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Allegheny County
Sanitary Authority

ALCOSAN- Alleghenny County Sanitary Authority

ALCOSAN
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  • Clean Water Plan
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  • Who We Are
    • Service Area & Facilities
    • Board of Directors & Meetings
    • Leadership & Organization
    • Environmental Stewardship
    • Visit Us
    • Our History
      • History Timeline
    • Finances
  • What We Do
    • Wastewater Treatment
    • System Operations & Maintenance
    • Engineering & Construction
    • Regional Conveyance
    • Environmental Compliance
    • Communications
    • Government Affairs
    • Administration
    • Information Technology
    • Finance
    • Scholastic Outreach & Education
  • Work With Us
    • Business Opportunities
    • Planned & Active Bids
    • Policies & Procedures
    • Supplier Diversity Program
    • Standard Forms
    • Frequently Asked Questions
    • Careers
  • Our Customers
    • Municipal Customers
    • Direct Bill Customers
    • Industrial/Commercial Users
    • Understanding Your Bill
    • Bill Pay Assistance
      • Find a Location
    • Right-To-Know
    • Frequently Asked Questions
    • Contact Us
  • Clean Water Plan
    • Regionalization
    • Plant Expansion
    • Regional Tunnel System
      • Frequently Asked Questions
    • GROW/Source Control
      • Previous GROW Program Grants
    • Sewer Overflow Advisories
    • System Mapping
    • Plan Documents
      • Clean Water Plan
  • Educational Activities
    • Scholastic Upcoming Events
    • Teachers' Toolbox
    • Parent Resources
      • Hands-on Activities
    • Summer Programs
    • Educational Tours
    • Professional Development
    • Internships & Workforce Programming
    • Special Programming
      • National Engineers Week
      • Earth Day
    • W.A.V.E. Program
  • News & Events
    • Latest News
      • News
    • 3 Rivers Proud Newsletter
    • Upcoming Events
      • Calendar
    • Media Resources
    • Video Gallery
    • Annual Open House
      • Open House 2021
    • Board Meetings
    • Receive Updates

Find Us

3300 Preble Avenue
Pittsburgh, PA 15233

(412) 766-4810

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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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