AFTON, OK · Delaware County

PORT DUNCAN UTILITIES LLC Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of October 1, 2000. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Delaware County, OK.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Oklahoma’s official records. Always confirm current status with Oklahoma before making decisions based on this information.

System facts

System ID (PWSID): OK1021628
System type: Community Water System
Population served: 300
Service connections: 100
Ownership: privately owned
Water source: surface water (rivers, lakes, or reservoirs)

PORT DUNCAN UTILITIES LLC is one of 1,277 community water systems in Oklahoma in the 500 or fewer people size category, formerly serving 300 people from surface water.

EPA's federal records list this system as inactive in 2000; the record below is historical.

As of August 1, 2026, its federal record holds 6 entries between 1992 and 1999, all of which EPA lists as closed. Nothing has been added since 1999.

Of the 6, 2 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Surface Water Treatment Rules and the Total Coliform Rules.

Violation history

Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
July 1, 1999 – July 31, 1999
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 1998 – June 30, 1998
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
April 1, 1996 – April 30, 1996
Archived
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
March 1, 1995 – March 31, 1995
Resolved
Treatment Technique (SWTR and GWR)
Health-based
Surface Water Treatment Rule
July 1, 1993 – July 31, 1993
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 1992 – June 30, 1992
Resolved

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 1999 – July 31, 1999	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
June 1, 1998 – June 30, 1998	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 1996 – April 30, 1996	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
March 1, 1995 – March 31, 1995	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Resolved
July 1, 1993 – July 31, 1993	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Health-based	Archived
June 1, 1992 – June 30, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Enforcement actions

February 27, 1997State Boil Water Order1 linked violation
December 17, 1996State Administrative/Compliance Order without penalty issued35 linked violations
July 18, 1996State Administrative/Compliance Order without penalty issued2 linked violations
May 20, 1996State Administrative/Compliance Order without penalty issued2 linked violations
March 26, 1996State Administrative/Compliance Order without penalty issued4 linked violations

Last known contact on file (system is inactive)

Not on record

918-947-7757

AFTON, OK 74331