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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 91–100 of 224 samples, newest first — collected July 12, 2016 to August 15, 2017. The summary above covers all 224.

64 results from the 10 samples listed here: 15 detected, 49 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 91 to 100 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
Aug 15, 2017 05:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170816-001PB
Laboratory
MSDH Lab
0.2977 mg/l , sample collected Aug 15, 2017 05:35, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0012 mg/l , sample collected Aug 15, 2017 05:35, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Apr 17, 2017 01:15
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
170418-004VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 17, 2017 01:15, sampling point TF102 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 17, 2017 01:15, sampling point TF102 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 17, 2017 01:15, sampling point TF102 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 17, 2017 01:15, sampling point TF102 Dichloromethane 2964 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 17, 2017 01:15, sampling point TF102 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 17, 2017 01:15, sampling point TF102 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 17, 2017 01:15, sampling point TF102 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 17, 2017 01:15, sampling point TF102 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 17, 2017 01:15, sampling point TF102 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 17, 2017 01:15, sampling point TF102 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 17, 2017 01:15, sampling point TF102 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 17, 2017 01:15, sampling point TF102 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 17, 2017 01:15, sampling point TF102 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 17, 2017 01:15, sampling point TF102 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 17, 2017 01:15, sampling point TF102 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 17, 2017 01:15, sampling point TF102 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 17, 2017 01:15, sampling point TF102 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 17, 2017 01:15, sampling point TF102 Benzene 2990 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 17, 2017 01:15, sampling point TF102 Toluene 2991 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 17, 2017 01:15, sampling point TF102 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 17, 2017 01:15, sampling point TF102 Styrene 2996 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Collected
Dec 12, 2016 01:05
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
161213-114IN
Laboratory
MSDH Lab
0.0005 mg/l , sample collected Dec 12, 2016 01:05, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0104 mg/l , sample collected Dec 12, 2016 01:05, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 01:05, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0032 mg/l , sample collected Dec 12, 2016 01:05, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.157 mg/l , sample collected Dec 12, 2016 01:05, sampling point TF101 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 01:05, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 01:05, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 01:05, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 01:05, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 01:05, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 01:05, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Dec 12, 2016 01:20
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
161213-113IN
Laboratory
MSDH Lab
0.0006 mg/l , sample collected Dec 12, 2016 01:20, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0096 mg/l , sample collected Dec 12, 2016 01:20, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 01:20, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0018 mg/l , sample collected Dec 12, 2016 01:20, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.153 mg/l , sample collected Dec 12, 2016 01:20, sampling point TF102 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 01:20, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 01:20, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 01:20, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 01:20, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 01:20, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 01:20, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Dec 5, 2016 16:25
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
161206-007NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Dec 5, 2016 16:25, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Dec 5, 2016 16:25, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Dec 5, 2016 16:25, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Collected
Dec 5, 2016 16:05
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
161206-005NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Dec 5, 2016 16:05, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Dec 5, 2016 16:05, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Dec 5, 2016 16:05, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Collected
Sep 28, 2016 03:41
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
160929-007TH
Laboratory
MSDH Lab
3.16 ug/l , sample collected Sep 28, 2016 03:41, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 28, 2016 03:41, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 28, 2016 03:41, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 28, 2016 03:41, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
3.16 ug/l , sample collected Sep 28, 2016 03:41, sampling point MRT000 TTHM 2950 Jan 1, 2014 – Dec 31, 2016
Collected
Sep 28, 2016 03:42
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
160929-007HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Sep 28, 2016 03:42, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.005 mg/l , sample collected Sep 28, 2016 03:42, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 28, 2016 03:42, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 28, 2016 03:42, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.001 mg/l , sample collected Sep 28, 2016 03:42, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.006 mg/l , sample collected Sep 28, 2016 03:42, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2014 – Dec 31, 2016
Collected
Jul 12, 2016 03:21
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
160713-009CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jul 12, 2016 03:21, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016
Collected
Jul 12, 2016 03:04
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
160713-008CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jul 12, 2016 03:04, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016

Routine (10).