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
MS0540067 , Concord-Macedonia W/A
3 samples have been analysed for Nitrite at Concord-Macedonia 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 25, 2024 and September 25, 2026. That is this page’s default, not a limit on what the agency records.
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Every Nitrite result
The 3 samples analysed for this analyte collected between September 25, 2024 and September 25, 2026 are listed below, newest first.
3 Nitrite results from the 3 samples listed here: 0 detected, 3 not detected. Those samples also carried 6 results for other analytes, which are on the full results page.
| Result | Analyte | Monitoring period |
|---|---|---|
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| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 24, 2026 13:08, sampling point TF101 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2026 – Dec 31, 2026 |
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| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 25, 2025 12:34, sampling point TF102 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2025 – Dec 31, 2025 |
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| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 25, 2025 12:20, sampling point TF101 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2025 – Dec 31, 2025 |
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- Collected
- Feb 24, 2026 13:08
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- NI-260225-001
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2026 – Dec 31, 2026
-
Nitrite 1041 EPA method QC10107041C
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
-
- Collected
- Mar 25, 2025 12:34
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- NI-250326-053
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2025 – Dec 31, 2025
-
Nitrite 1041 EPA method QC10107041C
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
-
- Collected
- Mar 25, 2025 12:20
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- NI-250326-054
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2025 – Dec 31, 2025
-
Nitrite 1041 EPA method QC10107041C
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
Routine (3).