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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

MS0530002 , Black Jack Water Assn #1

30 of the 71 analytes this system has been tested for have been detected at least once, across 218 samples on record.

The other 41 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 218 samples on record, detections range from October 13, 2003 to March 17, 2025. 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 Black Jack Water Assn #1, 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 64 of 64 results Aug 14, 2007 Sep 11, 2023
Lead 1030 Inorganic Chemical 20 of 64 results Aug 14, 2007 Sep 11, 2023
Barium 1010 Inorganic Chemical 19 of 20 results Oct 13, 2003 Mar 17, 2025
Fluoride 1025 Inorganic Chemical 18 of 22 results Oct 13, 2003 Mar 17, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Dec 7, 2011 Jul 10, 2012
Sodium 1052 Inorganic Chemical 8 of 8 results Apr 20, 2017 Feb 24, 2025
Chromium 1020 Inorganic Chemical 8 of 20 results Oct 13, 2003 Mar 7, 2016
Selenium 1045 Inorganic Chemical 7 of 20 results Oct 13, 2003 Mar 20, 2006
Nickel 1036 Inorganic Chemical 5 of 20 results Mar 15, 2004 Apr 29, 2013
Combined Radium (-226 & -228) 4010 Radionuclide 5 of 10 results Dec 7, 2011 Jul 10, 2012
Radium-226 4020 Radionuclide 5 of 10 results Dec 7, 2011 Jul 10, 2012
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 3 of 19 results Aug 29, 2007 Aug 19, 2013
Calcium 1016 Inorganic Chemical 2 of 2 results Apr 20, 2017 Apr 20, 2017
Chloride 1017 Inorganic Chemical 2 of 2 results Apr 20, 2017 Apr 20, 2017
Iron 1028 Inorganic Chemical 2 of 2 results Apr 20, 2017 Apr 20, 2017
Magnesium 1031 Inorganic Chemical 2 of 2 results Apr 20, 2017 Apr 20, 2017
Manganese 1032 Inorganic Chemical 2 of 2 results Apr 20, 2017 Apr 20, 2017
Potassium 1042 Inorganic Chemical 2 of 2 results Apr 20, 2017 Apr 20, 2017
Residue, Total, Filterable 1057 Water Quality 2 of 2 results Apr 20, 2017 Apr 20, 2017
Carbon Dioxide 1901 Water Quality 2 of 2 results Apr 20, 2017 Apr 20, 2017
Color 1905 Water Quality 2 of 2 results Apr 20, 2017 Apr 20, 2017
Hardness, Total (As Caco3) 1915 Water Quality 2 of 2 results Apr 20, 2017 Apr 20, 2017
Alkalinity, Total 1927 Water Quality 2 of 2 results Apr 20, 2017 Apr 20, 2017
Iron, Field Result FEFD Inorganic Chemical 2 of 2 results Apr 20, 2017 Apr 20, 2017
Calculated Sodium NACA Water Quality 2 of 2 results Apr 20, 2017 Apr 20, 2017
PH, Field Result PHFD Water Quality 2 of 2 results Apr 20, 2017 Apr 20, 2017
TTHM 2950 Organic Chemical 2 of 20 results Aug 29, 2007 Jun 14, 2010
Cyanide 1024 Inorganic Chemical 2 of 20 results Nov 24, 2003 Apr 4, 2005
Monobromoacetic Acid 2453 Organic Chemical 1 of 13 results Aug 19, 2013 Aug 19, 2013
Arsenic 1005 Inorganic Chemical 1 of 20 results Oct 13, 2003 Oct 13, 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 21–30 of 218 samples, newest first — collected September 11, 2023 to April 1, 2024. The summary above covers all 218.

21 results from the 10 samples listed here: 11 detected, 10 not detected. Across the whole record it is 206 of 1,052. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

We withheld the location of 9 sampling points below. The location on record identifies a private home, and we do not publish those. That is our decision, not the agency’s. The sampling point, its type and every result taken there are published unchanged.

Chemical and radiological sample results for Black Jack Water Assn #1, every result from 21 to 30 of 218 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
Apr 1, 2024 10:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-240402-032
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 1, 2024 10:00, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 1, 2024 10:00, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 1, 2024 10:00, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Sep 11, 2023 08:35
Sampling point
LC0001 Location withheld
Sample type
Routine
Lab sample
PB-230913-020
Laboratory
MSDH Lab
0.113 mg/l , sample collected Sep 11, 2023 08:35, sampling point LC0001 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2023 08:35, sampling point LC0001 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 11, 2023 08:00
Sampling point
LC0004 Location withheld
Sample type
Routine
Lab sample
PB-230913-019
Laboratory
MSDH Lab
0.019 mg/l , sample collected Sep 11, 2023 08:00, sampling point LC0004 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2023 08:00, sampling point LC0004 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 11, 2023 03:55
Sampling point
LC0014 Location withheld
Sample type
Routine
Lab sample
PB-230913-018
Laboratory
MSDH Lab
0.0397 mg/l , sample collected Sep 11, 2023 03:55, sampling point LC0014 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2023 03:55, sampling point LC0014 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 11, 2023 08:12
Sampling point
LC0015 Location withheld
Sample type
Routine
Lab sample
PB-230913-017
Laboratory
MSDH Lab
0.0344 mg/l , sample collected Sep 11, 2023 08:12, sampling point LC0015 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2023 08:12, sampling point LC0015 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 11, 2023 07:00
Sampling point
LC0008 Location withheld
Sample type
Routine
Lab sample
PB-230913-016
Laboratory
MSDH Lab
0.0036 mg/l , sample collected Sep 11, 2023 07:00, sampling point LC0008 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2023 07:00, sampling point LC0008 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 11, 2023 07:00
Sampling point
LC0003 Location withheld
Sample type
Routine
Lab sample
PB-230913-015
Laboratory
MSDH Lab
0.123 mg/l , sample collected Sep 11, 2023 07:00, sampling point LC0003 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
1 ug/l , sample collected Sep 11, 2023 07:00, sampling point LC0003 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 11, 2023 07:30
Sampling point
LC0006 Location withheld
Sample type
Routine
Lab sample
PB-230913-014
Laboratory
MSDH Lab
0.0065 mg/l , sample collected Sep 11, 2023 07:30, sampling point LC0006 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
0.5 ug/l , sample collected Sep 11, 2023 07:30, sampling point LC0006 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 11, 2023 09:12
Sampling point
LC0010 Location withheld
Sample type
Routine
Lab sample
PB-230913-013
Laboratory
MSDH Lab
0.379 mg/l , sample collected Sep 11, 2023 09:12, sampling point LC0010 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2023 09:12, sampling point LC0010 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 11, 2023 08:15
Sampling point
LC0011 Location withheld
Sample type
Routine
Lab sample
PB-230913-012
Laboratory
MSDH Lab
0.316 mg/l , sample collected Sep 11, 2023 08:15, sampling point LC0011 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 11, 2023 08:15, sampling point LC0011 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023

Routine (10).