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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

MS0240263 , West Harrison High School

9 samples have been analysed for TTHM at West Harrison High School.

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

9 TTHM results from the 9 samples listed here: 9 detected, 0 not detected. Those samples also carried 20 results for other analytes, which are on the full results page.

TTHM results for West Harrison High School, from the 9 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
Apr 23, 2025 12:28
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-250424-019
Laboratory
MSDH Lab
13.5 ug/l , sample collected Apr 23, 2025 12:28, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Collected
Mar 25, 2024 14:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-240326-007
Laboratory
MSDH Lab
8.09 ug/l , sample collected Mar 25, 2024 14:00, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2024 – Dec 31, 2024
Collected
Jun 21, 2023 13:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-230622-016
Laboratory
MSDH Lab
14.4 ug/l , sample collected Jun 21, 2023 13:30, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Collected
Mar 10, 2022 13:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-220311-002
Laboratory
MSDH Lab
7.59 ug/l , sample collected Mar 10, 2022 13:30, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022
Collected
Jul 24, 2017 13:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
170725-003TH
Laboratory
MSDH Lab
18.2 ug/l , sample collected Jul 24, 2017 13:00, sampling point MRT000 TTHM 2950 Jan 1, 2015 – Dec 31, 2017
Collected
Aug 18, 2014 02:30
Sampling point
DS000
Sample type
Routine
Lab sample
140819-008TH
Laboratory
MSDH Lab
6.98 ug/l , sample collected Aug 18, 2014 02:30, sampling point DS000 TTHM 2950 EPA method 524.2 Jan 1, 2012 – Dec 31, 2014
Collected
Jul 20, 2011 03:00
Sampling point
DS000
Sample type
Routine
Lab sample
110721-007TH
Laboratory
MSDH Lab
7.5 ug/l , sample collected Jul 20, 2011 03:00, sampling point DS000 TTHM 2950 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Collected
Aug 10, 2010
Sampling point
DS000
Sample type
Routine
Lab sample
100811-006TH
Laboratory
MSDH Lab
5.19 ug/l , sample collected Aug 10, 2010, sampling point DS000 TTHM 2950 EPA method 524.2 Jan 1, 2010 – Dec 31, 2010
Collected
Sep 8, 2009
Sampling point
DS000
Sample type
Routine
Lab sample
090909-047TH
Laboratory
MSDH Lab
21.04 ug/l , sample collected Sep 8, 2009, sampling point DS000 TTHM 2950 EPA method 524.2 Jan 1, 2009 – Dec 31, 2009

Routine (9).