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
MS0580023 , Houlka-Washington Ext
13 samples have been analysed for TTHM at Houlka-Washington Ext.
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 13 samples, newest first — collected August 27, 2013 to October 20, 2025.
10 TTHM results from the 10 samples listed here: 0 detected, 10 not detected. Those samples also carried 30 results for other analytes, which are on the full results page.
| Result | Analyte | Monitoring period |
|---|---|---|
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| Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 20, 2025 13:30, sampling point DS000 | TTHM 2950 EPA method 524.2 | Not recorded |
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| Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 24, 2024 13:15, sampling point MRT000 | TTHM 2950 EPA method 524.2 | Not recorded |
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| Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 18, 2023 14:40, sampling point MRT000 | TTHM 2950 EPA method 524.2 | Jan 1, 2023 – Dec 31, 2023 |
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| Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 6, 2022 13:10, sampling point MRT000 | TTHM 2950 EPA method 524.2 | Not recorded |
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| Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 1, 2021 13:10, sampling point MRT000 | TTHM 2950 EPA method 524.2 | Not recorded |
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| Not detected below 4 ug/l Minimum Reporting Level , sample collected Sep 29, 2020 14:50, sampling point MRT000 | TTHM 2950 | Jan 1, 2020 – Dec 31, 2020 |
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| Not detected below 4 ug/l Minimum Reporting Level , sample collected May 29, 2019 01:42, sampling point MRT000 | TTHM 2950 | Not recorded |
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| Not detected below 4 ug/l Minimum Reporting Level , sample collected Dec 7, 2016 01:40, sampling point MRT000 | TTHM 2950 | Jan 1, 2014 – Dec 31, 2016 |
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| Not detected below 4 ug/l Minimum Reporting Level , sample collected Dec 7, 2016 01:15, sampling point MRT000 | TTHM 2950 | Jan 1, 2014 – Dec 31, 2016 |
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| Not detected below 4 ug/l Minimum Reporting Level , sample collected Aug 27, 2013 02:09, sampling point MRT000 | TTHM 2950 EPA method 524.2 | Jan 1, 2011 – Dec 31, 2013 |
-
- Collected
- Oct 20, 2025 13:30
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 810-168743-1
- Laboratory
- Eurofins Eaton Analytical South Bend in
- Monitoring period
- Not recorded
-
TTHM 2950 EPA method 524.2
- Result
- Not detected below 0.5 ug/l Minimum Reporting Level
-
- Collected
- Jun 24, 2024 13:15
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- TH-240625-011
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
TTHM 2950 EPA method 524.2
- Result
- Not detected below 1 ug/l Minimum Reporting Level
-
- Collected
- Jul 18, 2023 14:40
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- TH-230719-001
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2023
-
TTHM 2950 EPA method 524.2
- Result
- Not detected below 1 ug/l Minimum Reporting Level
-
- Collected
- Dec 6, 2022 13:10
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- TH-221207-001
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
TTHM 2950 EPA method 524.2
- Result
- Not detected below 1 ug/l Minimum Reporting Level
-
- Collected
- Nov 1, 2021 13:10
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- TH-211102-005
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
TTHM 2950 EPA method 524.2
- Result
- Not detected below 1 ug/l Minimum Reporting Level
-
- Collected
- Sep 29, 2020 14:50
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- 200930-012TH
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2020 – Dec 31, 2020
-
TTHM 2950
- Result
- Not detected below 4 ug/l Minimum Reporting Level
-
- Collected
- May 29, 2019 01:42
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- 190530-005TH
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
TTHM 2950
- Result
- Not detected below 4 ug/l Minimum Reporting Level
-
- Collected
- Dec 7, 2016 01:40
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- 161208-025TH
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2014 – Dec 31, 2016
-
TTHM 2950
- Result
- Not detected below 4 ug/l Minimum Reporting Level
-
- Collected
- Dec 7, 2016 01:15
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- 161208-024TH
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2014 – Dec 31, 2016
-
TTHM 2950
- Result
- Not detected below 4 ug/l Minimum Reporting Level
-
- Collected
- Aug 27, 2013 02:09
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- 130828-012TH
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2011 – Dec 31, 2013
-
TTHM 2950 EPA method 524.2
- Result
- Not detected below 4 ug/l Minimum Reporting Level
Routine (10).