Little Sewickley Creek

Lowber is an unincorporated community in Westmoreland County, Pennsylvania, United States. The community is 2.5 miles (4.0 km) north of West Newton. Lowber has a post office, with ZIP code 15660 and is the home of Lowber Volunteer fire department and a small park. This area does not have enough people living in the area to be called a town, so it is a village. The town has a Building which now occupies a company that used to be a school in the Yough school district. In the park there is the old school's bell.

Jacks Run is a 9.44 mi (15.19 km) long 3rd order tributary to Sewickley Creek in Westmoreland County, Pennsylvania.

Sewickley Creek is a 29.53 mi (47.52 km) long 4th order tributary to the Youghiogheny River in Westmoreland County, Pennsylvania. This is the only stream of this name in the United States.

Collinsburg is a census-designated place located in Rostraver Township, Westmoreland County in the state of Pennsylvania, United States. As of the 2010 census the population was 1,125 residents.

Yough Senior High School is a high school located in the southeastern region of Westmoreland County, Pennsylvania, USA (Parents of Students/Staff/Educators). The school is operated by the Yough School District. Students attend from borough of West Newton and the townships of Sewickley and South Huntingdon. Yough High School has graduating class sizes from 180 to 200.

Kelly Run is a 2.83 mi (4.55 km) long 1st order tributary to Sewickley Creek in Westmoreland County, Pennsylvania.

Pollock Run is a 5.55 mi (8.93 km) long 2nd order tributary to the Youghiogheny River in Allegheny County, Pennsylvania. This is the only stream of this name in the United States.

Browneller Run is a 1.96 mi (3.15 km) long 2nd order tributary to the Youghiogheny River in Fayette County, Pennsylvania. This is the only stream of this name in the United States.

Industry is an unincorporated community and census-designated place in Allegheny County, Pennsylvania.

Hutchinson is a village located in Westmoreland County, Pennsylvania, United States, and is part of Sewickley Township. As of the 2000 census, Hutchinson had 99 single family homes, and a total population of 322. Although only about the size of a small subdivision, Hutchinson has its own post office and zip code: 15640. Hutchinson was built as a coal mining town in 1924, and is geographically located above the Hutchinson Mine. The community was named for S. P. Hutchinson, president of Westmoreland Coal Company at the time the town was built. Because it was built much later than nearby "coal patch" towns, Hutchinson was distinguished by an unusually spacious layout, in which houses had larger yards than one would find in older coal mining communities.

Yohoghany is an unincorporated community in Westmoreland County, in the U.S. state of Pennsylvania.

Smithdale is an unincorporated community and coal town in Allegheny County, Pennsylvania, United States. It is located in Elizabeth Township in the southeastern corner of Allegheny County, along the south bank of the Youghiogheny River. Immediately to the southeast is Collinsburg in Westmoreland County. To the north across the river is Sutersville, also in Westmoreland County.