IN-250319-019
Laboratory
MSDH Lab
0.0012 mg/l , sample collected Mar 18, 2025 11:30, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.12 mg/l , sample collected Mar 18, 2025 11:30, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 11:30, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 11:30, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.126 mg/l , sample collected Mar 18, 2025 11:30, sampling point TF102 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 11:30, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0007 mg/l , sample collected Mar 18, 2025 11:30, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 11:30, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 11:30, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 11:30, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 11:30, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 18, 2025 09:55
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-250319-018
Laboratory
MSDH Lab
0.001 mg/l , sample collected Mar 18, 2025 09:55, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.125 mg/l , sample collected Mar 18, 2025 09:55, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 09:55, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 09:55, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.126 mg/l , sample collected Mar 18, 2025 09:55, sampling point TF101 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 09:55, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0008 mg/l , sample collected Mar 18, 2025 09:55, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 09:55, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 09:55, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 09:55, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 09:55, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025

Routine (10).