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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

MS0670014 , MS State Penitentiary-MN Ln

29 of the 57 analytes this system has been tested for have been detected at least once, across 692 samples on record.

The other 28 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 692 samples on record, detections range from October 27, 2003 to April 6, 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 MS State Penitentiary-MN Ln, 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 390 of 392 results Jun 3, 2004 Sep 28, 2025
Lead 1030 Inorganic Chemical 280 of 392 results Jun 3, 2004 Sep 28, 2025
TTHM 2950 Organic Chemical 40 of 41 results Aug 16, 2004 Oct 28, 2024
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 37 of 42 results Sep 13, 2007 Apr 6, 2026
Barium 1010 Inorganic Chemical 37 of 37 results Oct 27, 2003 May 5, 2025
Fluoride 1025 Inorganic Chemical 37 of 37 results Oct 27, 2003 May 5, 2025
Chromium 1020 Inorganic Chemical 29 of 37 results Oct 27, 2003 May 5, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 20 of 21 results Mar 29, 2012 Oct 23, 2012
Chloroform 2941 Organic Chemical 16 of 16 results Oct 3, 2007 May 28, 2024
Bromodichloromethane 2943 Organic Chemical 15 of 16 results Oct 3, 2007 May 28, 2024
Dichloroacetic Acid 2451 Organic Chemical 14 of 16 results Jun 4, 2008 Apr 6, 2026
Trichloroacetic Acid 2452 Organic Chemical 14 of 16 results Jun 4, 2008 Apr 6, 2026
Dibromochloromethane 2944 Organic Chemical 14 of 16 results Oct 3, 2007 May 28, 2024
Selenium 1045 Inorganic Chemical 13 of 37 results Apr 26, 2005 May 5, 2025
Dibromoacetic Acid 2454 Organic Chemical 11 of 16 results Sep 4, 2008 Apr 6, 2026
Arsenic 1005 Inorganic Chemical 10 of 37 results Apr 26, 2005 May 5, 2025
Nickel 1036 Inorganic Chemical 10 of 37 results Apr 26, 2005 May 5, 2025
Bromoform 2942 Organic Chemical 6 of 16 results Sep 4, 2008 Dec 19, 2017
Monobromoacetic Acid 2453 Organic Chemical 4 of 16 results Jun 17, 2009 Apr 6, 2026
Sodium 1052 Inorganic Chemical 4 of 4 results Dec 11, 2023 Dec 11, 2023
Monochloroacetic Acid 2450 Organic Chemical 4 of 16 results Jun 17, 2009 Nov 28, 2017
Cadmium 1015 Inorganic Chemical 3 of 37 results Apr 26, 2005 Apr 26, 2005
Mercury 1035 Inorganic Chemical 2 of 33 results Apr 26, 2005 Apr 26, 2005
Thallium, Total 1085 Inorganic Chemical 2 of 37 results Apr 26, 2005 Apr 26, 2005
Combined Radium (-226 & -228) 4010 Radionuclide 1 of 21 results Apr 6, 2020 Apr 6, 2020
Radium-226 4020 Radionuclide 1 of 21 results Apr 6, 2020 Apr 6, 2020
Radium-228 4030 Radionuclide 1 of 21 results Apr 6, 2020 Apr 6, 2020
Cyanide 1024 Inorganic Chemical 1 of 36 results Sep 11, 2013 Sep 11, 2013
Beryllium, Total 1075 Inorganic Chemical 1 of 37 results Apr 26, 2005 Apr 26, 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 111–120 of 692 samples, newest first — collected July 30, 2022 to October 25, 2022. The summary above covers all 692.

19 results from the 10 samples listed here: 8 detected, 11 not detected. Across the whole record it is 1,017 of 2,369. 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 MS State Penitentiary-MN Ln, every result from 111 to 120 of 692 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
Oct 25, 2022 17:45
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
CN-221026-006
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Oct 25, 2022 17:45, sampling point TF105 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
Oct 25, 2022 17:30
Sampling point
TF107 Treatment Plant T107
Sample type
Routine
Lab sample
CN-221026-005
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Oct 25, 2022 17:30, sampling point TF107 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
Sep 20, 2022 17:35
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
NI-220921-006
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Sep 20, 2022 17:35, sampling point TF105 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Sep 20, 2022 17:35, sampling point TF105 Nitrate 1040 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Sep 20, 2022 17:35, sampling point TF105 Nitrite 1041 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Collected
Sep 20, 2022 17:25
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
NI-220921-009
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Sep 20, 2022 17:25, sampling point TF104 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Sep 20, 2022 17:25, sampling point TF104 Nitrate 1040 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Sep 20, 2022 17:25, sampling point TF104 Nitrite 1041 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Collected
Sep 20, 2022 17:20
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-220921-008
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Sep 20, 2022 17:20, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Sep 20, 2022 17:20, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Sep 20, 2022 17:20, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Collected
Aug 30, 2022 17:15
Sampling point
SMT Superintendent's Office
Sample type
Routine
Lab sample
TH-220831-006
Laboratory
MSDH Lab
108 ug/l , sample collected Aug 30, 2022 17:15, sampling point SMT TTHM 2950 EPA method 524.2 Jul 1, 2022 – Sep 30, 2022
Collected
Aug 30, 2022 16:55
Sampling point
SMH Unit 29
Sample type
Routine
Lab sample
TH-220831-005
Laboratory
MSDH Lab
75.3 ug/l , sample collected Aug 30, 2022 16:55, sampling point SMH TTHM 2950 EPA method 524.2 Jul 1, 2022 – Sep 30, 2022
Collected
Jul 30, 2022 10:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220803-050
Laboratory
MSDH Lab
1 mg/l , sample collected Jul 30, 2022 10:25, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2022
81.5 ug/l , sample collected Jul 30, 2022 10:25, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2022
Collected
Jul 30, 2022 10:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220803-049
Laboratory
MSDH Lab
0.0924 mg/l , sample collected Jul 30, 2022 10:35, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2022
0.5 ug/l , sample collected Jul 30, 2022 10:35, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2022
Collected
Jul 30, 2022 10:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220803-048
Laboratory
MSDH Lab
0.227 mg/l , sample collected Jul 30, 2022 10:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2022
33.9 ug/l , sample collected Jul 30, 2022 10:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2022

Routine (10).