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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

MS0430029 , Topisaw Creek

56 samples have been analysed for Nitrate-Nitrite at Topisaw Creek.

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 56 samples, newest first — collected February 28, 2023 to July 8, 2026.

10 Nitrate-Nitrite results from the 10 samples listed here: 3 detected, 7 not detected. Those samples also carried 41 results for other analytes, which are on the full results page.

Nitrate-Nitrite results for Topisaw Creek, from 1 to 10 of 56 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 8, 2026
Sampling point
TF082 Treatment Facility TF082
Sample type
Routine
Lab sample
35050028001
Laboratory
Pace Analytical Services, LLC
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Jul 8, 2026, sampling point TF082 Nitrate-Nitrite 1038 Not recorded
Collected
Feb 23, 2026 14:30
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
NI-260224-005
Laboratory
MSDH Lab
0.156 mg/l , sample collected Feb 23, 2026 14:30, sampling point TF081 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2026 – Dec 31, 2026
Collected
Feb 23, 2026 14:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-260224-004
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 23, 2026 14:00, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2026 – Dec 31, 2026
Collected
Mar 10, 2025 14:45
Sampling point
TF082 Treatment Facility TF082
Sample type
Routine
Lab sample
NI-250311-007
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 14:45, sampling point TF082 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Mar 10, 2025 14:30
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
NI-250311-006
Laboratory
MSDH Lab
0.134 mg/l , sample collected Mar 10, 2025 14:30, sampling point TF081 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Mar 10, 2025 14:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-250311-005
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 14:00, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Mar 19, 2024 15:30
Sampling point
TF082 Treatment Facility TF082
Sample type
Routine
Lab sample
NI-240320-025
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 19, 2024 15:30, sampling point TF082 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Mar 19, 2024 15:15
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
NI-240320-024
Laboratory
MSDH Lab
0.131 mg/l , sample collected Mar 19, 2024 15:15, sampling point TF081 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Mar 19, 2024 15:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-240320-023
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 19, 2024 15:00, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Feb 28, 2023 15:30
Sampling point
TF082 Treatment Facility TF082
Sample type
Routine
Lab sample
NI-230301-110
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 28, 2023 15:30, sampling point TF082 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023

Routine (10).