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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 410 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 410 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 66 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 51–60 of 410 samples, newest first — collected January 23, 2023 to August 7, 2023. The summary above covers all 410.

10 results from the 10 samples listed here: 4 detected, 6 not detected. Across the whole record it is 431 of 1,571. 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 Southeast Chickasaw W/A #1, every result from 51 to 60 of 410 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
Aug 7, 2023 12:10
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
HA-230808-016
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 7, 2023 12:10, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jul 1, 2023 – Sep 30, 2023
Collected
Aug 7, 2023 12:45
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
HA-230808-015
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 7, 2023 12:45, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jul 1, 2023 – Sep 30, 2023
Collected
Apr 11, 2023 13:33
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
HA-230412-008
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Apr 11, 2023 13:33, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Apr 1, 2023 – Jun 30, 2023
Collected
Apr 11, 2023 13:02
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
HA-230412-007
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Apr 11, 2023 13:02, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Apr 1, 2023 – Jun 30, 2023
Collected
Apr 11, 2023 13:33
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
TH-230412-008
Laboratory
MSDH Lab
1.67 ug/l , sample collected Apr 11, 2023 13:33, sampling point SM2 TTHM 2950 EPA method 524.2 Apr 1, 2023 – Jun 30, 2023
Collected
Apr 11, 2023 13:01
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
TH-230412-007
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Apr 11, 2023 13:01, sampling point SM1 TTHM 2950 EPA method 524.2 Apr 1, 2023 – Jun 30, 2023
Collected
Mar 20, 2023 13:47
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-230321-007
Laboratory
MSDH Lab
1.44 ug/l , sample collected Mar 20, 2023 13:47, sampling point MRT000 TTHM 2950 EPA method 524.2 Not recorded
Collected
Mar 20, 2023 13:47
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-230321-007
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Mar 20, 2023 13:47, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
Jan 23, 2023 12:25
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
TH-230124-004
Laboratory
MSDH Lab
2.38 ug/l , sample collected Jan 23, 2023 12:25, sampling point SM2 TTHM 2950 EPA method 524.2 Jan 1, 2023 – Mar 31, 2023
Collected
Jan 23, 2023 13:26
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
TH-230124-003
Laboratory
MSDH Lab
1.96 ug/l , sample collected Jan 23, 2023 13:26, sampling point SM1 TTHM 2950 EPA method 524.2 Jan 1, 2023 – Mar 31, 2023

Routine (10).