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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.

TTHM results

MS0300010 , Ingalls Shipbuilding

5 samples have been analysed for TTHM 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.

Showing samples collected between September 26, 2024 and September 26, 2026. That is this page’s default, not a limit on what the agency records.

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Every TTHM result

The 5 samples analysed for this analyte collected between September 26, 2024 and September 26, 2026 are listed below, newest first.

5 TTHM results from the 5 samples listed here: 5 detected, 0 not detected. Those samples also carried 4 results for other analytes, which are on the full results page.

TTHM results for Ingalls Shipbuilding, from the 5 samples 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
Dec 10, 2025 11:12
Sampling point
SM2 At Multi-Purpose Whse
Sample type
Routine
Lab sample
810-175055-1
Laboratory
Eurofins Eaton Analytical South Bend in
74.1 ug/l , sample collected Dec 10, 2025 11:12, sampling point SM2 TTHM 2950 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Collected
Oct 16, 2024 12:39
Sampling point
SM6 At Fab Shop
Sample type
Routine
Lab sample
TH-241017-028
Laboratory
MSDH Lab
63.3 ug/l , sample collected Oct 16, 2024 12:39, sampling point SM6 TTHM 2950 EPA method 524.2 Oct 1, 2024 – Dec 31, 2024
Collected
Oct 16, 2024 11:52
Sampling point
SM4 Panel Shop
Sample type
Routine
Lab sample
TH-241017-027
Laboratory
MSDH Lab
66.5 ug/l , sample collected Oct 16, 2024 11:52, sampling point SM4 TTHM 2950 EPA method 524.2 Oct 1, 2024 – Dec 31, 2024
Collected
Oct 16, 2024 12:54
Sampling point
SM2 At Multi-Purpose Whse
Sample type
Routine
Lab sample
TH-241017-026
Laboratory
MSDH Lab
70.2 ug/l , sample collected Oct 16, 2024 12:54, sampling point SM2 TTHM 2950 EPA method 524.2 Oct 1, 2024 – Dec 31, 2024
Collected
Oct 16, 2024 12:08
Sampling point
SM1 Control Room Near Well 2
Sample type
Routine
Lab sample
TH-241017-025
Laboratory
MSDH Lab
64.3 ug/l , sample collected Oct 16, 2024 12:08, sampling point SM1 TTHM 2950 EPA method 524.2 Oct 1, 2024 – Dec 31, 2024

Routine (5).