Drinking Water Compliance OS

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 July 4, 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)

Violation history

  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    July 1, 2000 – July 31, 2000

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    March 1, 1999 – March 31, 1999

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    July 1, 1995 – July 31, 1995

    Resolved
  • Treatment Technique (SWTR and GWR)

    Health-based

    Surface Water Treatment Rule

    June 1, 1994 – June 30, 1994

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Last known contact on file (system is inactive)

Not on record

918-947-7757

AFTON, OK 74331