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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

MS0070007 , Duncan Hill Water Supply

48 samples have been analysed for Nitrate at Duncan Hill Water Supply.

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 48 samples, newest first — collected January 9, 2023 to February 2, 2026.

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

Nitrate results for Duncan Hill Water Supply, from 1 to 10 of 48 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 2, 2026 10:31
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-260203-002
Laboratory
MSDH Lab
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 2, 2026 10:31, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2026 – Dec 31, 2026
Collected
Feb 10, 2025 13:08
Sampling point
TF103 Treatment Facility TF103
Sample type
Routine
Lab sample
NI-250211-011
Laboratory
MSDH Lab
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 10, 2025 13:08, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Feb 10, 2025 12:58
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-250211-010
Laboratory
MSDH Lab
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 10, 2025 12:58, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Jan 10, 2024 12:15
Sampling point
TF103 Treatment Facility TF103
Sample type
Routine
Lab sample
NI-240111-006
Laboratory
MSDH Lab
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 10, 2024 12:15, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Jan 10, 2024 12:25
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-240111-005
Laboratory
MSDH Lab
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 10, 2024 12:25, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Oct 25, 2023 12:35
Sampling point
TF103 Treatment Facility TF103
Sample type
Routine
Lab sample
NI-231026-006
Laboratory
MSDH Lab
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Oct 25, 2023 12:35, sampling point TF103 Nitrate 1040 EPA method QC10107041C Oct 1, 2023 – Dec 31, 2023
Collected
Sep 12, 2023 15:10
Sampling point
TF103 Treatment Facility TF103
Sample type
Routine
Lab sample
NI-230913-003
Laboratory
MSDH Lab
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Sep 12, 2023 15:10, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jul 1, 2023 – Sep 30, 2023
Collected
Apr 11, 2023 09:37
Sampling point
TF103 Treatment Facility TF103
Sample type
Routine
Lab sample
NI-230412-002
Laboratory
MSDH Lab
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 11, 2023 09:37, sampling point TF103 Nitrate 1040 EPA method QC10107041C Apr 1, 2023 – Jun 30, 2023
Collected
Jan 17, 2023 12:52
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-230118-039
Laboratory
MSDH Lab
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 17, 2023 12:52, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Jan 9, 2023 11:08
Sampling point
TF103 Treatment Facility TF103
Sample type
Routine
Lab sample
NI-230110-019
Laboratory
MSDH Lab
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 9, 2023 11:08, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Mar 31, 2023

Routine (10).