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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 41–50 of 354 samples, newest first — collected December 13, 2021 to July 25, 2022. The summary above covers all 354.

35 results from the 10 samples listed here: 21 detected, 14 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 41 to 50 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
Jul 25, 2022 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220726-008
Laboratory
MSDH Lab
0.468 mg/l , sample collected Jul 25, 2022 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
1.5 ug/l , sample collected Jul 25, 2022 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jul 25, 2022 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220726-003
Laboratory
MSDH Lab
0.221 mg/l , sample collected Jul 25, 2022 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 25, 2022 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jul 25, 2022 08:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220726-009
Laboratory
MSDH Lab
0.114 mg/l , sample collected Jul 25, 2022 08:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.7 ug/l , sample collected Jul 25, 2022 08:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jul 25, 2022 10:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220726-004
Laboratory
MSDH Lab
0.552 mg/l , sample collected Jul 25, 2022 10:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 25, 2022 10:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jul 25, 2022 07:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220726-005
Laboratory
MSDH Lab
0.363 mg/l , sample collected Jul 25, 2022 07:40, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.5 ug/l , sample collected Jul 25, 2022 07:40, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
May 2, 2022 14:00
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
IN-220503-010
Laboratory
MSDH Lab
0.0048 mg/l , sample collected May 2, 2022 14:00, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.181 mg/l , sample collected May 2, 2022 14:00, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2022 14:00, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0008 mg/l , sample collected May 2, 2022 14:00, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.236 mg/l , sample collected May 2, 2022 14:00, sampling point TF103 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2022 14:00, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0009 mg/l , sample collected May 2, 2022 14:00, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
0.0053 mg/l , sample collected May 2, 2022 14:00, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2022 14:00, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2022 14:00, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2022 14:00, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
May 2, 2022 13:45
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
IN-220503-009
Laboratory
MSDH Lab
0.0053 mg/l , sample collected May 2, 2022 13:45, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.177 mg/l , sample collected May 2, 2022 13:45, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2022 13:45, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0009 mg/l , sample collected May 2, 2022 13:45, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.246 mg/l , sample collected May 2, 2022 13:45, sampling point TF102 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2022 13:45, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0007 mg/l , sample collected May 2, 2022 13:45, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
0.0061 mg/l , sample collected May 2, 2022 13:45, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2022 13:45, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2022 13:45, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2022 13:45, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Mar 28, 2022 14:10
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-220329-001
Laboratory
MSDH Lab
3.01 ug/l , sample collected Mar 28, 2022 14:10, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2022 – Dec 31, 2022
Collected
Mar 28, 2022 14:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-220329-001
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Mar 28, 2022 14:00, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022
Collected
Dec 13, 2021 14:45
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-211214-018
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 13, 2021 14:45, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded

Routine (10).