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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 1,825 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 1,825 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 58 results Feb 18, 2009 Nov 14, 2019
Radium-226 4020 Radionuclide 12 of 57 results Jun 25, 2009 Nov 14, 2019
Radium-228 4030 Radionuclide 12 of 57 results Feb 18, 2009 Nov 14, 2019
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 24 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 3 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 511–520 of 1,825 samples, newest first — collected June 10, 2015 to July 27, 2015. The summary above covers all 1,825.

64 results from the 10 samples listed here: 18 detected, 46 not detected. Across the whole record it is 2,602 of 9,314. 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 City of Biloxi, every result from 511 to 520 of 1,825 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
Jul 27, 2015 12:30
Sampling point
SM3 Location withheld
Sample type
Routine
Lab sample
150728-007TH
Laboratory
MSDH Lab
28 ug/l , sample collected Jul 27, 2015 12:30, sampling point SM3 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 27, 2015 12:30, sampling point SM3 Bromoform 2942 EPA method 524.2 Not recorded
8.98 ug/l , sample collected Jul 27, 2015 12:30, sampling point SM3 Bromodichloromethane 2943 EPA method 524.2 Not recorded
2.91 ug/l , sample collected Jul 27, 2015 12:30, sampling point SM3 Dibromochloromethane 2944 EPA method 524.2 Not recorded
40 ug/l , sample collected Jul 27, 2015 12:30, sampling point SM3 TTHM 2950 EPA method 524.2 Jul 1, 2015 – Sep 30, 2015
Collected
Jul 27, 2015 01:15
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
150728-006TH
Laboratory
MSDH Lab
8.1 ug/l , sample collected Jul 27, 2015 01:15, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 27, 2015 01:15, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
4.74 ug/l , sample collected Jul 27, 2015 01:15, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
2.42 ug/l , sample collected Jul 27, 2015 01:15, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
15.3 ug/l , sample collected Jul 27, 2015 01:15, sampling point SM1 TTHM 2950 EPA method 524.2 Jul 1, 2015 – Sep 30, 2015
Collected
Jun 30, 2015 02:50
Sampling point
TF118
Sample type
Routine
Lab sample
150701-004VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:50, sampling point TF118 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:50, sampling point TF118 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:50, sampling point TF118 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:50, sampling point TF118 Dichloromethane 2964 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:50, sampling point TF118 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:50, sampling point TF118 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:50, sampling point TF118 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:50, sampling point TF118 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:50, sampling point TF118 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:50, sampling point TF118 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:50, sampling point TF118 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:50, sampling point TF118 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:50, sampling point TF118 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:50, sampling point TF118 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:50, sampling point TF118 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:50, sampling point TF118 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:50, sampling point TF118 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:50, sampling point TF118 Benzene 2990 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:50, sampling point TF118 Toluene 2991 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:50, sampling point TF118 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:50, sampling point TF118 Styrene 2996 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Collected
Jun 30, 2015 02:25
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
150701-003VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:25, sampling point TF105 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:25, sampling point TF105 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:25, sampling point TF105 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:25, sampling point TF105 Dichloromethane 2964 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:25, sampling point TF105 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:25, sampling point TF105 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:25, sampling point TF105 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:25, sampling point TF105 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:25, sampling point TF105 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:25, sampling point TF105 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:25, sampling point TF105 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:25, sampling point TF105 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:25, sampling point TF105 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:25, sampling point TF105 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:25, sampling point TF105 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:25, sampling point TF105 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:25, sampling point TF105 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:25, sampling point TF105 Benzene 2990 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:25, sampling point TF105 Toluene 2991 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:25, sampling point TF105 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2015 02:25, sampling point TF105 Styrene 2996 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Collected
Jun 10, 2015 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150612-019PB
Laboratory
MSDH Lab
0.0398 mg/l , sample collected Jun 10, 2015 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0036 mg/l , sample collected Jun 10, 2015 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 10, 2015 05:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150612-018PB
Laboratory
MSDH Lab
0.0115 mg/l , sample collected Jun 10, 2015 05:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0027 mg/l , sample collected Jun 10, 2015 05:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 10, 2015 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150611-029PB
Laboratory
MSDH Lab
0.0066 mg/l , sample collected Jun 10, 2015 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0018 mg/l , sample collected Jun 10, 2015 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 10, 2015 06:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150611-028PB
Laboratory
MSDH Lab
0.0053 mg/l , sample collected Jun 10, 2015 06:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2015 06:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 10, 2015 06:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150611-059PB
Laboratory
MSDH Lab
0.0094 mg/l , sample collected Jun 10, 2015 06:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0015 mg/l , sample collected Jun 10, 2015 06:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 10, 2015 09:13
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150611-058PB
Laboratory
MSDH Lab
0.0178 mg/l , sample collected Jun 10, 2015 09:13, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2015 09:13, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017

Routine (10).