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Norman Utilities Authority

Published drinking-water records and contacts for Norman Utilities Authority. System OK1020801. Review sources and dates; not a real-time water assessment.

System ID
OK1020801
State or territory
OK
Published population served
104868
System type (source code)
CWS

Published records and dates

Missing records here do not mean the provider did not test. Published records are not a real-time assessment of your tap water.

Published testing results

Selected recent records are shown below. Different sampling locations and dates are not interchangeable. These excerpts are not a complete testing history.

“<” means below the stated reporting limit, not zero. A reported measurement alone is not a safety verdict. Read an example

EPA UCMR 5 — most recent imported sample per substance
SubstancePublished resultReporting limitSample dateSampling location
11Cl-PF3OUdS< 0.005 µg/L0.005 µg/L2025-03-31Well 31 / TP002
4:2 FTS< 0.003 µg/L0.003 µg/L2025-03-31Well 31 / TP002
6:2 FTS< 0.005 µg/L0.005 µg/L2025-03-31Well 31 / TP002
8:2 FTS< 0.005 µg/L0.005 µg/L2025-03-31Well 31 / TP002
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-03-31Well 31 / TP002
ADONA< 0.003 µg/L0.003 µg/L2025-03-31Well 31 / TP002
HFPO-DA< 0.005 µg/L0.005 µg/L2025-03-31Well 31 / TP002
NEtFOSAA< 0.005 µg/L0.005 µg/L2025-03-31Well 31 / TP002
NFDHA< 0.02 µg/L0.02 µg/L2025-03-31Well 31 / TP002
NMeFOSAA< 0.006 µg/L0.006 µg/L2025-03-31Well 31 / TP002
PFBA< 0.005 µg/L0.005 µg/L2025-03-31Well 31 / TP002
PFBS< 0.003 µg/L0.003 µg/L2025-03-31Well 31 / TP002
PFDA< 0.003 µg/L0.003 µg/L2025-03-31Well 31 / TP002
PFDoA< 0.003 µg/L0.003 µg/L2025-03-31Well 31 / TP002
PFEESA< 0.003 µg/L0.003 µg/L2025-03-31Well 31 / TP002
PFHpA< 0.003 µg/L0.003 µg/L2025-03-31Well 31 / TP002
PFHpS< 0.003 µg/L0.003 µg/L2025-03-31Well 31 / TP002
PFHxA< 0.003 µg/L0.003 µg/L2025-03-31Well 31 / TP002
PFHxS< 0.003 µg/L0.003 µg/L2025-03-31Well 31 / TP002
PFMBA< 0.003 µg/L0.003 µg/L2025-03-31Well 31 / TP002
PFMPA< 0.004 µg/L0.004 µg/L2025-03-31Well 31 / TP002
PFNA< 0.004 µg/L0.004 µg/L2025-03-31Well 31 / TP002
PFOA< 0.004 µg/L0.004 µg/L2025-03-31Well 31 / TP002
PFOS< 0.004 µg/L0.004 µg/L2025-03-31Well 31 / TP002
PFPeA< 0.003 µg/L0.003 µg/L2025-03-31Well 31 / TP002
PFPeS< 0.004 µg/L0.004 µg/L2025-03-31Well 31 / TP002
PFTA< 0.008 µg/L0.008 µg/L2025-03-31Well 31 / TP002
PFTrDA< 0.007 µg/L0.007 µg/L2025-03-31Well 31 / TP002
PFUnA< 0.002 µg/L0.002 µg/L2025-03-31Well 31 / TP002
lithium11.2 µg/L9 µg/L2025-03-31Well 31 / TP002

Download all EPA UCMR 5 records (CSV)

Lead and copper: 90th-percentile summaries

These describe a monitoring period across sampled locations, not the result at your home. How to read the 90th percentile

Eight most recent imported monitoring summaries
SubstancePublished 90th percentileMonitoring periodSource quarter
Lead (PB90) 0 mg/L2026-01-01 – 2026-12-312026Q3
Lead (PB90) 0.00055 mg/L2025-01-01 – 2025-12-312026Q3
Lead (PB90) 0.00057 mg/L2024-01-01 – 2024-12-312026Q3
Lead (PB90) 0.00072 mg/L2023-01-01 – 2023-12-312026Q3
Lead (PB90) 0.000365 mg/L2022-01-01 – 2022-12-312026Q3
Lead (PB90) 0 mg/L2021-01-01 – 2021-12-312026Q3
Lead (PB90) 0 mg/L2020-07-01 – 2020-12-312026Q3
Lead (PB90) 0 mg/L2020-01-01 – 2020-06-302026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
ARSENIC< 1 µg/L2026-09-08WL002 / Oklahoma selected chemical sample panels
BARIUM170 µg/L2026-09-08WL002 / Oklahoma selected chemical sample panels
CADMIUM< 0.5 µg/L2026-09-08WL002 / Oklahoma selected chemical sample panels
CHROMIUM61 µg/L2026-09-08WL002 / Oklahoma selected chemical sample panels
CYANIDE< 0.01 mg/L2026-09-08WL002 / Oklahoma selected chemical sample panels
FLUORIDE0.33 mg/L2026-09-08WL002 / Oklahoma selected chemical sample panels
MERCURY< 0.2 µg/L2026-09-08WL002 / Oklahoma selected chemical sample panels
NICKEL< 5 µg/L2026-09-08WL002 / Oklahoma selected chemical sample panels
SELENIUM4.3 µg/L2026-09-08WL002 / Oklahoma selected chemical sample panels
ANTIMONY, TOTAL< 1 µg/L2026-09-08WL002 / Oklahoma selected chemical sample panels
BERYLLIUM, TOTAL< 0.3 µg/L2026-09-08WL002 / Oklahoma selected chemical sample panels
THALLIUM, TOTAL< 0.3 µg/L2026-09-08WL002 / Oklahoma selected chemical sample panels

State sampling points can include untreated water. Publisher qualifiers and units are retained; consult the full source notes before interpreting a record.

Download state records with source notes (CSV)

Published compliance history

8 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.

Twenty most recent imported compliance records
Rule / recordPeriodRecorded statusHealth-based (EPA classification)Source quarter
Lead and Copper Rule Revisions / LSL Inventory2024-10-17 – —ResolvedYes2026Q3
Lead and Copper Rule Revisions / LSL Reporting2024-10-17 – —ResolvedNo2026Q3
Synthetic Organic Chemicals / Monitoring, Regular2021-01-01 – 2021-03-31ResolvedNo2026Q3
Arsenic Rule / Maximum Contaminant Level Violation, Single Sample2005-01-01 – 2007-12-31ArchivedYes2026Q3
Nitrate Rule / Monitoring, Regular2004-01-01 – 2004-12-31ArchivedNo2026Q3
Nitrate Rule / Monitoring, Regular2004-01-01 – 2004-12-31ArchivedNo2026Q3
Arsenic Rule / Maximum Contaminant Level Violation, Average1998-01-01 – 1998-12-31ArchivedYes2026Q3
Surface Water Treatment Rule / Treatment Technique (SWTR and GWR)1993-12-01 – 1993-12-31ArchivedYes2026Q3

Source dates and refresh checks

A refresh check is not a sample date. Publication periods, sample dates and checks are shown separately.

Administrative contact (EPA filing)

Norman Utilities Authority: 405-321-2182

An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.

Official state resources · How to read these records