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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

MS0280018 , Valley Park W/A

14 samples have been analysed for TTHM at Valley Park W/A.

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.

Show every sample on record

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Every TTHM result

The table below lists 1–10 of 14 samples, newest first — collected January 28, 2025 to March 3, 2026.

10 TTHM results from the 10 samples listed here: 10 detected, 0 not detected. Those samples also carried 20 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 The location on record identifies a private home, and we do not publish those.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 Valley Park W/A, from 1 to 10 of 14 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
Mar 3, 2026 10:00
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
810-182679-2
Laboratory
Eurofins Eaton Analytical South Bend in
28.6 ug/l , sample collected Mar 3, 2026 10:00, sampling point SM2 TTHM 2950 EPA method 524.2 Not recorded
Collected
Mar 3, 2026 09:30
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
810-182679-1
Laboratory
Eurofins Eaton Analytical South Bend in
39.2 ug/l , sample collected Mar 3, 2026 09:30, sampling point SM1 TTHM 2950 EPA method 524.2 Not recorded
Collected
Oct 28, 2025 09:30
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
TH-251029-002
Laboratory
MSDH Lab
41 ug/l , sample collected Oct 28, 2025 09:30, sampling point SM2 TTHM 2950 EPA method 524.2 Oct 1, 2025 – Dec 31, 2025
Collected
Oct 28, 2025 10:00
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
TH-251029-001
Laboratory
MSDH Lab
57.3 ug/l , sample collected Oct 28, 2025 10:00, sampling point SM1 TTHM 2950 EPA method 524.2 Oct 1, 2025 – Dec 31, 2025
Collected
Jul 14, 2025 09:30
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
TH-250717-015
Laboratory
MSDH Lab
23.5 ug/l , sample collected Jul 14, 2025 09:30, sampling point SM2 TTHM 2950 EPA method 524.2 Jul 1, 2025 – Sep 30, 2025
Collected
Jul 14, 2025 09:00
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
TH-250717-014
Laboratory
MSDH Lab
36 ug/l , sample collected Jul 14, 2025 09:00, sampling point SM1 TTHM 2950 EPA method 524.2 Jul 1, 2025 – Sep 30, 2025
Collected
Apr 15, 2025 10:00
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
TH-250416-011
Laboratory
MSDH Lab
68.7 ug/l , sample collected Apr 15, 2025 10:00, sampling point SM2 TTHM 2950 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Collected
Apr 15, 2025 09:30
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
TH-250416-010
Laboratory
MSDH Lab
93 ug/l , sample collected Apr 15, 2025 09:30, sampling point SM1 TTHM 2950 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Collected
Jan 28, 2025 10:00
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
TH-250129-015
Laboratory
MSDH Lab
13 ug/l , sample collected Jan 28, 2025 10:00, sampling point SM2 TTHM 2950 EPA method 524.2 Jan 1, 2025 – Mar 31, 2025
Collected
Jan 28, 2025 09:30
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
TH-250129-014
Laboratory
MSDH Lab
12.6 ug/l , sample collected Jan 28, 2025 09:30, sampling point SM1 TTHM 2950 EPA method 524.2 Jan 1, 2025 – Mar 31, 2025

Routine (10).