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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

MS0070004 , City of Calhoun City

25 of the 59 analytes this system has been tested for have been detected at least once, across 354 samples on record.

The other 34 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 354 samples on record, detections range from December 20, 1993 to April 29, 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 City of Calhoun City, 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 148 of 161 results Dec 20, 1993 Sep 30, 2025
Lead 1030 Inorganic Chemical 124 of 161 results Dec 20, 1993 Sep 30, 2025
Barium 1010 Inorganic Chemical 28 of 28 results Jun 25, 2002 Mar 3, 2025
Fluoride 1025 Inorganic Chemical 28 of 28 results Jun 25, 2002 Mar 3, 2025
Arsenic 1005 Inorganic Chemical 26 of 28 results Jun 25, 2002 Mar 3, 2025
Selenium 1045 Inorganic Chemical 25 of 28 results Jun 25, 2002 Mar 3, 2025
Nitrate-Nitrite 1038 Inorganic Chemical 24 of 56 results May 3, 2004 Feb 25, 2026
Nickel 1036 Inorganic Chemical 24 of 28 results Jun 25, 2002 Mar 3, 2025
Nitrate 1040 Inorganic Chemical 20 of 56 results May 3, 2004 Mar 3, 2025
Chromium 1020 Inorganic Chemical 19 of 28 results Jun 25, 2002 May 2, 2022
Nitrite 1041 Inorganic Chemical 16 of 56 results May 3, 2004 Feb 25, 2026
Gross Alpha, Incl. Radon & U 4002 Radionuclide 14 of 14 results Mar 13, 2012 Oct 18, 2012
Sodium 1052 Inorganic Chemical 6 of 6 results Sep 18, 2019 Dec 9, 2024
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 6 of 14 results Jun 26, 2007 Mar 4, 2024
TTHM 2950 Organic Chemical 4 of 13 results Jun 26, 2007 Apr 29, 2026
Combined Radium (-226 & -228) 4010 Radionuclide 4 of 14 results Mar 13, 2012 Oct 16, 2012
Radium-226 4020 Radionuclide 4 of 14 results Mar 13, 2012 Oct 16, 2012
Radium-228 4030 Radionuclide 4 of 14 results Mar 13, 2012 Oct 16, 2012
Gross Alpha Particle Activity 4109 Radionuclide 4 of 4 results Mar 13, 2012 Oct 16, 2012
Bromoform 2942 Organic Chemical 2 of 7 results Apr 28, 2020 Apr 29, 2026
Dichloroacetic Acid 2451 Organic Chemical 1 of 8 results Apr 28, 2020 Apr 28, 2020
Monobromoacetic Acid 2453 Organic Chemical 1 of 8 results Aug 13, 2014 Aug 13, 2014
Dibromoacetic Acid 2454 Organic Chemical 1 of 8 results Aug 11, 2008 Aug 11, 2008
Cadmium 1015 Inorganic Chemical 1 of 28 results Feb 16, 2005 Feb 16, 2005
Antimony, Total 1074 Inorganic Chemical 1 of 28 results Feb 16, 2005 Feb 16, 2005

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 101–110 of 354 samples, newest first — collected September 29, 2014 to August 29, 2016. The summary above covers all 354.

42 results from the 10 samples listed here: 21 detected, 21 not detected. Across the whole record it is 535 of 1,511. 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 Calhoun City, every result from 101 to 110 of 354 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 29, 2016
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160831-011PB
Laboratory
MSDH Lab
0.4697 mg/l , sample collected Aug 29, 2016, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0006 mg/l , sample collected Aug 29, 2016, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Aug 29, 2016 05:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160831-008PB
Laboratory
MSDH Lab
0.2255 mg/l , sample collected Aug 29, 2016 05:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 29, 2016 05:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Mar 14, 2016 13:15
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
160315-060NI
Laboratory
MSDH Lab
0.1 mg/l , sample collected Mar 14, 2016 13:15, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
0.1 mg/l , sample collected Mar 14, 2016 13:15, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 14, 2016 13:15, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Collected
Mar 14, 2016 14:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
160315-038NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 14, 2016 14:00, 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 Mar 14, 2016 14:00, 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 Mar 14, 2016 14:00, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Collected
Mar 2, 2015 14:40
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
150303-054IN
Laboratory
MSDH Lab
0.0014 mg/l , sample collected Mar 2, 2015 14:40, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.1521 mg/l , sample collected Mar 2, 2015 14:40, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 2, 2015 14:40, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0046 mg/l , sample collected Mar 2, 2015 14:40, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.25 mg/l , sample collected Mar 2, 2015 14:40, sampling point TF103 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 2, 2015 14:40, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0009 mg/l , sample collected Mar 2, 2015 14:40, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 2, 2015 14:40, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 2, 2015 14:40, sampling point TF103 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 Mar 2, 2015 14:40, sampling point TF103 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 Mar 2, 2015 14:40, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Mar 2, 2015 14:15
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
150303-053IN
Laboratory
MSDH Lab
0.0024 mg/l , sample collected Mar 2, 2015 14:15, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.1585 mg/l , sample collected Mar 2, 2015 14:15, 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 Mar 2, 2015 14:15, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0042 mg/l , sample collected Mar 2, 2015 14:15, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.295 mg/l , sample collected Mar 2, 2015 14:15, 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 Mar 2, 2015 14:15, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0009 mg/l , sample collected Mar 2, 2015 14:15, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
0.0056 mg/l , sample collected Mar 2, 2015 14:15, 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 Mar 2, 2015 14:15, 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 Mar 2, 2015 14:15, 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 Mar 2, 2015 14:15, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Jan 20, 2015 16:05
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
150121-112NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 20, 2015 16:05, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 20, 2015 16:05, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 20, 2015 16:05, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Collected
Jan 20, 2015 15:42
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
150121-110NI
Laboratory
MSDH Lab
0.21 mg/l , sample collected Jan 20, 2015 15:42, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
0.21 mg/l , sample collected Jan 20, 2015 15:42, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 20, 2015 15:42, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Collected
Sep 29, 2014 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140930-093PB
Laboratory
MSDH Lab
0.0663 mg/l , sample collected Sep 29, 2014 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0031 mg/l , sample collected Sep 29, 2014 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Sep 29, 2014 07:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140930-092PB
Laboratory
MSDH Lab
0.1908 mg/l , sample collected Sep 29, 2014 07:45, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 29, 2014 07:45, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014

Routine (10).