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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 561–570 of 785 samples, newest first — collected July 22, 2010 to June 20, 2011. The summary above covers all 785.

66 results from the 10 samples listed here: 33 detected, 33 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 561 to 570 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
Jun 20, 2011
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
110621-015VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2011, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2011, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2011, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2011, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2011, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2011, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2011, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2011, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2011, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2011, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2011, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2011, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2011, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2011, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2011, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2011, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2011, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2011, sampling point TF101 Benzene 2990 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2011, sampling point TF101 Toluene 2991 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2011, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2011, sampling point TF101 Styrene 2996 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Collected
May 9, 2011
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
110510-017TH
Laboratory
MSDH Lab
8.93 ug/l , sample collected May 9, 2011, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
3.4 ug/l , sample collected May 9, 2011, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
13.4 ug/l , sample collected May 9, 2011, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
15.8 ug/l , sample collected May 9, 2011, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
41.5 ug/l , sample collected May 9, 2011, sampling point MRT000 TTHM 2950 EPA method 524.2 Apr 1, 2011 – Jun 30, 2011
Collected
May 9, 2011
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
110510-017HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected May 9, 2011, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.005 mg/l , sample collected May 9, 2011, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.007 mg/l , sample collected May 9, 2011, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
0.005 mg/l , sample collected May 9, 2011, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.005 mg/l , sample collected May 9, 2011, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.022 mg/l , sample collected May 9, 2011, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Apr 1, 2011 – Jun 30, 2011
Collected
Feb 14, 2011
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
110215-024NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 14, 2011, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 14, 2011, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 14, 2011, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Collected
Feb 14, 2011
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
110215-010TH
Laboratory
MSDH Lab
10.8 ug/l , sample collected Feb 14, 2011, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
6.43 ug/l , sample collected Feb 14, 2011, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
18.8 ug/l , sample collected Feb 14, 2011, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
26.5 ug/l , sample collected Feb 14, 2011, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
62.5 ug/l , sample collected Feb 14, 2011, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2011 – Mar 31, 2011
Collected
Feb 14, 2011
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
110215-010HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Feb 14, 2011, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.006 mg/l , sample collected Feb 14, 2011, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.007 mg/l , sample collected Feb 14, 2011, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Feb 14, 2011, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.007 mg/l , sample collected Feb 14, 2011, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.02 mg/l , sample collected Feb 14, 2011, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2011 – Mar 31, 2011
Collected
Nov 16, 2010
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
101117-003TH
Laboratory
MSDH Lab
1.52 ug/l , sample collected Nov 16, 2010, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
6.9 ug/l , sample collected Nov 16, 2010, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
3.69 ug/l , sample collected Nov 16, 2010, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
9.77 ug/l , sample collected Nov 16, 2010, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
21.88 ug/l , sample collected Nov 16, 2010, sampling point MRT000 TTHM 2950 EPA method 524.2 Oct 1, 2010 – Dec 31, 2010
Collected
Nov 16, 2010
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
101117-003HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Nov 16, 2010, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.001 mg/l , sample collected Nov 16, 2010, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 16, 2010, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 16, 2010, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.003 mg/l , sample collected Nov 16, 2010, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0 mg/l This result is recorded as a detection, and the figure the agency wrote — "0.00" — is zero to the precision it was written to. Read the zero as "smaller than the written figure resolves", not as "none present". SDWIS holds a separate numeric concentration that Drinking Water Watch does not publish, so this endpoint does not carry it either; no more precise magnitude is available here. , sample collected Nov 16, 2010, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Oct 1, 2010 – Dec 31, 2010
Collected
Aug 9, 2010
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
100810-057NI
Laboratory
MSDH Lab
0.29 mg/l , sample collected Aug 9, 2010, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
0.29 mg/l , sample collected Aug 9, 2010, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Aug 9, 2010, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Collected
Jul 22, 2010
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
100723-006HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Jul 22, 2010, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.008 mg/l , sample collected Jul 22, 2010, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.01 mg/l , sample collected Jul 22, 2010, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 22, 2010, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.004 mg/l , sample collected Jul 22, 2010, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.02 mg/l , sample collected Jul 22, 2010, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jul 1, 2010 – Sep 30, 2010

Routine (10).