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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

MS0230015 , Stennis Space Center

91 samples have been analysed for TTHM at Stennis Space Center.

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 TTHM result

The table below lists 1–10 of 91 samples, newest first — collected December 19, 2023 to August 12, 2025.

10 TTHM results from the 10 samples listed here: 10 detected, 0 not detected. Those samples also carried 74 results for other analytes, which are on the full results page.

TTHM results for Stennis Space Center, from 1 to 10 of 91 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
Aug 12, 2025 08:55
Sampling point
SM1 Building 4400
Sample type
Routine
Lab sample
810-159741-1
Laboratory
Eurofins Eaton Analytical South Bend in
63 ug/l , sample collected Aug 12, 2025 08:55, sampling point SM1 TTHM 2950 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Collected
Aug 14, 2024 13:18
Sampling point
SM1 Building 4400
Sample type
Routine
Lab sample
810-116202-2
Laboratory
Eurofins Eaton Analytical South Bend in
58.2 ug/l , sample collected Aug 14, 2024 13:18, sampling point SM1 TTHM 2950 EPA method 524.2 Jul 1, 2024 – Sep 30, 2024
Collected
Aug 14, 2024 13:51
Sampling point
SM2 Building 5100
Sample type
Routine
Lab sample
810-116202-1
Laboratory
Eurofins Eaton Analytical South Bend in
42.7 ug/l , sample collected Aug 14, 2024 13:51, sampling point SM2 TTHM 2950 EPA method 524.2 Jul 1, 2024 – Sep 30, 2024
Collected
May 14, 2024 13:50
Sampling point
SM2 Building 5100
Sample type
Routine
Lab sample
810-104713-2
Laboratory
Eurofins Eaton Analytical South Bend in
32.6 ug/l , sample collected May 14, 2024 13:50, sampling point SM2 TTHM 2950 EPA method 524.2 Apr 1, 2024 – Jun 30, 2024
Collected
May 14, 2024 13:16
Sampling point
SM1 Building 4400
Sample type
Routine
Lab sample
810-104713-1
Laboratory
Eurofins Eaton Analytical South Bend in
48.9 ug/l , sample collected May 14, 2024 13:16, sampling point SM1 TTHM 2950 EPA method 524.2 Apr 1, 2024 – Jun 30, 2024
Collected
Apr 2, 2024 10:35
Sampling point
SMT Building 5100
Sample type
Routine
Lab sample
TH-240403-003
Laboratory
MSDH Lab
47.3 ug/l , sample collected Apr 2, 2024 10:35, sampling point SMT TTHM 2950 EPA method 524.2 Jan 1, 2024 – Dec 31, 2024
Collected
Apr 2, 2024 09:33
Sampling point
SMH Building 4120
Sample type
Routine
Lab sample
TH-240403-002
Laboratory
MSDH Lab
68.8 ug/l , sample collected Apr 2, 2024 09:33, sampling point SMH TTHM 2950 EPA method 524.2 Jan 1, 2024 – Dec 31, 2024
Collected
Feb 20, 2024 13:50
Sampling point
SM1 Building 4400
Sample type
Routine
Lab sample
810-94648-2
Laboratory
Eurofins Eaton Analytical South Bend in
45.8 ug/l , sample collected Feb 20, 2024 13:50, sampling point SM1 TTHM 2950 EPA method 524.2 Jan 1, 2024 – Mar 31, 2024
Collected
Feb 20, 2024 14:30
Sampling point
SM2 Building 5100
Sample type
Routine
Lab sample
810-94648-1
Laboratory
Eurofins Eaton Analytical South Bend in
36.3 ug/l , sample collected Feb 20, 2024 14:30, sampling point SM2 TTHM 2950 EPA method 524.2 Jan 1, 2024 – Mar 31, 2024
Collected
Dec 19, 2023 09:01
Sampling point
SM1 Building 4400
Sample type
Routine
Lab sample
810-88510-2
Laboratory
Eurofins Eaton Analytical South Bend in
46.1 ug/l , sample collected Dec 19, 2023 09:01, sampling point SM1 TTHM 2950 EPA method 524.2 Oct 1, 2023 – Dec 31, 2023

Routine (10).