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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

MS0740002 , Improve Water Association

18 samples have been analysed for TTHM at Improve Water Association.

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 18 samples, newest first — collected July 31, 2024 to September 29, 2025.

10 TTHM results from the 10 samples listed here: 0 detected, 10 not detected. Those samples also carried 90 results for other analytes, which are on the full results page.

We withheld the location of 2 sampling points below. The location on record identifies a private home, and we do not publish those. That is our decision, not the agency’s. The sampling point, its type and every result taken there are published unchanged.

TTHM results for Improve Water Association, from 1 to 10 of 18 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
Sep 29, 2025 09:00
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
810-165814-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 29, 2025 09:00, sampling point SM1 TTHM 2950 EPA method 524.2 Not recorded
Collected
May 12, 2025 14:50
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
810-148326-2
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 12, 2025 14:50, sampling point SM2 TTHM 2950 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Collected
May 12, 2025 14:20
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
810-148326-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 12, 2025 14:20, sampling point SM1 TTHM 2950 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Collected
Feb 6, 2025 10:55
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
810-137195-2
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 6, 2025 10:55, sampling point SM2 TTHM 2950 EPA method 524.2 Jan 1, 2025 – Mar 31, 2025
Collected
Feb 6, 2025 10:30
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
810-137195-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 6, 2025 10:30, sampling point SM1 TTHM 2950 EPA method 524.2 Jan 1, 2025 – Mar 31, 2025
Collected
Nov 26, 2024 12:20
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
810-129753-2
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 26, 2024 12:20, sampling point SM2 TTHM 2950 EPA method 524.2 Oct 1, 2024 – Dec 31, 2024
Collected
Nov 26, 2024 11:15
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
810-129753-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 26, 2024 11:15, sampling point SM1 TTHM 2950 EPA method 524.2 Oct 1, 2024 – Dec 31, 2024
Collected
Sep 16, 2024 09:25
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
810-120367-2
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 16, 2024 09:25, sampling point SM2 TTHM 2950 EPA method 524.2 Jul 1, 2024 – Sep 30, 2024
Collected
Sep 16, 2024 10:00
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
810-120367-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 16, 2024 10:00, sampling point SM1 TTHM 2950 EPA method 524.2 Jul 1, 2024 – Sep 30, 2024
Collected
Jul 31, 2024 13:40
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-240801-014
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 31, 2024 13:40, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2024 – Dec 31, 2024

Routine (10).