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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

MS0090008 , Southeast Chickasaw W/A #1

20 of the 57 analytes this system has been tested for have been detected at least once, across 413 samples on record.

The other 37 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 413 samples on record, detections range from December 30, 1993 to December 8, 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 Southeast Chickasaw W/A #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 118 of 157 results Dec 30, 1993 Jun 10, 2025
Lead 1030 Inorganic Chemical 114 of 157 results Dec 30, 1993 Jun 10, 2025
Barium 1010 Inorganic Chemical 33 of 33 results Sep 8, 2003 Jan 13, 2025
Fluoride 1025 Inorganic Chemical 33 of 33 results Sep 8, 2003 Jan 13, 2025
TTHM 2950 Organic Chemical 22 of 32 results May 10, 2004 Dec 8, 2025
Chromium 1020 Inorganic Chemical 21 of 33 results Jan 12, 2004 Jan 13, 2025
Arsenic 1005 Inorganic Chemical 17 of 33 results Feb 14, 2005 Jan 13, 2025
Selenium 1045 Inorganic Chemical 15 of 33 results Sep 8, 2003 Mar 24, 2008
Nickel 1036 Inorganic Chemical 12 of 33 results Jan 12, 2004 Jan 13, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 9 of 32 results Jul 9, 2007 Jan 23, 2023
Sodium 1052 Inorganic Chemical 8 of 8 results Sep 18, 2019 Oct 14, 2024
Bromoform 2942 Organic Chemical 7 of 8 results Jul 11, 2011 Dec 8, 2025
Dibromochloromethane 2944 Organic Chemical 5 of 8 results Jul 16, 2018 Dec 8, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 15 results Mar 6, 2012 Oct 2, 2012
Nitrite 1041 Inorganic Chemical 3 of 69 results Jan 10, 2022 Jan 10, 2022
Monochloroacetic Acid 2450 Organic Chemical 3 of 7 results Aug 11, 2014 Jul 8, 2019
Cadmium 1015 Inorganic Chemical 3 of 33 results Feb 14, 2005 Feb 14, 2005
Chloroform 2941 Organic Chemical 1 of 8 results Aug 11, 2014 Aug 11, 2014
Cyanide 1024 Inorganic Chemical 1 of 33 results Jun 27, 2011 Jun 27, 2011
Monobromoacetic Acid 2453 Organic Chemical 1 of 7 results Aug 11, 2008 Aug 11, 2008

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 411–413 of 413 samples, newest first — collected December 30, 1993 to December 30, 1993. The summary above covers all 413.

6 results from the 3 samples listed here: 4 detected, 2 not detected. 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 Southeast Chickasaw W/A #1, every result from 411 to 413 of 413 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
Dec 30, 1993
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
940107-029L
Laboratory
MSDH Lab
0.84 mg/l , sample collected Dec 30, 1993, sampling point DS000 Copper, Free 1022 Not recorded
0.033 mg/l , sample collected Dec 30, 1993, sampling point DS000 Lead 1030 Not recorded
Collected
Dec 30, 1993
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
940107-028L
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Method Detection Limit , sample collected Dec 30, 1993, sampling point DS000 Copper, Free 1022 Not recorded
Not detected below 0.001 mg/l Method Detection Limit , sample collected Dec 30, 1993, sampling point DS000 Lead 1030 Not recorded
Collected
Dec 30, 1993
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
940107-027L
Laboratory
MSDH Lab
0.121 mg/l , sample collected Dec 30, 1993, sampling point DS000 Copper, Free 1022 Not recorded
0.012 mg/l , sample collected Dec 30, 1993, sampling point DS000 Lead 1030 Not recorded

Routine (3).