City of Monongahela - PA .gov
Official Site of the City of Monongahela Pennsylvania
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| Springtime View of Chess Park ~ City of Monongahela Pennsylvania | |||
| NEW-Tax Information Available Online | |||
| Monongahela is a city in Washington County, Pennsylvania. It is located approximately 17 miles southeast of Pittsburgh along the west bank of the Monongahela River, and is part of the Pittsburgh Metropolitan Area. | |||
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