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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

MS0180008 , City of Hattiesburg

44 of the 76 analytes this system has been tested for have been detected at least once, across 1,045 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 1,045 samples on record, detections range from July 21, 1992 to December 1, 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 City of Hattiesburg, 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 327 of 478 results Jul 21, 1992 Nov 29, 2023
Lead 1030 Inorganic Chemical 299 of 479 results Jul 21, 1992 Nov 29, 2023
TTHM 2950 Organic Chemical 87 of 89 results Mar 17, 2004 Oct 16, 2025
Chloroform 2941 Organic Chemical 66 of 73 results Jul 27, 2006 Oct 16, 2025
Barium 1010 Inorganic Chemical 59 of 59 results May 14, 2002 Dec 1, 2025
Bromodichloromethane 2943 Organic Chemical 56 of 73 results Jul 27, 2006 Oct 16, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 56 of 89 results Mar 20, 2006 Mar 19, 2024
Dichloroacetic Acid 2451 Organic Chemical 53 of 64 results Jan 23, 2008 Aug 26, 2020
Fluoride 1025 Inorganic Chemical 51 of 59 results May 14, 2002 Dec 1, 2025
Dibromochloromethane 2944 Organic Chemical 44 of 73 results Jul 27, 2006 Oct 16, 2025
Trichloroacetic Acid 2452 Organic Chemical 34 of 64 results Jan 23, 2008 Aug 26, 2020
Chromium 1020 Inorganic Chemical 33 of 59 results May 14, 2002 Jan 25, 2021
Nickel 1036 Inorganic Chemical 30 of 59 results Jan 28, 2004 Dec 1, 2025
Combined Radium (-226 & -228) 4010 Radionuclide 22 of 31 results Dec 29, 2008 Oct 2, 2012
Radium-226 4020 Radionuclide 20 of 32 results Jan 26, 2009 Oct 2, 2012
Gross Alpha, Incl. Radon & U 4002 Radionuclide 15 of 15 results Mar 7, 2012 Oct 2, 2012
Monochloroacetic Acid 2450 Organic Chemical 10 of 64 results Apr 16, 2014 Jul 31, 2017
Sulfate 1055 Inorganic Chemical 10 of 10 results May 14, 2002 Jan 28, 2004
Sodium 1052 Inorganic Chemical 9 of 9 results Jun 9, 2008 Jan 31, 2024
Monobromoacetic Acid 2453 Organic Chemical 6 of 64 results Apr 22, 2008 Jun 5, 2018
Radium-228 4030 Radionuclide 6 of 31 results Dec 29, 2008 Nov 3, 2009
Selenium 1045 Inorganic Chemical 6 of 59 results Feb 28, 2005 Jan 25, 2006
Gross Alpha, Excl. Radon & U 4000 Radionuclide 5 of 16 results Jan 26, 2009 Nov 3, 2009
Gross Alpha Particle Activity 4109 Radionuclide 5 of 16 results Jan 26, 2009 Nov 3, 2009
Cadmium 1015 Inorganic Chemical 5 of 59 results Jan 25, 2006 Jan 25, 2006
Gross Beta Particle Activity 4100 Radionuclide 4 of 4 results Jun 22, 2009 Nov 3, 2009
Nitrite 1041 Inorganic Chemical 3 of 134 results Jan 31, 2024 Feb 19, 2025
Xylenes, Total 2955 Organic Chemical 3 of 84 results Apr 22, 2008 Jan 21, 2010
Nitrate-Nitrite 1038 Inorganic Chemical 1 of 134 results Feb 19, 2025 Feb 19, 2025
Calcium 1016 Inorganic Chemical 1 of 1 result Jun 9, 2008 Jun 9, 2008
Magnesium 1031 Inorganic Chemical 1 of 1 result Jun 9, 2008 Jun 9, 2008
Manganese 1032 Inorganic Chemical 1 of 1 result Jun 9, 2008 Jun 9, 2008
Potassium 1042 Inorganic Chemical 1 of 1 result Jun 9, 2008 Jun 9, 2008
Residue, Total, Filterable 1057 Water Quality 1 of 1 result Jun 9, 2008 Jun 9, 2008
Alkalinity, Caco3 Stability 1067 Water Quality 1 of 1 result Jun 9, 2008 Jun 9, 2008
Carbon Dioxide 1901 Water Quality 1 of 1 result Jun 9, 2008 Jun 9, 2008
Color 1905 Water Quality 1 of 1 result Jun 9, 2008 Jun 9, 2008
Hardness, Total (As Caco3) 1915 Water Quality 1 of 1 result Jun 9, 2008 Jun 9, 2008
PH 1925 Water Quality 1 of 1 result Jun 9, 2008 Jun 9, 2008
Alkalinity, Total 1927 Water Quality 1 of 1 result Jun 9, 2008 Jun 9, 2008
Iron, Field Result FEFD Inorganic Chemical 1 of 1 result Jun 9, 2008 Jun 9, 2008
Calculated Sodium NACA Water Quality 1 of 1 result Jun 9, 2008 Jun 9, 2008
PH, Field Result PHFD Water Quality 1 of 1 result Jun 9, 2008 Jun 9, 2008
Dichloromethane 2964 Organic Chemical 1 of 84 results Jun 28, 2002 Jun 28, 2002

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 101–110 of 1,045 samples, newest first — collected February 10, 2021 to August 31, 2021. The summary above covers all 1,045.

10 results from the 10 samples listed here: 4 detected, 6 not detected. Across the whole record it is 1,340 of 4,834. 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 City of Hattiesburg, every result from 101 to 110 of 1,045 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 31, 2021 15:20
Sampling point
SM1 WTP 1
Sample type
Routine
Lab sample
TH-210901-007
Laboratory
MSDH Lab
18 ug/l , sample collected Aug 31, 2021 15:20, sampling point SM1 TTHM 2950 EPA method 524.2 Not recorded
Collected
May 12, 2021 14:00
Sampling point
TF120
Sample type
Routine
Lab sample
CN-210513-048
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 12, 2021 14:00, sampling point TF120 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
May 12, 2021 14:35
Sampling point
TF111 Treatment Plant T111
Sample type
Routine
Lab sample
CN-210513-049
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 12, 2021 14:35, sampling point TF111 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
May 12, 2021 14:50
Sampling point
TF112 Treatment Plant T112
Sample type
Routine
Lab sample
CN-210513-050
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 12, 2021 14:50, sampling point TF112 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
May 12, 2021 15:15
Sampling point
TF082 Methodist Hospital
Sample type
Routine
Lab sample
CN-210513-051
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 12, 2021 15:15, sampling point TF082 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
May 12, 2021 13:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
CN-210513-047
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 12, 2021 13:30, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
May 12, 2021 15:45
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
CN-210513-046
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 12, 2021 15:45, sampling point TF081 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
Feb 10, 2021 14:32
Sampling point
TF120
Sample type
Routine
Lab sample
NA-210211-010
Laboratory
MSDH Lab
16.4 mg/l , sample collected Feb 10, 2021 14:32, sampling point TF120 Sodium 1052 EPA method 200.7 Not recorded
Collected
Feb 10, 2021 14:06
Sampling point
TF082 Methodist Hospital
Sample type
Routine
Lab sample
NA-210211-009
Laboratory
MSDH Lab
23 mg/l , sample collected Feb 10, 2021 14:06, sampling point TF082 Sodium 1052 EPA method 200.7 Not recorded
Collected
Feb 10, 2021 15:22
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
NA-210211-008
Laboratory
MSDH Lab
12.6 mg/l , sample collected Feb 10, 2021 15:22, sampling point TF081 Sodium 1052 EPA method 200.7 Not recorded

Routine (10).