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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

MS0350006 , Porterville W/A

53 samples have been analysed for Nitrate-Nitrite at Porterville 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.

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 53 samples, newest first — collected March 27, 2024 to February 26, 2026.

10 Nitrate-Nitrite 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-Nitrite results for Porterville W/A, from 1 to 10 of 53 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 26, 2026 11:02
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-260227-003
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 26, 2026 11:02, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2026 – Dec 31, 2026
Collected
Feb 26, 2026 11:57
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-260227-002
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 26, 2026 11:57, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2026 – Dec 31, 2026
Collected
Mar 5, 2025 13:36
Sampling point
TF103 Treatment Facility TF103
Sample type
Routine
Lab sample
NI-250306-018
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 5, 2025 13:36, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Mar 5, 2025 12:55
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-250306-017
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 5, 2025 12:55, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Mar 5, 2025 12:39
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-250306-016
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 5, 2025 12:39, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Nov 20, 2024 15:15
Sampling point
TF103 Treatment Facility TF103
Sample type
Routine
Lab sample
NI-241121-001
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Nov 20, 2024 15:15, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Not recorded
Collected
Jul 17, 2024 13:15
Sampling point
TF103 Treatment Facility TF103
Sample type
Routine
Lab sample
NI-240718-011
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jul 17, 2024 13:15, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jul 1, 2024 – Sep 30, 2024
Collected
Apr 17, 2024 12:36
Sampling point
TF103 Treatment Facility TF103
Sample type
Routine
Lab sample
NI-240418-034
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 17, 2024 12:36, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Apr 1, 2024 – Jun 30, 2024
Collected
Mar 27, 2024 13:20
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-240328-027
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 27, 2024 13:20, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Mar 27, 2024 12:35
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-240328-028
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 27, 2024 12:35, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024

Routine (10).