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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

MS0440002 , Town of Caledonia

41 of the 75 analytes this system has been tested for have been detected at least once, across 320 samples on record.

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 320 samples on record, detections range from October 6, 2003 to May 18, 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 Town of Caledonia, 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 152 of 158 results Jun 15, 2004 Sep 7, 2023
Lead 1030 Inorganic Chemical 29 of 158 results Jun 15, 2004 Sep 6, 2023
TTHM 2950 Organic Chemical 19 of 23 results Aug 22, 2007 May 18, 2026
Barium 1010 Inorganic Chemical 18 of 18 results Oct 6, 2003 Mar 10, 2025
Fluoride 1025 Inorganic Chemical 17 of 20 results Oct 6, 2003 Mar 10, 2025
Chloroform 2941 Organic Chemical 13 of 17 results Sep 28, 2009 May 18, 2026
Bromodichloromethane 2943 Organic Chemical 13 of 17 results Sep 28, 2009 May 18, 2026
Dibromochloromethane 2944 Organic Chemical 11 of 17 results Sep 28, 2009 May 18, 2026
Nickel 1036 Inorganic Chemical 11 of 18 results Oct 6, 2003 Mar 10, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 8 of 23 results Aug 22, 2007 Apr 7, 2025
Sodium 1052 Inorganic Chemical 6 of 6 results Aug 17, 2010 Feb 10, 2025
Sulfate 1055 Inorganic Chemical 6 of 6 results Oct 6, 2003 Dec 1, 2010
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 10 results Mar 5, 2012 Oct 2, 2012
Combined Radium (-226 & -228) 4010 Radionuclide 4 of 14 results Sep 28, 2009 Mar 4, 2010
Radium-226 4020 Radionuclide 4 of 14 results Sep 28, 2009 Mar 4, 2010
Gross Beta Particle Activity 4100 Radionuclide 4 of 4 results Sep 28, 2009 Mar 4, 2010
Chromium 1020 Inorganic Chemical 3 of 18 results Jul 16, 2012 Feb 29, 2016
Gross Alpha, Excl. Radon & U 4000 Radionuclide 3 of 4 results Sep 28, 2009 Mar 4, 2010
Radium-228 4030 Radionuclide 3 of 14 results Sep 29, 2009 Mar 4, 2010
Gross Alpha Particle Activity 4109 Radionuclide 3 of 4 results Sep 28, 2009 Mar 4, 2010
Trichloroacetic Acid 2452 Organic Chemical 2 of 16 results Aug 7, 2024 Aug 7, 2024
Monobromoacetic Acid 2453 Organic Chemical 2 of 16 results Aug 20, 2019 Sep 15, 2020
Dichloroacetic Acid 2451 Organic Chemical 2 of 16 results Sep 28, 2009 Aug 20, 2019
Calcium 1016 Inorganic Chemical 2 of 2 results Aug 17, 2010 Dec 1, 2010
Iron 1028 Inorganic Chemical 2 of 2 results Aug 17, 2010 Dec 1, 2010
Magnesium 1031 Inorganic Chemical 2 of 2 results Aug 17, 2010 Dec 1, 2010
Manganese 1032 Inorganic Chemical 2 of 2 results Aug 17, 2010 Dec 1, 2010
Potassium 1042 Inorganic Chemical 2 of 2 results Aug 17, 2010 Dec 1, 2010
Residue, Total, Filterable 1057 Water Quality 2 of 2 results Aug 17, 2010 Dec 1, 2010
Alkalinity, Caco3 Stability 1067 Water Quality 2 of 2 results Aug 17, 2010 Dec 1, 2010
Carbon Dioxide 1901 Water Quality 2 of 2 results Aug 17, 2010 Dec 1, 2010
Hardness, Total (As Caco3) 1915 Water Quality 2 of 2 results Aug 17, 2010 Dec 1, 2010
Alkalinity, Total 1927 Water Quality 2 of 2 results Aug 17, 2010 Dec 1, 2010
Calculated Sodium NACA Water Quality 2 of 2 results Aug 17, 2010 Dec 1, 2010
Nitrite 1041 Inorganic Chemical 1 of 42 results Mar 10, 2025 Mar 10, 2025
Arsenic 1005 Inorganic Chemical 1 of 18 results Sep 27, 2022 Sep 27, 2022
Iron, Field Result FEFD Inorganic Chemical 1 of 2 results Dec 1, 2010 Dec 1, 2010
PH, Field Result PHFD Water Quality 1 of 1 result Dec 1, 2010 Dec 1, 2010
Chloride 1017 Inorganic Chemical 1 of 2 results Aug 17, 2010 Aug 17, 2010
Color 1905 Water Quality 1 of 1 result Aug 17, 2010 Aug 17, 2010
Cadmium 1015 Inorganic Chemical 1 of 18 results Oct 6, 2003 Oct 6, 2003

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 161–170 of 320 samples, newest first — collected July 30, 2012 to February 25, 2013. The summary above covers all 320.

32 results from the 10 samples listed here: 3 detected, 29 not detected. Across the whole record it is 367 of 1,311. 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 Town of Caledonia, every result from 161 to 170 of 320 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
Feb 25, 2013 01:52
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
130226-069NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 25, 2013 01:52, sampling point TF080 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 25, 2013 01:52, sampling point TF080 Nitrate 1040 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 25, 2013 01:52, sampling point TF080 Nitrite 1041 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Collected
Feb 25, 2013 02:15
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
130226-068NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 25, 2013 02:15, sampling point TF081 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 25, 2013 02:15, sampling point TF081 Nitrate 1040 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 25, 2013 02:15, sampling point TF081 Nitrite 1041 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Collected
Oct 2, 2012 13:08
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
201301120209
Laboratory
Radiation Safety Engineering
Not detected below 0.37 pci/l Minimum Reporting Level , sample collected Oct 2, 2012 13:08, sampling point TF080 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.4 pci/l Minimum Reporting Level , sample collected Oct 2, 2012 13:08, sampling point TF080 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.344 pci/l Minimum Reporting Level , sample collected Oct 2, 2012 13:08, sampling point TF080 Radium-226 4020 EPA method 903.1 Oct 1, 2012 – Dec 31, 2012
Not detected below 0.4 pci/l Minimum Reporting Level , sample collected Oct 2, 2012 13:08, sampling point TF080 Radium-228 4030 EPA method 904.0 Oct 1, 2012 – Dec 31, 2012
Collected
Oct 2, 2012 13:40
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
201301120207
Laboratory
Radiation Safety Engineering
0.4 pci/l , sample collected Oct 2, 2012 13:40, sampling point TF081 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.47 pci/l Minimum Reporting Level , sample collected Oct 2, 2012 13:40, sampling point TF081 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.363 pci/l Minimum Reporting Level , sample collected Oct 2, 2012 13:40, sampling point TF081 Radium-226 4020 EPA method 903.1 Oct 1, 2012 – Dec 31, 2012
Not detected below 0.47 pci/l Minimum Reporting Level , sample collected Oct 2, 2012 13:40, sampling point TF081 Radium-228 4030 EPA method 904.0 Oct 1, 2012 – Dec 31, 2012
Collected
Oct 1, 2012 13:23
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
121002-119
Laboratory
Radiation Safety Engineering
Not detected below 0.37 pci/l Minimum Reporting Level , sample collected Oct 1, 2012 13:23, sampling point TF080 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.4 pci/l Minimum Reporting Level , sample collected Oct 1, 2012 13:23, sampling point TF080 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.344 pci/l Minimum Reporting Level , sample collected Oct 1, 2012 13:23, sampling point TF080 Radium-226 4020 EPA method 903.1 Oct 1, 2012 – Dec 31, 2012
Not detected below 0.4 pci/l Minimum Reporting Level , sample collected Oct 1, 2012 13:23, sampling point TF080 Radium-228 4030 EPA method 904.0 Oct 1, 2012 – Dec 31, 2012
Collected
Oct 1, 2012 14:46
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
121002-022
Laboratory
Radiation Safety Engineering
0.4 pci/l , sample collected Oct 1, 2012 14:46, sampling point TF081 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.47 pci/l Minimum Reporting Level , sample collected Oct 1, 2012 14:46, sampling point TF081 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.363 pci/l Minimum Reporting Level , sample collected Oct 1, 2012 14:46, sampling point TF081 Radium-226 4020 EPA method 903.1 Oct 1, 2012 – Dec 31, 2012
Not detected below 0.47 pci/l Minimum Reporting Level , sample collected Oct 1, 2012 14:46, sampling point TF081 Radium-228 4030 EPA method 904.0 Oct 1, 2012 – Dec 31, 2012
Collected
Sep 12, 2012 02:34
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
120913-002CN
Laboratory
MSDH Lab
Not detected below 15 ug/l Minimum Reporting Level , sample collected Sep 12, 2012 02:34, sampling point TF081 Cyanide 1024 EPA method QC10204001X Jan 1, 2011 – Dec 31, 2013
Collected
Sep 12, 2012 01:57
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
120913-001CN
Laboratory
MSDH Lab
Not detected below 15 ug/l Minimum Reporting Level , sample collected Sep 12, 2012 01:57, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2011 – Dec 31, 2013
Collected
Jul 30, 2012 13:08
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
120731-111
Laboratory
Radiation Safety Engineering
Not detected below 0.37 pci/l Minimum Reporting Level , sample collected Jul 30, 2012 13:08, sampling point TF080 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.4 pci/l Minimum Reporting Level , sample collected Jul 30, 2012 13:08, sampling point TF080 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.344 pci/l Minimum Reporting Level , sample collected Jul 30, 2012 13:08, sampling point TF080 Radium-226 4020 EPA method 903.1 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.4 pci/l Minimum Reporting Level , sample collected Jul 30, 2012 13:08, sampling point TF080 Radium-228 4030 EPA method 904.0 Jul 1, 2012 – Sep 30, 2012
Collected
Jul 30, 2012 13:40
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
120731-175
Laboratory
Radiation Safety Engineering
0.4 pci/l , sample collected Jul 30, 2012 13:40, sampling point TF081 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.47 pci/l Minimum Reporting Level , sample collected Jul 30, 2012 13:40, sampling point TF081 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.363 pci/l Minimum Reporting Level , sample collected Jul 30, 2012 13:40, sampling point TF081 Radium-226 4020 EPA method 903.1 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.47 pci/l Minimum Reporting Level , sample collected Jul 30, 2012 13:40, sampling point TF081 Radium-228 4030 EPA method 904.0 Jul 1, 2012 – Sep 30, 2012

Routine (10).