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Allegheny County
Sanitary Authority

ALCOSAN- Alleghenny County Sanitary Authority

ALCOSAN
  • Who We Are
    • Service Area & Facilities
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    • Our History
    • Finances
  • What We Do
    • Wastewater Treatment
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    • Contact Us
  • Clean Water Plan
    • Regionalization
    • Plant Expansion
    • Regional Tunnel System
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  • Home
  • What We Do

  • Follow the Flush

Find Us

3300 Preble Avenue
Pittsburgh, PA 15233

(412) 766-4810

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    See if I am a Customer Understand My Bill Learn About Bill Pay Assistance Attend a Board Meeting Work With ALCOSAN Apply for a Job Get a Permit Know About Construction Visit ALCOSAN Share a Comment/Question
  • Contact Us
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Upcoming Events

  • May 03
  • Frankie's Science Days
  • 9:30 AM
  • ALCOSAN
  • May 03
  • Pittsburgh Riverhounds Mascot AMO’s Birthday Bash!
  • 5:30 PM
  • Highmark Stadium| 510 West Station Square Drive
  • May 08
  • Professional Services Committee
  • 2:00 PM
  • ALCOSAN

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CSO Alert

Overflows have ceased; Waterways may still be impaired. In: 04/29/2025 - 05:23 PM Out: 04/29/2025 - 07:54 PM

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