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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

MS0240001 , City of Biloxi

51 of the 75 analytes this system has been tested for have been detected at least once, across 1,824 samples on record.

The other 24 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 1,824 samples on record, detections range from August 11, 1992 to June 25, 2026. 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 Biloxi, 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 616 of 692 results Aug 11, 1992 Jul 11, 2024
Lead 1030 Inorganic Chemical 502 of 692 results Aug 11, 1992 Jul 11, 2024
Fluoride 1025 Inorganic Chemical 148 of 148 results Jun 25, 2002 Jun 25, 2026
Barium 1010 Inorganic Chemical 144 of 145 results Jun 25, 2002 Feb 10, 2025
TTHM 2950 Organic Chemical 121 of 121 results Mar 8, 2004 Apr 28, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 113 of 119 results Aug 2, 2004 Apr 28, 2026
Chloroform 2941 Organic Chemical 103 of 103 results Jul 25, 2006 Apr 28, 2026
Bromodichloromethane 2943 Organic Chemical 99 of 103 results Jul 25, 2006 Apr 28, 2026
Dichloroacetic Acid 2451 Organic Chemical 95 of 97 results Aug 26, 2007 Apr 28, 2026
Trichloroacetic Acid 2452 Organic Chemical 95 of 97 results Aug 26, 2007 Apr 28, 2026
Dibromochloromethane 2944 Organic Chemical 88 of 103 results Jul 25, 2006 Apr 28, 2026
Chromium 1020 Inorganic Chemical 75 of 145 results Jun 25, 2002 Feb 10, 2025
Nickel 1036 Inorganic Chemical 53 of 144 results Jun 25, 2002 Feb 10, 2025
Dibromoacetic Acid 2454 Organic Chemical 51 of 97 results Dec 3, 2007 Apr 28, 2026
Sodium 1052 Inorganic Chemical 39 of 39 results Jan 22, 2010 Jun 25, 2026
Bromoform 2942 Organic Chemical 34 of 103 results Dec 3, 2007 Apr 28, 2026
Selenium 1045 Inorganic Chemical 33 of 145 results Feb 4, 2004 Apr 21, 2014
Sulfate 1055 Inorganic Chemical 30 of 30 results Jun 25, 2002 Oct 18, 2012
Arsenic 1005 Inorganic Chemical 20 of 145 results Mar 7, 2005 Feb 10, 2025
Monochloroacetic Acid 2450 Organic Chemical 18 of 97 results May 5, 2008 Oct 26, 2017
Combined Radium (-226 & -228) 4010 Radionuclide 16 of 57 results Feb 18, 2009 Nov 14, 2019
Radium-226 4020 Radionuclide 12 of 56 results Jun 25, 2009 Nov 14, 2019
Radium-228 4030 Radionuclide 12 of 56 results Feb 18, 2009 Nov 14, 2019
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 23 results Nov 20, 2013 Nov 14, 2019
Cyanide 1024 Inorganic Chemical 8 of 136 results Sep 19, 2011 Jun 16, 2025
Cadmium 1015 Inorganic Chemical 7 of 145 results Mar 7, 2005 Mar 7, 2005
Carbon Tetrachloride 2982 Organic Chemical 5 of 177 results Jun 4, 2007 Apr 12, 2021
Gross Alpha Particle Activity 4109 Radionuclide 3 of 33 results Jun 25, 2009 Mar 12, 2014
Calcium 1016 Inorganic Chemical 3 of 3 results Jan 22, 2010 Oct 18, 2012
Chloride 1017 Inorganic Chemical 3 of 3 results Jan 22, 2010 Oct 18, 2012
Manganese 1032 Inorganic Chemical 3 of 3 results Jan 22, 2010 Oct 18, 2012
Potassium 1042 Inorganic Chemical 3 of 3 results Jan 22, 2010 Oct 18, 2012
Residue, Total, Filterable 1057 Water Quality 3 of 3 results Jan 22, 2010 Oct 18, 2012
Alkalinity, Caco3 Stability 1067 Water Quality 3 of 3 results Jan 22, 2010 Oct 18, 2012
Carbon Dioxide 1901 Water Quality 3 of 3 results Jan 22, 2010 Oct 18, 2012
Color 1905 Water Quality 3 of 3 results Jan 22, 2010 Oct 18, 2012
Hardness, Total (As Caco3) 1915 Water Quality 3 of 3 results Jan 22, 2010 Oct 18, 2012
Alkalinity, Total 1927 Water Quality 3 of 3 results Jan 22, 2010 Oct 18, 2012
Calculated Sodium NACA Water Quality 3 of 3 results Jan 22, 2010 Oct 18, 2012
PH, Field Result PHFD Water Quality 3 of 3 results Jan 22, 2010 Oct 18, 2012
Dichloromethane 2964 Organic Chemical 3 of 177 results Feb 21, 2006 Feb 6, 2007
Iron 1028 Inorganic Chemical 2 of 3 results Jan 22, 2010 Oct 18, 2012
Gross Alpha, Excl. Radon & U 4000 Radionuclide 2 of 30 results Jun 25, 2009 Oct 26, 2009
Gross Beta Particle Activity 4100 Radionuclide 2 of 2 results Jun 25, 2009 Oct 26, 2009
Antimony, Total 1074 Inorganic Chemical 1 of 145 results Apr 25, 2022 Apr 25, 2022
Thallium, Total 1085 Inorganic Chemical 1 of 145 results Apr 22, 2020 Apr 22, 2020
Monobromoacetic Acid 2453 Organic Chemical 1 of 97 results Oct 27, 2014 Oct 27, 2014
Magnesium 1031 Inorganic Chemical 1 of 3 results Jan 22, 2010 Jan 22, 2010
Nitrite 1041 Inorganic Chemical 1 of 302 results Jun 19, 2006 Jun 19, 2006
Nitrate 1040 Inorganic Chemical 1 of 302 results May 12, 2004 May 12, 2004
Xylenes, Total 2955 Organic Chemical 1 of 177 results Aug 18, 2003 Aug 18, 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 81–90 of 1,824 samples, newest first — collected January 30, 2024 to January 30, 2024. The summary above covers all 1,824.

30 results from the 10 samples listed here: 0 detected, 30 not detected. Across the whole record it is 2,602 of 9,309. 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 Biloxi, every result from 81 to 90 of 1,824 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
Jan 30, 2024 14:20
Sampling point
TF118
Sample type
Routine
Lab sample
NI-240131-008
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 14:20, sampling point TF118 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 14:20, sampling point TF118 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 14:20, sampling point TF118 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Jan 30, 2024 12:27
Sampling point
TF117 Treatment Plant T117
Sample type
Routine
Lab sample
NI-240131-003
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 12:27, sampling point TF117 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 12:27, sampling point TF117 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 12:27, sampling point TF117 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Jan 30, 2024 12:13
Sampling point
TF116 Treatment Plant T116
Sample type
Routine
Lab sample
NI-240131-002
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 12:13, sampling point TF116 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 12:13, sampling point TF116 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 12:13, sampling point TF116 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Jan 30, 2024 13:27
Sampling point
TF115 Treatment Plant T115
Sample type
Routine
Lab sample
NI-240131-012
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 13:27, sampling point TF115 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 13:27, sampling point TF115 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 13:27, sampling point TF115 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Jan 30, 2024 14:03
Sampling point
TF114 Treatment Plant T114
Sample type
Routine
Lab sample
NI-240131-010
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 14:03, sampling point TF114 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 14:03, sampling point TF114 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 14:03, sampling point TF114 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Jan 30, 2024 13:38
Sampling point
TF113 Treatment Plant T113
Sample type
Routine
Lab sample
NI-240131-011
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 13:38, sampling point TF113 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 13:38, sampling point TF113 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 13:38, sampling point TF113 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Jan 30, 2024 12:38
Sampling point
TF112 Treatment Plant T112
Sample type
Routine
Lab sample
NI-240131-004
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 12:38, sampling point TF112 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 12:38, sampling point TF112 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 12:38, sampling point TF112 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Jan 30, 2024 14:35
Sampling point
TF111 Treatment Plant T111
Sample type
Routine
Lab sample
NI-240131-009
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 14:35, sampling point TF111 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 14:35, sampling point TF111 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 14:35, sampling point TF111 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Jan 30, 2024 12:52
Sampling point
TF110 Treatment Plant T110
Sample type
Routine
Lab sample
NI-240131-005
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 12:52, sampling point TF110 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 12:52, sampling point TF110 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 12:52, sampling point TF110 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Jan 30, 2024 13:15
Sampling point
TF106 Treatment Plant T106
Sample type
Routine
Lab sample
NI-240131-007
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 13:15, sampling point TF106 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 13:15, sampling point TF106 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 30, 2024 13:15, sampling point TF106 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024

Routine (10).