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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.

Nitrate-Nitrite results

MS0500009 , Central W/A-Southwest

65 samples have been analysed for Nitrate-Nitrite at Central W/A-Southwest.

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 Nitrate-Nitrite result

The table below lists 1–10 of 65 samples, newest first — collected February 27, 2023 to February 3, 2026.

10 Nitrate-Nitrite results from the 10 samples listed here: 0 detected, 10 not detected. Those samples also carried 20 results for other analytes, which are on the full results page.

Nitrate-Nitrite results for Central W/A-Southwest, from 1 to 10 of 65 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
Feb 3, 2026 14:40
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-260204-001
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 3, 2026 14:40, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2026 – Dec 31, 2026
Collected
Mar 25, 2025 14:50
Sampling point
TF108
Sample type
Routine
Lab sample
NI-250326-047
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 25, 2025 14:50, sampling point TF108 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Mar 25, 2025 14:30
Sampling point
TF107 Treatment Plant T107
Sample type
Routine
Lab sample
NI-250326-048
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 25, 2025 14:30, sampling point TF107 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Mar 25, 2025 15:15
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-250326-046
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 25, 2025 15:15, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Apr 2, 2024 14:45
Sampling point
TF108
Sample type
Routine
Lab sample
NI-240403-014
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 2, 2024 14:45, sampling point TF108 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Apr 2, 2024 14:00
Sampling point
TF107 Treatment Plant T107
Sample type
Routine
Lab sample
NI-240403-016
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 2, 2024 14:00, sampling point TF107 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Apr 2, 2024 15:20
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-240403-015
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 2, 2024 15:20, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Feb 27, 2023 14:05
Sampling point
TF108
Sample type
Routine
Lab sample
NI-230228-089
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 27, 2023 14:05, sampling point TF108 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Feb 27, 2023 13:45
Sampling point
TF107 Treatment Plant T107
Sample type
Routine
Lab sample
NI-230228-088
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 27, 2023 13:45, sampling point TF107 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Feb 27, 2023 14:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-230228-087
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 27, 2023 14:30, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023

Routine (10).