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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.

Trichloroacetic Acid results

MS0300010 , Ingalls Shipbuilding

158 samples have been analysed for Trichloroacetic Acid 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 Trichloroacetic Acid result

The table below lists 1–10 of 158 samples, newest first — collected April 22, 2020 to October 29, 2025.

10 Trichloroacetic Acid results from the 10 samples listed here: 9 detected, 1 not detected. Those samples also carried 50 results for other analytes, which are on the full results page.

Units in this table

Trichloroacetic Acid is recorded on this page in ug/l and mg/l. 1 mg/l = 1,000 ug/l.

Trichloroacetic Acid results for Ingalls Shipbuilding, from 1 to 10 of 158 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
Oct 29, 2025 08:47
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
810-169968-1
Laboratory
Eurofins Eaton Analytical South Bend in
4.7 ug/l , sample collected Oct 29, 2025 08:47, sampling point DS000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Collected
Oct 21, 2020 12:13
Sampling point
SM6 At Fab Shop
Sample type
Routine
Lab sample
201022-019HA
Laboratory
MSDH Lab
0.001 mg/l , sample collected Oct 21, 2020 12:13, sampling point SM6 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Collected
Oct 21, 2020 13:10
Sampling point
SM4 Panel Shop
Sample type
Routine
Lab sample
201022-018HA
Laboratory
MSDH Lab
0.001 mg/l , sample collected Oct 21, 2020 13:10, sampling point SM4 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Collected
Oct 21, 2020 12:37
Sampling point
SM3 At Support Complex
Sample type
Routine
Lab sample
201022-017HA
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 21, 2020 12:37, sampling point SM3 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Collected
Oct 21, 2020 12:50
Sampling point
SM1 Control Room Near Well 2
Sample type
Routine
Lab sample
201022-016HA
Laboratory
MSDH Lab
0.001 mg/l , sample collected Oct 21, 2020 12:50, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Collected
Jul 28, 2020 12:25
Sampling point
SM6 At Fab Shop
Sample type
Routine
Lab sample
200729-008HA
Laboratory
MSDH Lab
0.008 mg/l , sample collected Jul 28, 2020 12:25, sampling point SM6 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Collected
Jul 28, 2020 12:41
Sampling point
SM3 At Support Complex
Sample type
Routine
Lab sample
200729-006HA
Laboratory
MSDH Lab
0.007 mg/l , sample collected Jul 28, 2020 12:41, sampling point SM3 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Collected
Jul 28, 2020 13:16
Sampling point
SM4 Panel Shop
Sample type
Routine
Lab sample
200729-007HA
Laboratory
MSDH Lab
0.011 mg/l , sample collected Jul 28, 2020 13:16, sampling point SM4 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Collected
Jul 28, 2020 12:58
Sampling point
SM1 Control Room Near Well 2
Sample type
Routine
Lab sample
200729-005HA
Laboratory
MSDH Lab
0.007 mg/l , sample collected Jul 28, 2020 12:58, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Collected
Apr 22, 2020 11:30
Sampling point
SM6 At Fab Shop
Sample type
Routine
Lab sample
200423-008HA
Laboratory
MSDH Lab
0.011 mg/l , sample collected Apr 22, 2020 11:30, sampling point SM6 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded

Routine (10).