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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 results

MS0100009 , Town of Weir

23 samples have been analysed for Nitrate at Town of Weir.

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 result

The table below lists 1–10 of 23 samples, newest first — collected January 23, 2017 to February 11, 2026.

10 Nitrate results from the 10 samples listed here: 10 detected, 0 not detected. Those samples also carried 20 results for other analytes, which are on the full results page.

Nitrate results for Town of Weir, from 1 to 10 of 23 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
Feb 11, 2026 11:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-260212-001
Laboratory
MSDH Lab
0.485 mg/l , sample collected Feb 11, 2026 11:00, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2026 – Dec 31, 2026
Collected
Jan 29, 2025 12:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-250130-030
Laboratory
MSDH Lab
0.449 mg/l , sample collected Jan 29, 2025 12:30, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Jan 23, 2024 13:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-240124-036
Laboratory
MSDH Lab
0.464 mg/l , sample collected Jan 23, 2024 13:30, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Jan 24, 2023 13:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-230125-042
Laboratory
MSDH Lab
0.441 mg/l , sample collected Jan 24, 2023 13:00, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Jan 12, 2022 14:10
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-220113-009
Laboratory
MSDH Lab
0.637 mg/l , sample collected Jan 12, 2022 14:10, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Collected
Feb 3, 2021 12:20
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-210204-007
Laboratory
MSDH Lab
0.563 mg/l , sample collected Feb 3, 2021 12:20, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Collected
Jan 13, 2020 15:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
200114-061NI
Laboratory
MSDH Lab
0.96 mg/l , sample collected Jan 13, 2020 15:30, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Collected
Jan 29, 2019 14:10
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
190130-059NI
Laboratory
MSDH Lab
0.81 mg/l , sample collected Jan 29, 2019 14:10, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Collected
Jan 23, 2018 12:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
180124-011NI
Laboratory
MSDH Lab
0.62 mg/l , sample collected Jan 23, 2018 12:30, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Collected
Jan 23, 2017 15:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
170124-011NI
Laboratory
MSDH Lab
0.62 mg/l , sample collected Jan 23, 2017 15:30, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017

Routine (10).