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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

MS0740002 , Improve Water Association

43 samples have been analysed for Nitrite at Improve Water Association.

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 43 samples, newest first — collected April 6, 2022 to July 30, 2026.

10 Nitrite results from the 10 samples listed here: 0 detected, 10 not detected. Those samples also carried 42 results for other analytes, which are on the full results page.

Nitrite results for Improve Water Association, from 1 to 10 of 43 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
Jul 30, 2026
Sampling point
TF082 Treatment Facility TF082
Sample type
Routine
Lab sample
35054800002
Laboratory
Pace Analytical Services, LLC
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Jul 30, 2026, sampling point TF082 Nitrite 1041 EPA method 353.2 Not recorded
Collected
Jul 30, 2026
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
35054800001
Laboratory
Pace Analytical Services, LLC
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Jul 30, 2026, sampling point TF080 Nitrite 1041 EPA method 353.2 Not recorded
Collected
Apr 16, 2025 13:10
Sampling point
TF082 Treatment Facility TF082
Sample type
Routine
Lab sample
NI-250417-050
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 16, 2025 13:10, sampling point TF082 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Apr 16, 2025 11:25
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-250417-051
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 16, 2025 11:25, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Apr 24, 2024 13:10
Sampling point
TF082 Treatment Facility TF082
Sample type
Routine
Lab sample
NI-240425-023
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 24, 2024 13:10, sampling point TF082 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Apr 24, 2024 12:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-240425-024
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 24, 2024 12:30, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Apr 3, 2023 13:00
Sampling point
TF082 Treatment Facility TF082
Sample type
Routine
Lab sample
NI-230404-032
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 3, 2023 13:00, sampling point TF082 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Apr 3, 2023 11:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-230404-031
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 3, 2023 11:30, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Apr 6, 2022 10:45
Sampling point
TF082 Treatment Facility TF082
Sample type
Routine
Lab sample
NI-220407-060
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 6, 2022 10:45, sampling point TF082 Nitrite 1041 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Collected
Apr 6, 2022 10:15
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-220407-061
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 6, 2022 10:15, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022

Routine (10).