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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

MS0640009 , Okatoma Water Association #1

14 samples have been analysed for Nitrate-Nitrite at Okatoma Water Association #1.

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.

Showing samples collected between September 26, 2024 and September 26, 2026. That is this page’s default, not a limit on what the agency records.

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Every Nitrate-Nitrite result

The table below lists 1–10 of 14 samples, newest first — collected January 13, 2025 to July 22, 2026.

10 Nitrate-Nitrite results from the 10 samples listed here: 8 detected, 2 not detected. Those samples also carried 22 results for other analytes, which are on the full results page.

Nitrate-Nitrite results for Okatoma Water Association #1, from 1 to 10 of 14 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 22, 2026
Sampling point
TF082 Treatment Facility TF082
Sample type
Routine
Lab sample
35052962003
Laboratory
Pace Analytical Services, LLC
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Jul 22, 2026, sampling point TF082 Nitrate-Nitrite 1038 Apr 1, 2026 – Jun 30, 2026
Collected
Jul 22, 2026
Sampling point
TF081 Treatment Plant 081
Sample type
Routine
Lab sample
35052962002
Laboratory
Pace Analytical Services, LLC
3.8 mg/l , sample collected Jul 22, 2026, sampling point TF081 Nitrate-Nitrite 1038 Apr 1, 2026 – Jun 30, 2026
Collected
Oct 7, 2025 10:48
Sampling point
TF081 Treatment Plant 081
Sample type
Routine
Lab sample
NI-251008-009
Laboratory
MSDH Lab
3.59 mg/l , sample collected Oct 7, 2025 10:48, sampling point TF081 Nitrate-Nitrite 1038 EPA method QC10107041C Oct 1, 2025 – Dec 31, 2025
Collected
Oct 7, 2025 10:46
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-251008-010
Laboratory
MSDH Lab
6.72 mg/l , sample collected Oct 7, 2025 10:46, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Oct 1, 2025 – Dec 31, 2025
Collected
Jul 8, 2025 14:30
Sampling point
TF081 Treatment Plant 081
Sample type
Routine
Lab sample
NI-250709-007
Laboratory
MSDH Lab
4 mg/l , sample collected Jul 8, 2025 14:30, sampling point TF081 Nitrate-Nitrite 1038 EPA method QC10107041C Jul 1, 2025 – Sep 30, 2025
Collected
Jul 8, 2025 14:20
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-250709-008
Laboratory
MSDH Lab
7.25 mg/l , sample collected Jul 8, 2025 14:20, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jul 1, 2025 – Sep 30, 2025
Collected
Apr 7, 2025 09:30
Sampling point
TF082 Treatment Facility TF082
Sample type
Routine
Lab sample
NI-250408-024
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 7, 2025 09:30, sampling point TF082 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Mar 31, 2025 12:30
Sampling point
TF081 Treatment Plant 081
Sample type
Routine
Lab sample
NI-250401-023
Laboratory
MSDH Lab
3.68 mg/l , sample collected Mar 31, 2025 12:30, sampling point TF081 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Mar 31, 2025
Collected
Mar 31, 2025 12:16
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-250401-024
Laboratory
MSDH Lab
6.64 mg/l , sample collected Mar 31, 2025 12:16, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Mar 31, 2025
Collected
Jan 13, 2025 12:07
Sampling point
TF081 Treatment Plant 081
Sample type
Routine
Lab sample
NI-250114-010
Laboratory
MSDH Lab
3.67 mg/l , sample collected Jan 13, 2025 12:07, sampling point TF081 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Mar 31, 2025

Routine (10).