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.
Nitrate-Nitrite results
MS0090004 , Houlka-Houston W/A
4 samples have been analysed for Nitrate-Nitrite at Houlka-Houston W/A.
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 26, 2024 and September 26, 2026. That is this page’s default, not a limit on what the agency records.
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Every Nitrate-Nitrite result
The 4 samples analysed for this analyte collected between September 26, 2024 and September 26, 2026 are listed below, newest first.
4 Nitrate-Nitrite results from the 4 samples listed here: 0 detected, 4 not detected. Those samples also carried 8 results for other analytes, which are on the full results page.
| Result | Analyte | Monitoring period |
|---|---|---|
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| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 2, 2026 15:00, sampling point TF102 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2026 – Dec 31, 2026 |
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| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 12:45, sampling point TF104 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2025 – Dec 31, 2025 |
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| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 14:00, sampling point TF103 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2025 – Dec 31, 2025 |
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| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 3, 2025 13:20, sampling point TF102 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2025 – Dec 31, 2025 |
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- Collected
- Feb 2, 2026 15:00
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- NI-260203-019
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2026 – Dec 31, 2026
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- Not detected below 0.1 mg/l Minimum Reporting Level
-
- Collected
- Feb 3, 2025 12:45
- Sampling point
- TF104 Treatment Facility TF104
- Sample type
- Routine
- Lab sample
- NI-250204-062
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2025 – Dec 31, 2025
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- Not detected below 0.1 mg/l Minimum Reporting Level
-
- Collected
- Feb 3, 2025 14:00
- Sampling point
- TF103 Treatment Plant T103
- Sample type
- Routine
- Lab sample
- NI-250204-061
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2025 – Dec 31, 2025
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- Not detected below 0.1 mg/l Minimum Reporting Level
-
- Collected
- Feb 3, 2025 13:20
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- NI-250204-060
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2025 – Dec 31, 2025
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- Not detected below 0.1 mg/l Minimum Reporting Level
Routine (4).