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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

MS0680007 , North Tallahatchie W/A

37 of the 72 analytes this system has been tested for have been detected at least once, across 224 samples on record.

The other 35 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 224 samples on record, detections range from November 24, 2003 to February 10, 2026. 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 North Tallahatchie W/A, 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 61 of 61 results Aug 21, 2007 Aug 15, 2023
Lead 1030 Inorganic Chemical 44 of 61 results Aug 21, 2007 Aug 15, 2023
Fluoride 1025 Inorganic Chemical 21 of 21 results Nov 24, 2003 Apr 1, 2025
Barium 1010 Inorganic Chemical 20 of 20 results Nov 24, 2003 Apr 1, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 14 of 20 results Jul 15, 2010 Oct 20, 2025
Chromium 1020 Inorganic Chemical 14 of 20 results Apr 7, 2004 Apr 1, 2025
TTHM 2950 Organic Chemical 13 of 15 results Aug 16, 2004 Feb 10, 2026
Dichloroacetic Acid 2451 Organic Chemical 12 of 15 results Jul 15, 2010 Oct 20, 2025
Dibromoacetic Acid 2454 Organic Chemical 10 of 15 results Sep 23, 2013 Oct 20, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Mar 15, 2012 Oct 19, 2012
Trichloroacetic Acid 2452 Organic Chemical 9 of 15 results Sep 23, 2013 Oct 20, 2025
Chloroform 2941 Organic Chemical 8 of 10 results Jul 15, 2010 Feb 10, 2026
Selenium 1045 Inorganic Chemical 8 of 20 results Nov 24, 2003 Dec 6, 2022
Bromodichloromethane 2943 Organic Chemical 6 of 10 results Sep 23, 2013 Feb 10, 2026
Arsenic 1005 Inorganic Chemical 6 of 20 results Dec 12, 2016 Apr 1, 2025
Dibromochloromethane 2944 Organic Chemical 5 of 10 results Oct 19, 2020 Feb 10, 2026
Nickel 1036 Inorganic Chemical 5 of 20 results May 29, 2013 Apr 1, 2025
Sodium 1052 Inorganic Chemical 5 of 5 results Apr 22, 2010 Nov 7, 2023
Bromoform 2942 Organic Chemical 4 of 10 results Oct 19, 2020 Feb 10, 2026
Nitrite 1041 Inorganic Chemical 3 of 42 results Sep 28, 2005 Oct 25, 2011
Sulfate 1055 Inorganic Chemical 3 of 5 results Nov 24, 2003 Apr 22, 2010
Xylenes, Total 2955 Organic Chemical 2 of 25 results Jun 9, 2004 Jun 9, 2004
Ethylbenzene 2992 Organic Chemical 2 of 25 results Jun 9, 2004 Jun 9, 2004
Monobromoacetic Acid 2453 Organic Chemical 1 of 15 results Nov 13, 2024 Nov 13, 2024
Calcium 1016 Inorganic Chemical 1 of 1 result Apr 22, 2010 Apr 22, 2010
Chloride 1017 Inorganic Chemical 1 of 1 result Apr 22, 2010 Apr 22, 2010
Magnesium 1031 Inorganic Chemical 1 of 1 result Apr 22, 2010 Apr 22, 2010
Manganese 1032 Inorganic Chemical 1 of 1 result Apr 22, 2010 Apr 22, 2010
Potassium 1042 Inorganic Chemical 1 of 1 result Apr 22, 2010 Apr 22, 2010
Residue, Total, Filterable 1057 Water Quality 1 of 1 result Apr 22, 2010 Apr 22, 2010
Alkalinity, Caco3 Stability 1067 Water Quality 1 of 1 result Apr 22, 2010 Apr 22, 2010
Carbon Dioxide 1901 Water Quality 1 of 1 result Apr 22, 2010 Apr 22, 2010
Color 1905 Water Quality 1 of 1 result Apr 22, 2010 Apr 22, 2010
Hardness, Total (As Caco3) 1915 Water Quality 1 of 1 result Apr 22, 2010 Apr 22, 2010
Alkalinity, Total 1927 Water Quality 1 of 1 result Apr 22, 2010 Apr 22, 2010
Calculated Sodium NACA Water Quality 1 of 1 result Apr 22, 2010 Apr 22, 2010
PH, Field Result PHFD Water Quality 1 of 1 result Apr 22, 2010 Apr 22, 2010

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 121–130 of 224 samples, newest first — collected August 13, 2012 to May 29, 2013. The summary above covers all 224.

42 results from the 10 samples listed here: 10 detected, 32 not detected. Across the whole record it is 299 of 1,239. 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 North Tallahatchie W/A, every result from 121 to 130 of 224 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
May 29, 2013 01:07
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
130530-002IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 29, 2013 01:07, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0087 mg/l , sample collected May 29, 2013 01:07, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 29, 2013 01:07, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0014 mg/l , sample collected May 29, 2013 01:07, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.158 mg/l , sample collected May 29, 2013 01:07, sampling point TF102 Fluoride 1025 EPA method 300.0 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 29, 2013 01:07, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0163 mg/l , sample collected May 29, 2013 01:07, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected May 29, 2013 01:07, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 29, 2013 01:07, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 29, 2013 01:07, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 29, 2013 01:07, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Collected
May 15, 2013 02:21
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
130516-026NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 15, 2013 02:21, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2013 – Dec 31, 2013
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 15, 2013 02:21, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2013 – Dec 31, 2013
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 15, 2013 02:21, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2013 – Dec 31, 2013
Collected
May 15, 2013 02:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
130516-025NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 15, 2013 02:30, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2013 – Dec 31, 2013
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 15, 2013 02:30, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2013 – Dec 31, 2013
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 15, 2013 02:30, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2013 – Dec 31, 2013
Collected
Oct 19, 2012 16:10
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
201301130128
Laboratory
Radiation Safety Engineering
0.6 pci/l , sample collected Oct 19, 2012 16:10, sampling point TF101 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.46 pci/l Minimum Reporting Level , sample collected Oct 19, 2012 16:10, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.325 pci/l Minimum Reporting Level , sample collected Oct 19, 2012 16:10, sampling point TF101 Radium-226 4020 EPA method 903.1 Oct 1, 2012 – Dec 31, 2012
Not detected below 0.46 pci/l Minimum Reporting Level , sample collected Oct 19, 2012 16:10, sampling point TF101 Radium-228 4030 EPA method 904.0 Oct 1, 2012 – Dec 31, 2012
Collected
Oct 19, 2012 15:45
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
201301130124
Laboratory
Radiation Safety Engineering
0.9 pci/l , sample collected Oct 19, 2012 15:45, sampling point TF102 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.48 pci/l Minimum Reporting Level , sample collected Oct 19, 2012 15:45, sampling point TF102 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.385 pci/l Minimum Reporting Level , sample collected Oct 19, 2012 15:45, sampling point TF102 Radium-226 4020 EPA method 903.1 Oct 1, 2012 – Dec 31, 2012
Not detected below 0.48 pci/l Minimum Reporting Level , sample collected Oct 19, 2012 15:45, sampling point TF102 Radium-228 4030 EPA method 904.0 Oct 1, 2012 – Dec 31, 2012
Collected
Oct 18, 2012 14:20
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
121019-003
Laboratory
Radiation Safety Engineering
0.6 pci/l , sample collected Oct 18, 2012 14:20, sampling point TF101 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.46 pci/l Minimum Reporting Level , sample collected Oct 18, 2012 14:20, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.325 pci/l Minimum Reporting Level , sample collected Oct 18, 2012 14:20, sampling point TF101 Radium-226 4020 EPA method 903.1 Oct 1, 2012 – Dec 31, 2012
Not detected below 0.46 pci/l Minimum Reporting Level , sample collected Oct 18, 2012 14:20, sampling point TF101 Radium-228 4030 EPA method 904.0 Oct 1, 2012 – Dec 31, 2012
Collected
Oct 18, 2012 14:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
121019-004
Laboratory
Radiation Safety Engineering
0.9 pci/l , sample collected Oct 18, 2012 14:00, sampling point TF102 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.48 pci/l Minimum Reporting Level , sample collected Oct 18, 2012 14:00, sampling point TF102 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.385 pci/l Minimum Reporting Level , sample collected Oct 18, 2012 14:00, sampling point TF102 Radium-226 4020 EPA method 903.1 Oct 1, 2012 – Dec 31, 2012
Not detected below 0.48 pci/l Minimum Reporting Level , sample collected Oct 18, 2012 14:00, sampling point TF102 Radium-228 4030 EPA method 904.0 Oct 1, 2012 – Dec 31, 2012
Collected
Aug 13, 2012 15:55
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120814-006
Laboratory
Radiation Safety Engineering
0.6 pci/l , sample collected Aug 13, 2012 15:55, sampling point TF101 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.46 pci/l Minimum Reporting Level , sample collected Aug 13, 2012 15:55, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.325 pci/l Minimum Reporting Level , sample collected Aug 13, 2012 15:55, sampling point TF101 Radium-226 4020 EPA method 903.1 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.46 pci/l Minimum Reporting Level , sample collected Aug 13, 2012 15:55, sampling point TF101 Radium-228 4030 EPA method 904.0 Jul 1, 2012 – Sep 30, 2012
Collected
Aug 13, 2012 15:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
120814-007
Laboratory
Radiation Safety Engineering
0.9 pci/l , sample collected Aug 13, 2012 15:30, sampling point TF102 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.48 pci/l Minimum Reporting Level , sample collected Aug 13, 2012 15:30, sampling point TF102 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.385 pci/l Minimum Reporting Level , sample collected Aug 13, 2012 15:30, sampling point TF102 Radium-226 4020 EPA method 903.1 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.48 pci/l Minimum Reporting Level , sample collected Aug 13, 2012 15:30, sampling point TF102 Radium-228 4030 EPA method 904.0 Jul 1, 2012 – Sep 30, 2012
Collected
Aug 13, 2012 15:32
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
120814-007RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 13, 2012 15:32, sampling point TF102 Combined Uranium 4006 EPA method 200.8 Jul 1, 2012 – Sep 30, 2012

Routine (10).