Blue Header

Service Area Map

Click on the interactive map to select and view individual customer municipalities in the ALCOSAN service area.  To view or print an alphabetical list of all customer municipalities, please click HERE.  To be directed to available municipal websites, please select accordingly from the list below.

Aspinwall Borough

Avalon Borough

Baldwin Borough*

Baldwin Township

Bellevue Borough

Ben Avon Borough

Ben Avon Heights Borough

Bethel Park*

Blawnox Borough

Braddock Borough

Braddock Hills Borough

Brentwood Borough

Bridgeville Borough

Carnegie Borough

Castle Shannon Borough

Chalfant Borough

Churchill Borough

Collier Township*

Crafton Borough

Dormont Borough

East McKeesport Borough*

East Pittsburgh Borough

Edgewood Borough

Emsworth Borough

Etna Borough

Forest Hills Borough

Fox Chapel Borough*

Franklin Park Borough*

Green Tree Borough

Heidelberg Borough

Homestead Borough

Indiana Township*

Ingram Borough

Kennedy Township

Kilbuck Township

McCandless Township*

McDonald Borough

McKees Rocks Borough

Millvale Borough


Mt. Lebanon

Mt. Oliver Borough

Munhall Borough

Neville Township

North Braddock Borough

North Fayette Township*

North Huntingdon Twp.*

North Versailles Township

O' Hara Township

Oakdale Borough

Ohio Township*

Penn Hills*

Penn Township*

Peters Township*

Pitcairn Borough

Pittsburgh, City of

Pleasant Hills Borough*

Plum Borough*

Rankin Borough

Reserve Township

Robinson Township*

Ross Township

Rosslyn Farms Borough

Scott Township

Shaler Township

Sharpsburg Borough

South Fayette Township

Stowe Township

Swissvale Borough

Thornburg Borough

Trafford Borough

Turtle Creek Borough

Upper St. Clair Township

Verona Borough*

Wall Borough

West Homestead Borough

West Mifflin Borough*

West View Borough

Western Westmoreland Municipal Auth*

Whitaker Borough

Whitehall Borough

Wilkins Township

Wilkinsburg Borough

Wilmerding Borough

*Communities not served in their entirety

Sewer Overflow Advisory key: Wet Weather overflows have ceased. Rivers, streams and creeks may still be impaired. For more information:

Customer Care at ALCOSAN, we believe it's our duty and privilege to protect, recover and reuse our most valuable resources for the benefit of our customers.

Consent Decree: To comply with provisions set forth in the Clean Water Act, ALCOSAN must meet a series of requirements for planning, design and construction, operation and permitting. For more information

Watershed Education: Leave small leftovers of paint and solvents to dry rather than pouring them down the drain. Learn more

Contact   |   News   |   Events   |   Consent Decree   |   Careers   |   Sitemap

All content © Copyright Allegheny County Sanitary Authority

3300 Preble Avenue
Pittsburgh, PA 15233
(412) 766-4810