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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

MS0270022 , Humphreys Co W/A #6-Gooden Lak

12 samples have been analysed for TTHM at Humphreys Co W/A #6-Gooden Lak.

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 12 samples, newest first — collected September 25, 2008 to October 28, 2025.

10 TTHM results from the 10 samples listed here: 6 detected, 4 not detected. Those samples also carried 30 results for other analytes, which are on the full results page.

TTHM results for Humphreys Co W/A #6-Gooden Lak, from 1 to 10 of 12 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 28, 2025 08:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
810-169704-1
Laboratory
Eurofins Eaton Analytical South Bend in
5.6 ug/l , sample collected Oct 28, 2025 08:30, sampling point DS000 TTHM 2950 EPA method 524.2 Not recorded
Collected
Mar 27, 2024 09:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-240328-028
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Mar 27, 2024 09:00, sampling point MRT000 TTHM 2950 EPA method 524.2 Not recorded
Collected
May 10, 2023 13:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-230511-017
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 10, 2023 13:00, sampling point MRT000 TTHM 2950 EPA method 524.2 Not recorded
Collected
Mar 14, 2022 13:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-220315-025
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Mar 14, 2022 13:00, sampling point MRT000 TTHM 2950 EPA method 524.2 Not recorded
Collected
Dec 13, 2021 14:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-211214-003
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 13, 2021 14:30, sampling point MRT000 TTHM 2950 EPA method 524.2 Not recorded
Collected
Jul 29, 2019 02:20
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
190730-002TH
Laboratory
MSDH Lab
5.37 ug/l , sample collected Jul 29, 2019 02:20, sampling point MRT000 TTHM 2950 Jan 1, 2019 – Dec 31, 2019
Collected
Aug 6, 2018 10:45
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
180807-019TH
Laboratory
MSDH Lab
9.49 ug/l , sample collected Aug 6, 2018 10:45, sampling point MRT000 TTHM 2950 Jan 1, 2017 – Dec 31, 2019
Collected
Sep 24, 2014 02:15
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
140925-007TH
Laboratory
MSDH Lab
32.5 ug/l , sample collected Sep 24, 2014 02:15, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2014 – Dec 31, 2016
Collected
Aug 16, 2012 01:35
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
120817-015TH
Laboratory
MSDH Lab
2.44 ug/l , sample collected Aug 16, 2012 01:35, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2011 – Dec 31, 2013
Collected
Sep 25, 2008
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
080926-002TH
Laboratory
MSDH Lab
4.11 ug/l , sample collected Sep 25, 2008, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2008 – Dec 31, 2010

Routine (10).