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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

MS0230015 , Stennis Space Center

46 of the 76 analytes this system has been tested for have been detected at least once, across 849 samples on record.

The other 30 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 849 samples on record, detections range from August 11, 1992 to August 4, 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 Stennis Space Center, 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
Lead 1030 Inorganic Chemical 237 of 368 results Aug 11, 1992 Aug 12, 2024
Copper, Free 1022 Inorganic Chemical 233 of 368 results Aug 11, 1992 Aug 12, 2024
TTHM 2950 Organic Chemical 92 of 92 results May 26, 2004 Aug 4, 2026
Chloroform 2941 Organic Chemical 84 of 84 results Sep 6, 2006 Aug 4, 2026
Bromodichloromethane 2943 Organic Chemical 81 of 84 results Sep 6, 2006 Aug 4, 2026
Dibromochloromethane 2944 Organic Chemical 81 of 84 results Sep 6, 2006 Aug 4, 2026
Fluoride 1025 Inorganic Chemical 51 of 51 results Jun 25, 2002 Apr 9, 2025
Barium 1010 Inorganic Chemical 48 of 48 results Jun 25, 2002 Apr 9, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 37 of 37 results Aug 2, 2004 Apr 21, 2026
Dichloroacetic Acid 2451 Organic Chemical 28 of 28 results Jun 23, 2008 Apr 21, 2026
Trichloroacetic Acid 2452 Organic Chemical 28 of 28 results Jun 23, 2008 Apr 21, 2026
Chromium 1020 Inorganic Chemical 27 of 48 results Jun 25, 2002 Apr 9, 2025
Sodium 1052 Inorganic Chemical 15 of 15 results Jun 12, 2008 Jan 30, 2024
Nickel 1036 Inorganic Chemical 12 of 48 results Apr 7, 2008 Apr 9, 2025
Sulfate 1055 Inorganic Chemical 11 of 11 results Jun 25, 2002 Feb 18, 2010
Gross Alpha, Incl. Radon & U 4002 Radionuclide 7 of 8 results Mar 5, 2012 Jan 29, 2020
Dibromoacetic Acid 2454 Organic Chemical 6 of 28 results Sep 8, 2009 Jun 25, 2014
Gross Alpha Particle Activity 4109 Radionuclide 6 of 9 results Jun 19, 2012 Jan 15, 2013
Monochloroacetic Acid 2450 Organic Chemical 5 of 28 results Jun 9, 2009 Dec 7, 2009
Arsenic 1005 Inorganic Chemical 4 of 48 results Nov 28, 2011 Apr 9, 2025
Cyanide 1024 Inorganic Chemical 3 of 61 results Nov 28, 2011 Jul 10, 2023
Nitrate-Nitrite 1038 Inorganic Chemical 3 of 104 results Jun 2, 2008 Feb 2, 2011
Nitrate 1040 Inorganic Chemical 3 of 104 results Jun 2, 2008 Feb 2, 2011
Calcium 1016 Inorganic Chemical 3 of 3 results Jun 12, 2008 Feb 18, 2010
Chloride 1017 Inorganic Chemical 3 of 3 results Jun 12, 2008 Feb 18, 2010
Manganese 1032 Inorganic Chemical 3 of 3 results Jun 12, 2008 Feb 18, 2010
Potassium 1042 Inorganic Chemical 3 of 3 results Jun 12, 2008 Feb 18, 2010
Residue, Total, Filterable 1057 Water Quality 3 of 3 results Jun 12, 2008 Feb 18, 2010
Alkalinity, Caco3 Stability 1067 Water Quality 3 of 3 results Jun 12, 2008 Feb 18, 2010
Carbon Dioxide 1901 Water Quality 3 of 3 results Jun 12, 2008 Feb 18, 2010
Color 1905 Water Quality 3 of 3 results Jun 12, 2008 Feb 18, 2010
Hardness, Total (As Caco3) 1915 Water Quality 3 of 3 results Jun 12, 2008 Feb 18, 2010
PH 1925 Water Quality 3 of 3 results Jun 12, 2008 Feb 18, 2010
Alkalinity, Total 1927 Water Quality 3 of 3 results Jun 12, 2008 Feb 18, 2010
Calculated Sodium NACA Water Quality 3 of 3 results Jun 12, 2008 Feb 18, 2010
Carbon Tetrachloride 2982 Organic Chemical 2 of 77 results Jul 20, 2004 Mar 13, 2023
Radium-226 4020 Radionuclide 2 of 15 results Dec 8, 2015 Jan 29, 2020
Styrene 2996 Organic Chemical 2 of 77 results Sep 29, 2005 Jun 4, 2018
Nitrite 1041 Inorganic Chemical 2 of 104 results Aug 10, 2005 Feb 1, 2012
PH, Field Result PHFD Water Quality 2 of 2 results Jun 12, 2008 Jun 12, 2008
Cadmium 1015 Inorganic Chemical 2 of 48 results Mar 9, 2005 Mar 9, 2005
Selenium 1045 Inorganic Chemical 2 of 48 results Mar 9, 2005 Mar 9, 2005
Xylenes, Total 2955 Organic Chemical 1 of 77 results Jun 4, 2018 Jun 4, 2018
Combined Radium (-226 & -228) 4010 Radionuclide 1 of 15 results Dec 8, 2015 Dec 8, 2015
Iron 1028 Inorganic Chemical 1 of 3 results Feb 18, 2010 Feb 18, 2010
Magnesium 1031 Inorganic Chemical 1 of 3 results Feb 18, 2010 Feb 18, 2010

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 411–420 of 849 samples, newest first — collected August 5, 2009 to August 5, 2009. The summary above covers all 849.

20 results from the 10 samples listed here: 17 detected, 3 not detected. Across the whole record it is 1,156 of 4,041. 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 Stennis Space Center, every result from 411 to 420 of 849 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 5, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090806-115PB
Laboratory
MSDH Lab
0.0531 mg/l , sample collected Aug 5, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 5, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Aug 5, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090806-114PB
Laboratory
MSDH Lab
0.02 mg/l , sample collected Aug 5, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.0013 mg/l , sample collected Aug 5, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Aug 5, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090806-113PB
Laboratory
MSDH Lab
0.0845 mg/l , sample collected Aug 5, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.0011 mg/l , sample collected Aug 5, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Aug 5, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090806-112PB
Laboratory
MSDH Lab
0.049 mg/l , sample collected Aug 5, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.0035 mg/l , sample collected Aug 5, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Aug 5, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090806-111PB
Laboratory
MSDH Lab
0.0788 mg/l , sample collected Aug 5, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 5, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Aug 5, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090806-110PB
Laboratory
MSDH Lab
0.3942 mg/l , sample collected Aug 5, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.0031 mg/l , sample collected Aug 5, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Aug 5, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090806-109PB
Laboratory
MSDH Lab
0.0188 mg/l , sample collected Aug 5, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.0033 mg/l , sample collected Aug 5, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Aug 5, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090806-108PB
Laboratory
MSDH Lab
0.0332 mg/l , sample collected Aug 5, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.0015 mg/l , sample collected Aug 5, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Aug 5, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090806-107PB
Laboratory
MSDH Lab
0.0419 mg/l , sample collected Aug 5, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 5, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Aug 5, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090806-106PB
Laboratory
MSDH Lab
0.0715 mg/l , sample collected Aug 5, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.0009 mg/l , sample collected Aug 5, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010

Routine (10).