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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.

Arsenic results

MS0300010 , Ingalls Shipbuilding

20 samples have been analysed for Arsenic at Ingalls Shipbuilding.

This is one analyte out of the system’s whole record. For what has ever been detected here, and when, see all chemical and radiological results; for everything the system is tested for, see the analyte list.

What counts as a non-detect is defined in the help: Less than Indicator. This system’s violations.

No date range is applied: this list draws on every sample on record. Show the last two years only.

Every Arsenic result

The table below lists 1–10 of 20 samples, newest first — collected February 8, 2006 to February 11, 2025.

10 Arsenic results from the 10 samples listed here: 8 detected, 2 not detected. Those samples also carried 103 results for other analytes, which are on the full results page.

Arsenic results for Ingalls Shipbuilding, from 1 to 10 of 20 samples shown analysed for it, newest first. This view leaves out other analytes on the same samples. Not detected means the amount was below the level the laboratory can reliably report, which is given beside it.
Result Analyte Monitoring period
Collected
Feb 11, 2025 11:56
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-250212-052
Laboratory
MSDH Lab
0.0008 mg/l , sample collected Feb 11, 2025 11:56, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
May 17, 2022 10:12
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-220518-010
Laboratory
MSDH Lab
0.0012 mg/l , sample collected May 17, 2022 10:12, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Mar 27, 2019 13:40
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
190328-027IN
Laboratory
MSDH Lab
0.001 mg/l , sample collected Mar 27, 2019 13:40, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Apr 8, 2015 12:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
150409-070IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 8, 2015 12:00, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Apr 11, 2012 01:55
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120412-115IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 11, 2012 01:55, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Collected
May 10, 2010
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
100511-044IN
Laboratory
MSDH Lab
0.0011 mg/l , sample collected May 10, 2010, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Nov 11, 2009
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
091112-014IN
Laboratory
MSDH Lab
0.000713 mg/l , sample collected Nov 11, 2009, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Feb 8, 2006
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
060209-021IN
Laboratory
MSDH Lab
0.000705 mg/l , sample collected Feb 8, 2006, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Feb 8, 2006
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
060209-022IN
Laboratory
MSDH Lab
0.000743 mg/l , sample collected Feb 8, 2006, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Feb 8, 2006
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
060209-023IN
Laboratory
MSDH Lab
0.000832 mg/l , sample collected Feb 8, 2006, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007

Routine (10).