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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

MS0270024 , Humphreys Co-Tchula Lake #7

7 samples have been analysed for TTHM at Humphreys Co-Tchula Lake #7.

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

All 7 samples analysed for this analyte are listed below, newest first. No date range is applied.

7 TTHM results from the 7 samples listed here: 6 detected, 1 not detected. Those samples also carried 16 results for other analytes, which are on the full results page.

We withheld the location of 1 sampling point 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 The location on record identifies a private home, and we do not publish those.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 Humphreys Co-Tchula Lake #7, from the 7 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
Feb 10, 2025 10:25
Sampling point
SMD Location withheld
Sample type
Routine
Lab sample
TH-250211-015
Laboratory
MSDH Lab
1.21 ug/l , sample collected Feb 10, 2025 10:25, sampling point SMD TTHM 2950 EPA method 524.2 Jan 1, 2023 – Dec 31, 2025
Collected
Oct 17, 2022 11:45
Sampling point
SMD Location withheld
Sample type
Routine
Lab sample
TH-221018-017
Laboratory
MSDH Lab
1.2 ug/l , sample collected Oct 17, 2022 11:45, sampling point SMD TTHM 2950 EPA method 524.2 Jan 1, 2020 – Dec 31, 2022
Collected
Sep 24, 2014 12:45
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
140925-004TH
Laboratory
MSDH Lab
13.8 ug/l , sample collected Sep 24, 2014 12:45, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2014 – Dec 31, 2016
Collected
Aug 15, 2012 01:45
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
120816-008TH
Laboratory
MSDH Lab
13.1 ug/l , sample collected Aug 15, 2012 01:45, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2011 – Dec 31, 2013
Collected
Sep 16, 2008
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
080917-011TH
Laboratory
MSDH Lab
6.38 ug/l , sample collected Sep 16, 2008, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2008 – Dec 31, 2010
Collected
Aug 16, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
070817-004TH
Laboratory
MSDH Lab
4.74 ug/l , sample collected Aug 16, 2007, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2005 – Dec 31, 2007
Collected
Jun 9, 2004
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
040610-002TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 9, 2004, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2004 – Dec 31, 2004

Routine (7).