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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

MS0090012 , East Chickasaw W/A #2

25 of the 57 analytes this system has been tested for have been detected at least once, across 383 samples on record.

The other 32 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 383 samples on record, detections range from July 20, 1993 to July 22, 2026. These figures cover the whole record; the list of samples further down is narrowed.

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 East Chickasaw W/A #2, 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 117 of 143 results Jul 20, 1993 Jun 10, 2025
Lead 1030 Inorganic Chemical 60 of 143 results Jul 20, 1993 Jun 10, 2025
Barium 1010 Inorganic Chemical 33 of 33 results Mar 12, 2002 Jan 13, 2025
Fluoride 1025 Inorganic Chemical 31 of 33 results Mar 12, 2002 Jan 13, 2025
Chromium 1020 Inorganic Chemical 20 of 33 results Mar 12, 2002 Jan 13, 2025
Nickel 1036 Inorganic Chemical 18 of 33 results Jan 12, 2004 Jan 13, 2025
Arsenic 1005 Inorganic Chemical 13 of 33 results Jan 12, 2004 Jan 13, 2025
TTHM 2950 Organic Chemical 12 of 21 results Jul 9, 2007 Jul 22, 2026
Selenium 1045 Inorganic Chemical 12 of 33 results Sep 8, 2003 Mar 24, 2008
Bromoform 2942 Organic Chemical 11 of 15 results Jul 9, 2007 Jul 22, 2026
Sodium 1052 Inorganic Chemical 9 of 9 results Sep 18, 2019 Oct 14, 2024
Nitrite 1041 Inorganic Chemical 6 of 68 results Jul 18, 2005 Jan 10, 2022
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 6 of 22 results Jul 9, 2007 Aug 23, 2021
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 15 results Mar 5, 2012 Oct 2, 2012
Sulfate 1055 Inorganic Chemical 4 of 6 results Mar 12, 2002 Jan 12, 2004
Nitrate-Nitrite 1038 Inorganic Chemical 3 of 68 results May 3, 2004 May 5, 2008
Cadmium 1015 Inorganic Chemical 3 of 33 results Feb 14, 2005 Feb 14, 2005
Dibromochloromethane 2944 Organic Chemical 2 of 15 results Feb 13, 2024 Jul 30, 2024
Monochloroacetic Acid 2450 Organic Chemical 2 of 16 results Jul 16, 2018 Jul 13, 2020
Xylenes, Total 2955 Organic Chemical 2 of 39 results Jun 26, 2012 Jun 2, 2014
Nitrate 1040 Inorganic Chemical 2 of 68 results May 3, 2004 May 5, 2008
Dibromoacetic Acid 2454 Organic Chemical 1 of 16 results Jul 30, 2024 Jul 30, 2024
Carbon Tetrachloride 2982 Organic Chemical 1 of 39 results Feb 26, 2024 Feb 26, 2024
Dichloroacetic Acid 2451 Organic Chemical 1 of 16 results Jul 11, 2011 Jul 11, 2011
Cyanide 1024 Inorganic Chemical 1 of 30 results Jun 27, 2011 Jun 27, 2011

Showing samples collected between September 25, 2024 and September 25, 2026. That is this page’s default, not a limit on what the agency records.

Show every sample on record

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The most recent samples, result by result

The table below lists 11–20 of 24 samples, newest first — collected January 13, 2025 to June 9, 2025. The summary above covers all 24.

38 results from the 10 samples listed here: 12 detected, 26 not detected. Across the whole record it is 375 of 1,976. 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 2 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 East Chickasaw W/A #2, every result from 11 to 20 of 24 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
Jun 9, 2025 09:50
Sampling point
LC002 Location withheld
Sample type
Routine
Lab sample
PB-250611-042
Laboratory
MSDH Lab
0.269 mg/l , sample collected Jun 9, 2025 09:50, sampling point LC002 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 9, 2025 09:50, sampling point LC002 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jun 9, 2025 10:54
Sampling point
LC011 Location withheld
Sample type
Routine
Lab sample
PB-250611-041
Laboratory
MSDH Lab
0.15 mg/l , sample collected Jun 9, 2025 10:54, sampling point LC011 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 9, 2025 10:54, sampling point LC011 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
May 19, 2025 12:39
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
CN-250520-015
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 19, 2025 12:39, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
May 19, 2025 12:05
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
CN-250520-013
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 19, 2025 12:05, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
May 19, 2025 12:19
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
CN-250520-014
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 19, 2025 12:19, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Jan 27, 2025 13:02
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NI-250128-053
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 27, 2025 13:02, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 27, 2025 13:02, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 27, 2025 13:02, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Jan 27, 2025 12:41
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-250128-052
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 27, 2025 12:41, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 27, 2025 12:41, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 27, 2025 12:41, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Jan 27, 2025 12:52
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-250128-051
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 27, 2025 12:52, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 27, 2025 12:52, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 27, 2025 12:52, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Jan 13, 2025 12:46
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
IN-250114-007
Laboratory
MSDH Lab
0.0009 mg/l , sample collected Jan 13, 2025 12:46, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0643 mg/l , sample collected Jan 13, 2025 12:46, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 13, 2025 12:46, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0026 mg/l , sample collected Jan 13, 2025 12:46, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.161 mg/l , sample collected Jan 13, 2025 12:46, sampling point TF103 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 13, 2025 12:46, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0018 mg/l , sample collected Jan 13, 2025 12:46, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Jan 13, 2025 12:46, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 13, 2025 12:46, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 13, 2025 12:46, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 13, 2025 12:46, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jan 13, 2025 12:08
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
IN-250114-005
Laboratory
MSDH Lab
0.0009 mg/l , sample collected Jan 13, 2025 12:08, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0578 mg/l , sample collected Jan 13, 2025 12:08, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 13, 2025 12:08, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0032 mg/l , sample collected Jan 13, 2025 12:08, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.193 mg/l , sample collected Jan 13, 2025 12:08, sampling point TF102 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 13, 2025 12:08, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.002 mg/l , sample collected Jan 13, 2025 12:08, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Jan 13, 2025 12:08, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 13, 2025 12:08, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 13, 2025 12:08, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 13, 2025 12:08, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025

Routine (10).