Skip to main content
Alpha

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

MS0540075 , Aci Building Systems, LLC

20 samples have been analysed for TTHM at Aci Building Systems, LLC.

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 20 samples, newest first — collected October 18, 2023 to December 17, 2025.

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

TTHM results for Aci Building Systems, LLC, from 1 to 10 of 20 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
Dec 17, 2025 13:21
Sampling point
SM1 Wellhouse (Bacti Site#1)
Sample type
Routine
Lab sample
810-175884-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 17, 2025 13:21, sampling point SM1 TTHM 2950 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Collected
Oct 9, 2024 14:15
Sampling point
SM2 BLDG Main Front Breakroom (Bacti Site#4)
Sample type
Routine
Lab sample
TH-241010-004
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 9, 2024 14:15, sampling point SM2 TTHM 2950 EPA method 524.2 Oct 1, 2024 – Dec 31, 2024
Collected
Oct 9, 2024 14:05
Sampling point
SM1 Wellhouse (Bacti Site#1)
Sample type
Routine
Lab sample
TH-241010-003
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 9, 2024 14:05, sampling point SM1 TTHM 2950 EPA method 524.2 Oct 1, 2024 – Dec 31, 2024
Collected
Jul 24, 2024 16:04
Sampling point
SM2 BLDG Main Front Breakroom (Bacti Site#4)
Sample type
Routine
Lab sample
TH-240725-007
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 24, 2024 16:04, sampling point SM2 TTHM 2950 EPA method 524.2 Jul 1, 2024 – Sep 30, 2024
Collected
Jul 24, 2024 16:00
Sampling point
SM1 Wellhouse (Bacti Site#1)
Sample type
Routine
Lab sample
TH-240725-006
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 24, 2024 16:00, sampling point SM1 TTHM 2950 EPA method 524.2 Jul 1, 2024 – Sep 30, 2024
Collected
Apr 24, 2024 14:35
Sampling point
SM2 BLDG Main Front Breakroom (Bacti Site#4)
Sample type
Routine
Lab sample
TH-240425-013
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Apr 24, 2024 14:35, sampling point SM2 TTHM 2950 EPA method 524.2 Apr 1, 2024 – Jun 30, 2024
Collected
Apr 24, 2024 14:44
Sampling point
SM1 Wellhouse (Bacti Site#1)
Sample type
Routine
Lab sample
TH-240425-012
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Apr 24, 2024 14:44, sampling point SM1 TTHM 2950 EPA method 524.2 Apr 1, 2024 – Jun 30, 2024
Collected
Feb 21, 2024 12:20
Sampling point
SM2 BLDG Main Front Breakroom (Bacti Site#4)
Sample type
Routine
Lab sample
TH-240222-004
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 21, 2024 12:20, sampling point SM2 TTHM 2950 EPA method 524.2 Jan 1, 2024 – Mar 31, 2024
Collected
Feb 21, 2024 12:05
Sampling point
SM1 Wellhouse (Bacti Site#1)
Sample type
Routine
Lab sample
TH-240222-003
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 21, 2024 12:05, sampling point SM1 TTHM 2950 EPA method 524.2 Jan 1, 2024 – Mar 31, 2024
Collected
Oct 18, 2023 15:10
Sampling point
SM2 BLDG Main Front Breakroom (Bacti Site#4)
Sample type
Routine
Lab sample
TH-231019-008
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 18, 2023 15:10, sampling point SM2 TTHM 2950 EPA method 524.2 Oct 1, 2023 – Dec 31, 2023

Routine (10).