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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

MS0790003 , Town of Centreville

44 samples have been analysed for Nitrate-Nitrite at Town of Centreville.

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 44 samples, newest first — collected April 4, 2022 to August 4, 2026.

10 Nitrate-Nitrite results from the 10 samples listed here: 5 detected, 5 not detected. Those samples also carried 20 results for other analytes, which are on the full results page.

Nitrate-Nitrite results for Town of Centreville, from 1 to 10 of 44 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
Aug 4, 2026
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
35055946002
Laboratory
Pace Analytical Services, LLC
0.54 mg/l , sample collected Aug 4, 2026, sampling point TF081 Nitrate-Nitrite 1038 Not recorded
Collected
Aug 4, 2026
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
35055946001
Laboratory
Pace Analytical Services, LLC
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Aug 4, 2026, sampling point TF080 Nitrate-Nitrite 1038 Not recorded
Collected
Apr 14, 2025 12:45
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
NI-250415-066
Laboratory
MSDH Lab
0.883 mg/l , sample collected Apr 14, 2025 12:45, sampling point TF081 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Apr 14, 2025 12:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-250415-067
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 14, 2025 12:30, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Apr 22, 2024 12:45
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
NI-240423-008
Laboratory
MSDH Lab
1.25 mg/l , sample collected Apr 22, 2024 12:45, sampling point TF081 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Apr 22, 2024 13:05
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-240423-007
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 22, 2024 13:05, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Mar 22, 2023 13:50
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
NI-230323-005
Laboratory
MSDH Lab
1.24 mg/l , sample collected Mar 22, 2023 13:50, sampling point TF081 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Mar 22, 2023 13:35
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-230323-004
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 22, 2023 13:35, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Apr 4, 2022 13:30
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
NI-220405-024
Laboratory
MSDH Lab
1.26 mg/l , sample collected Apr 4, 2022 13:30, sampling point TF081 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Collected
Apr 4, 2022 13:15
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-220405-023
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 4, 2022 13:15, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022

Routine (10).