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Allegheny County
Sanitary Authority

ALCOSAN- Alleghenny County Sanitary Authority

ALCOSAN
  • Who We Are
    • Service Area & Facilities
    • Board of Directors & Meetings
    • Leadership & Organization
    • Environmental Stewardship
    • Visit Us
    • Our History
    • Finances
  • What We Do
    • Wastewater Treatment
    • System Operations & Maintenance
    • Engineering & Construction
    • Regional Conveyance
    • Environmental Compliance
    • Communications
    • Government Affairs
    • Administration
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    • Scholastic Outreach & Education
  • Work With Us
    • Business Opportunities
    • Planned & Active Bids
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    • Supplier Diversity Program
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    • Careers
  • Our Customers
    • Municipal Customers
    • Direct Bill Customers
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    • Understanding Your Bill
    • Bill Pay Assistance
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    • Contact Us
  • Clean Water Plan
    • Regionalization
    • Plant Expansion
    • Regional Tunnel System
    • GROW/Source Control
    • Sewer Overflow Advisories
    • System Mapping
    • Plan Documents
  • Educational Activities
    • Scholastic Upcoming Events
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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 26
  • Penn Hills Memorial Day Parade
  • 11:30 AM
  • Duff Road|Penn Hills
  • Jun 12
  • Professional Services Committee
  • 2:00 PM
  • ALCOSAN
  • Jun 16
  • ALCOSAN Summer Science Camp 2025 – Grades 4–5
  • 8:00 PM
  • ALCOSAN

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CSO Alert

Overflows have ceased; Waterways may still be impaired. In: 05/21/2025 - 07:39 AM Out: 05/21/2025 - 11:46 AM

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