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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.

Nitrite results

MS0410033 , Old Union Water System

63 samples have been analysed for Nitrite at Old Union Water System.

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 Nitrite result

The table below lists 1–10 of 63 samples, newest first — collected March 9, 2021 to April 22, 2025.

10 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.

Nitrite results for Old Union Water System, from 1 to 10 of 63 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
Apr 22, 2025 14:15
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NI-250423-003
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 22, 2025 14:15, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Apr 22, 2025 13:55
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-250423-002
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 22, 2025 13:55, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Apr 22, 2025 13:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-250423-001
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 22, 2025 13:30, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Mar 19, 2024 13:45
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NI-240320-033
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 19, 2024 13:45, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Mar 19, 2024 14:40
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-240320-032
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 19, 2024 14:40, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Mar 19, 2024 14:10
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-240320-031
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 19, 2024 14:10, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Feb 15, 2022 12:30
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NI-220216-011
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 15, 2022 12:30, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Collected
Feb 15, 2022 12:45
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-220216-010
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 15, 2022 12:45, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Collected
Feb 15, 2022 12:55
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-220216-009
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 15, 2022 12:55, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Collected
Mar 9, 2021 12:15
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NI-210310-074
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 9, 2021 12:15, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021

Routine (10).