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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.

Thallium, Total results

MS0090005 , City of Houston

3 samples have been analysed for Thallium, Total at City of Houston.

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.

Showing samples collected between September 25, 2024 and September 25, 2026. That is this page’s default, not a limit on what the agency records.

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Every Thallium, Total result

The 3 samples analysed for this analyte collected between September 25, 2024 and September 25, 2026 are listed below, newest first.

3 Thallium, Total results from the 3 samples listed here: 0 detected, 3 not detected. Those samples also carried 30 results for other analytes, which are on the full results page.

Thallium, Total results for City of Houston, from the 3 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
Jan 27, 2025 08:00
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
IN-250128-003
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 27, 2025 08:00, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jan 27, 2025 08:40
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
IN-250128-002
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 27, 2025 08:40, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jan 27, 2025 08:20
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-250128-001
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 27, 2025 08:20, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025

Routine (3).