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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

MS0730008 , North Haven Water Association

62 samples have been analysed for Nitrite at North Haven 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 62 samples, newest first — collected April 4, 2022 to July 14, 2026.

10 Nitrite results from the 10 samples listed here: 0 detected, 10 not detected. Those samples also carried 21 results for other analytes, which are on the full results page.

Nitrite results for North Haven Water Association, from 1 to 10 of 62 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 14, 2026
Sampling point
TF104
Sample type
Routine
Lab sample
35050859002
Laboratory
Pace Analytical Services, LLC
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Jul 14, 2026, sampling point TF104 Nitrite 1041 EPA method 353.2 Jan 1, 2026 – Dec 31, 2026
Collected
Apr 15, 2025 14:30
Sampling point
TF104
Sample type
Routine
Lab sample
NI-250416-101
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 15, 2025 14:30, sampling point TF104 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Apr 15, 2025 14:30
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NI-250416-100
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 15, 2025 14:30, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Apr 17, 2024 11:47
Sampling point
TF104
Sample type
Routine
Lab sample
NI-240418-028
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 17, 2024 11:47, sampling point TF104 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Apr 17, 2024 11:55
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NI-240418-027
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 17, 2024 11:55, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Mar 14, 2023 12:30
Sampling point
TF104
Sample type
Routine
Lab sample
NI-230315-028
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 14, 2023 12:30, sampling point TF104 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Mar 14, 2023 12:00
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NI-230315-027
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 14, 2023 12:00, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Apr 6, 2022 15:30
Sampling point
TF104
Sample type
Routine
Lab sample
NI-220407-012
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 6, 2022 15:30, sampling point TF104 Nitrite 1041 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Collected
Apr 6, 2022 15:10
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NI-220407-013
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 6, 2022 15:10, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Collected
Apr 4, 2022 16:30
Sampling point
TF105 Treatment Plant T101
Sample type
Routine
Lab sample
NI-220405-001
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 4, 2022 16:30, sampling point TF105 Nitrite 1041 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022

Routine (10).