Welty Run
| Welty Run Tributary to Sewickley Creek | |
|---|---|
Location of Welty Run mouth Welty Run (the United States) | |
| Location | |
| Country | United States |
| State | Pennsylvania |
| County | Westmoreland |
| Physical characteristics | |
| Source | Fourmile Run divide |
| • location | about 3 miles southeast of Weltytown, Pennsylvania |
| • coordinates | 40°11′15″N 079°24′06″W / 40.18750°N 79.40167°W |
| • elevation | 2,015 ft (614 m) |
| Mouth | Sewickley Creek |
• location | Norvelt, Pennsylvania |
• coordinates | 40°12′45″N 079°29′35″W / 40.21250°N 79.49306°W |
• elevation | 975 ft (297 m) |
| Length | 6.59 mi (10.61 km) |
| Basin size | 12.66 square miles (32.8 km2) |
| Discharge | |
| • location | Sewickley Creek |
| • average | 20.12 cu ft/s (0.570 m3/s) at mouth with Sewickley Creek |
| Basin features | |
| Progression | Sewickley Creek → Youghiogheny River → Monongahela River → Ohio River → Mississippi River → Gulf of Mexico |
| River system | Monongahela River |
| Tributaries | |
| • left | unnamed tributaries |
| • right | unnamed tributaries |
| Waterbodies | Mammoth Lake |
| Bridges | Shady Lane, Ankney Hill Road, PA 982, Welty Road, County Park Road, Klaka Road, County Road, Holly Place, Mt. Pleasant Road |
Welty Run is a 6.59 mi (10.61 km) long 3rd order tributary to Sewickley Creek in Westmoreland County, Pennsylvania. This is the only stream of this name in the United States.