Welcome to UAJSA

The Upper Allegheny Joint Sanitary Authority (UAJSA) is a wastewater treatment facility that has been in operation since 1962. Located in Creighton, Pennsylvania UAJSA has been a Contact Stabilation mode Activated Sludge system since 1982 after the facility under went major renovations. UAJA utilizes aerobic digestion and a belt filter press and for disinfection uses an Ultra Violet system.  Learn More…


UAJSA serves the following municipalities across Allegheny county:
  • Brackenridge Borough
  • Buffalo Township (Butler County)
  • East Deer Township
  • Fawn Township
  • Frazer Township
  • Harrison Township
  • Tarentum Borough
  • West Deer Township

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UAJSA Updates

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