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Mcalester Pwa

Published drinking-water records and contacts for Mcalester Pwa. System OK1020609. Review sources and dates; not a real-time water assessment.

System ID
OK1020609
State or territory
OK
Published population served
18206
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/L2025-08-05McAlester WTP / EP001
4:2 FTS< 0.003 µg/L0.003 µg/L2025-08-05McAlester WTP / EP001
6:2 FTS< 0.005 µg/L0.005 µg/L2025-08-05McAlester WTP / EP001
8:2 FTS< 0.005 µg/L0.005 µg/L2025-08-05McAlester WTP / EP001
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-08-05McAlester WTP / EP001
ADONA< 0.003 µg/L0.003 µg/L2025-08-05McAlester WTP / EP001
HFPO-DA< 0.005 µg/L0.005 µg/L2025-08-05McAlester WTP / EP001
NEtFOSAA< 0.005 µg/L0.005 µg/L2025-08-05McAlester WTP / EP001
NFDHA< 0.02 µg/L0.02 µg/L2025-08-05McAlester WTP / EP001
NMeFOSAA< 0.006 µg/L0.006 µg/L2025-08-05McAlester WTP / EP001
PFBA< 0.005 µg/L0.005 µg/L2025-08-05McAlester WTP / EP001
PFBS< 0.003 µg/L0.003 µg/L2025-08-05McAlester WTP / EP001
PFDA< 0.003 µg/L0.003 µg/L2025-08-05McAlester WTP / EP001
PFDoA< 0.003 µg/L0.003 µg/L2025-08-05McAlester WTP / EP001
PFEESA< 0.003 µg/L0.003 µg/L2025-08-05McAlester WTP / EP001
PFHpA< 0.003 µg/L0.003 µg/L2025-08-05McAlester WTP / EP001
PFHpS< 0.003 µg/L0.003 µg/L2025-08-05McAlester WTP / EP001
PFHxA< 0.003 µg/L0.003 µg/L2025-08-05McAlester WTP / EP001
PFHxS< 0.003 µg/L0.003 µg/L2025-08-05McAlester WTP / EP001
PFMBA< 0.003 µg/L0.003 µg/L2025-08-05McAlester WTP / EP001
PFMPA< 0.004 µg/L0.004 µg/L2025-08-05McAlester WTP / EP001
PFNA< 0.004 µg/L0.004 µg/L2025-08-05McAlester WTP / EP001
PFOA< 0.004 µg/L0.004 µg/L2025-08-05McAlester WTP / EP001
PFOS< 0.004 µg/L0.004 µg/L2025-08-05McAlester WTP / EP001
PFPeA< 0.003 µg/L0.003 µg/L2025-08-05McAlester WTP / EP001
PFPeS< 0.004 µg/L0.004 µg/L2025-08-05McAlester WTP / EP001
PFTA< 0.008 µg/L0.008 µg/L2025-08-05McAlester WTP / EP001
PFTrDA< 0.007 µg/L0.007 µg/L2025-08-05McAlester WTP / EP001
PFUnA< 0.002 µg/L0.002 µg/L2025-08-05McAlester WTP / EP001
lithium< 9 µg/L9 µg/L2025-08-05McAlester WTP / EP001

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) 0.0036 mg/L2023-01-01 – 2025-12-312026Q3
Lead (PB90) 0 mg/L2020-01-01 – 2022-12-312026Q3
Lead (PB90) 0 mg/L2017-01-01 – 2019-12-312026Q3
Lead (PB90) 0 mg/L2014-01-01 – 2016-12-312026Q3
Lead (PB90) 0.0095 mg/L2013-07-01 – 2013-12-312026Q3
Lead (PB90) 0 mg/L2008-01-01 – 2010-12-312026Q3
Lead (PB90) 0.0031 mg/L2005-01-01 – 2007-12-312026Q3
Lead (PB90) 0.006 mg/L2002-01-01 – 2004-12-312026Q3

Published compliance history

59 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
Interim and Long Term 1 Enhanced Surface Water Treatment Rule / Monitoring, Turbidity (Enhanced SWTR)2026-01-01 – 2026-01-31ResolvedNo2026Q3
Stage 2 Disinfectants and Disinfection Byproducts Rule / Maximum Contaminant Level Violation, Average2026-01-01 – 2026-03-31ArchivedYes2026Q3
Stage 2 Disinfectants and Disinfection Byproducts Rule / Maximum Contaminant Level Violation, Average2025-10-01 – 2025-12-31ArchivedYes2026Q3
Stage 2 Disinfectants and Disinfection Byproducts Rule / Maximum Contaminant Level Violation, Average2025-07-01 – 2025-09-30ArchivedYes2026Q3
Interim and Long Term 1 Enhanced Surface Water Treatment Rule / Monitoring, Turbidity (Enhanced SWTR)2025-03-01 – 2025-03-31ResolvedNo2026Q3
Interim and Long Term 1 Enhanced Surface Water Treatment Rule / Monitoring, Turbidity (Enhanced SWTR)2025-01-01 – 2025-01-31ResolvedNo2026Q3
Lead and Copper Rule Revisions / LSL Inventory2024-10-17 – —ResolvedYes2026Q3
Lead and Copper Rule Revisions / LSL Reporting2024-10-17 – —ResolvedNo2026Q3
Interim and Long Term 1 Enhanced Surface Water Treatment Rule / Single Turbidity Exceed (Enhanced SWTR)2024-07-01 – 2024-07-31ResolvedYes2026Q3
Surface Water Treatment Rule / Treatment Technique (SWTR and GWR)2024-07-01 – 2024-07-31ResolvedYes2026Q3
Stage 1 Disinfectants and Disinfection Byproducts Rule / Treatment Technique Precursor Removal2023-07-01 – 2023-09-30ResolvedYes2026Q3
Interim and Long Term 1 Enhanced Surface Water Treatment Rule / Single Turbidity Exceed (Enhanced SWTR)2023-06-01 – 2023-06-30ResolvedYes2026Q3
Stage 2 Disinfectants and Disinfection Byproducts Rule / Maximum Contaminant Level Violation, Average2023-04-01 – 2023-06-30ResolvedYes2026Q3
Stage 1 Disinfectants and Disinfection Byproducts Rule / Treatment Technique Precursor Removal2023-04-01 – 2023-06-30ResolvedYes2026Q3
Stage 2 Disinfectants and Disinfection Byproducts Rule / Maximum Contaminant Level Violation, Average2023-01-01 – 2023-03-31ResolvedYes2026Q3
Stage 1 Disinfectants and Disinfection Byproducts Rule / Treatment Technique Precursor Removal2023-01-01 – 2023-03-31ResolvedYes2026Q3
Stage 2 Disinfectants and Disinfection Byproducts Rule / Failure Submit IDSE/Subpart V Plan Rpt2022-12-30 – —ResolvedNo2026Q3
Stage 1 Disinfectants and Disinfection Byproducts Rule / Treatment Technique Precursor Removal2022-10-01 – 2022-12-31ResolvedYes2026Q3
Stage 2 Disinfectants and Disinfection Byproducts Rule / Maximum Contaminant Level Violation, Average2022-10-01 – 2022-12-31ResolvedYes2026Q3
Stage 2 Disinfectants and Disinfection Byproducts Rule / Maximum Contaminant Level Violation, Average2022-07-01 – 2022-09-30ResolvedYes2026Q3

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)

Mcalester Pwa: 918-423-9300

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