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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

MS0300010 , Ingalls Shipbuilding

39 of the 68 analytes this system has been tested for have been detected at least once, across 785 samples on record.

The other 29 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 785 samples on record, detections range from February 5, 2002 to December 10, 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 Ingalls Shipbuilding, 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
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 232 of 232 results Mar 10, 2004 Oct 29, 2025
TTHM 2950 Organic Chemical 230 of 230 results Mar 10, 2004 Dec 10, 2025
Copper, Free 1022 Inorganic Chemical 220 of 220 results Jun 22, 2004 Jul 28, 2024
Chloroform 2941 Organic Chemical 165 of 165 results Aug 17, 2006 Dec 10, 2025
Lead 1030 Inorganic Chemical 165 of 220 results Jun 22, 2004 Jul 28, 2024
Bromodichloromethane 2943 Organic Chemical 164 of 165 results Aug 17, 2006 Dec 10, 2025
Dibromochloromethane 2944 Organic Chemical 164 of 165 results Aug 17, 2006 Dec 10, 2025
Bromoform 2942 Organic Chemical 163 of 165 results Aug 17, 2006 Dec 10, 2025
Trichloroacetic Acid 2452 Organic Chemical 156 of 158 results Jan 22, 2008 Oct 29, 2025
Dibromoacetic Acid 2454 Organic Chemical 156 of 158 results Jan 22, 2008 Oct 29, 2025
Dichloroacetic Acid 2451 Organic Chemical 154 of 158 results Jan 22, 2008 Oct 29, 2025
Monochloroacetic Acid 2450 Organic Chemical 39 of 158 results Jan 22, 2008 Nov 21, 2019
Fluoride 1025 Inorganic Chemical 23 of 23 results Feb 5, 2002 Feb 11, 2025
Barium 1010 Inorganic Chemical 20 of 20 results Feb 5, 2002 Feb 11, 2025
Monobromoacetic Acid 2453 Organic Chemical 14 of 158 results May 9, 2011 Oct 21, 2020
Chromium 1020 Inorganic Chemical 9 of 20 results Feb 5, 2002 May 17, 2022
Arsenic 1005 Inorganic Chemical 8 of 20 results Feb 8, 2006 Feb 11, 2025
Selenium 1045 Inorganic Chemical 8 of 20 results Mar 14, 2005 May 17, 2022
Nickel 1036 Inorganic Chemical 4 of 20 results Mar 14, 2005 May 10, 2010
Calcium 1016 Inorganic Chemical 3 of 3 results Jun 2, 2017 Jun 2, 2017
Chloride 1017 Inorganic Chemical 3 of 3 results Jun 2, 2017 Jun 2, 2017
Iron 1028 Inorganic Chemical 3 of 3 results Jun 2, 2017 Jun 2, 2017
Magnesium 1031 Inorganic Chemical 3 of 3 results Jun 2, 2017 Jun 2, 2017
Manganese 1032 Inorganic Chemical 3 of 3 results Jun 2, 2017 Jun 2, 2017
Potassium 1042 Inorganic Chemical 3 of 3 results Jun 2, 2017 Jun 2, 2017
Sodium 1052 Inorganic Chemical 3 of 3 results Jun 2, 2017 Jun 2, 2017
Alkalinity, Caco3 Stability 1067 Water Quality 3 of 3 results Jun 2, 2017 Jun 2, 2017
Carbon Dioxide 1901 Water Quality 3 of 3 results Jun 2, 2017 Jun 2, 2017
Color 1905 Water Quality 3 of 3 results Jun 2, 2017 Jun 2, 2017
Hardness, Total (As Caco3) 1915 Water Quality 3 of 3 results Jun 2, 2017 Jun 2, 2017
Alkalinity, Total 1927 Water Quality 3 of 3 results Jun 2, 2017 Jun 2, 2017
Calculated Sodium NACA Water Quality 3 of 3 results Jun 2, 2017 Jun 2, 2017
PH, Field Result PHFD Water Quality 3 of 3 results Jun 2, 2017 Jun 2, 2017
Sulfate 1055 Inorganic Chemical 3 of 10 results Sep 22, 2003 Sep 22, 2003
Residue, Total, Filterable 1057 Water Quality 2 of 2 results Jun 2, 2017 Jun 2, 2017
Carbon Tetrachloride 2982 Organic Chemical 2 of 27 results Mar 1, 2007 Mar 1, 2007
Nitrate-Nitrite 1038 Inorganic Chemical 1 of 30 results Aug 9, 2010 Aug 9, 2010
Nitrate 1040 Inorganic Chemical 1 of 30 results Aug 9, 2010 Aug 9, 2010
Nitrite 1041 Inorganic Chemical 1 of 30 results Apr 23, 2007 Apr 23, 2007

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 671–680 of 785 samples, newest first — collected September 13, 2007 to September 13, 2007. The summary above covers all 785.

20 results from the 10 samples listed here: 16 detected, 4 not detected. Across the whole record it is 2,146 of 3,312. 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 Ingalls Shipbuilding, every result from 671 to 680 of 785 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
Sep 13, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070914-262PB
Laboratory
MSDH Lab
0.0094 mg/l , sample collected Sep 13, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 13, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Sep 13, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070914-261PB
Laboratory
MSDH Lab
0.0712 mg/l , sample collected Sep 13, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.0022 mg/l , sample collected Sep 13, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Sep 13, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070914-260PB
Laboratory
MSDH Lab
0.2026 mg/l , sample collected Sep 13, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.0008 mg/l , sample collected Sep 13, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Sep 13, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070914-259PB
Laboratory
MSDH Lab
0.0076 mg/l , sample collected Sep 13, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 13, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Sep 13, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070914-258PB
Laboratory
MSDH Lab
0.2245 mg/l , sample collected Sep 13, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.0022 mg/l , sample collected Sep 13, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Sep 13, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070914-257PB
Laboratory
MSDH Lab
0.2656 mg/l , sample collected Sep 13, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.0024 mg/l , sample collected Sep 13, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Sep 13, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070914-256PB
Laboratory
MSDH Lab
0.0337 mg/l , sample collected Sep 13, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 13, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Sep 13, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070914-255PB
Laboratory
MSDH Lab
0.0256 mg/l , sample collected Sep 13, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.0021 mg/l , sample collected Sep 13, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Sep 13, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070914-254PB
Laboratory
MSDH Lab
0.5165 mg/l , sample collected Sep 13, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.0007 mg/l , sample collected Sep 13, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Sep 13, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070914-253PB
Laboratory
MSDH Lab
0.0589 mg/l , sample collected Sep 13, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 13, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007

Routine (10).