Brinker Run (Sewickley Creek tributary)

Adam Fisher Homestead, also known as Artuso Farm, is a historic home and farm located in Mount Pleasant Township, Westmoreland County, Pennsylvania. The house was built about 1837, and is a two-story, five bay brick dwelling with a cut sandstone foundation in a vernacular Federal style. The farmstead includes the following contributing outbuildings: combination Smoke house / bake oven / coalhouse, combination summer kitchen / wash house, and cooper's shed.It was added to the National Register of Historic Places in 1991.

Norvelt is a census-designated place in Mount Pleasant Township, Westmoreland County, Pennsylvania, United States, founded in 1934 as Westmoreland Homesteads. In 1937 it was renamed to honor Eleanor Roosevelt. The community was part of the Calumet-Norvelt CDP for the 2000 census, but was split into the two separate communities of Calumet and Norvelt for the 2010 census. Calumet was a typical company town, locally referred to as a "patch" or "patch town", built by a single company to house coal miners as cheaply as possible. On the other hand, Norvelt was created during the Great Depression by the federal government of the United States as a model community, intended to increase the standard of living of laid-off coal miners. Award winning writer Jack Gantos was born in the village and wrote two books about it

Calumet is a census-designated place in Mount Pleasant Township, Westmoreland County, Pennsylvania, United States. Although the United States Census Bureau included it as a census-designated place with the nearby community of Norvelt for the 2000 census, they are in reality two very different communities, each reflecting a different chapter in how the Great Depression affected rural Pennsylvanians. As of the 2010 census, Calumet-Norvelt was divided into two separate CDPs officially. Calumet was a typical "patch town," another name for a coal town, built by a single company to house coal miners as cheaply as possible. The closing of the Calumet mine during the Great Depression caused enormous hardship in an era when unemployment compensation and welfare payments were nonexistent. On the other hand, Norvelt was created during the depression by the US federal government as a model community, intended to increase the standard of living of laid-off coal miners.

Calumet-Norvelt was a census-designated place (CDP) in Westmoreland County, Pennsylvania, United States. The community was divided into the two separate communities of Calumet and Norvelt for the 2010 census. Although the US Census treats Calumet and Norvelt as a single community, they are in reality two very different communities, each reflecting a different chapter in how the Great Depression affected rural Pennsylvanians. Calumet was a typical "patch town", built by a single company to house its miners as cheaply as possible. The closing of the Calumet mine during the Great Depression caused enormous hardship in an era when unemployment compensation and welfare payments were non-existent. On the other hand, Norvelt was created during the depression by the US federal government as a model community, intended to increase the standard of living of laid-off coal miners.

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.

Southwest is an unincorporated community in Westmoreland County, Pennsylvania, United States near Pennsylvania Route 981. It has the ZIP code 15685.

United is located in Mount Pleasant Township, Westmoreland County, Pennsylvania, United States. It is a community located near Norvelt.

Boyer Run is a 2.98 mi (4.80 km) long 2nd order tributary to Sewickley Creek in Westmoreland County, Pennsylvania.

Township Line Run is a 5.82 mi (9.37 km) long 2nd order tributary to Sewickley Creek in Westmoreland County, Pennsylvania. Township Line Run straddles to boundary between Unity and Hempfield Township and of Mount Pleasant and Hempfield Township. This is the only stream of this name in the United States.

The 2020 Pennsylvania Turnpike crash occurred in Mount Pleasant, Pennsylvania, on the Pennsylvania Turnpike in icy conditions at around 3:40 am on January 5, 2020. It was sparked by a 52-passenger tour bus traveling downhill, which struck an embankment and flipped on its side, causing a chain-reaction crash of two UPS trucks, a FedEx truck, and at least one other vehicle. Five people were killed, at least 60 people were injured, and an 86-mile (138 km) stretch of the Pennsylvania Turnpike was shut down in both directions as the crash was being investigated.

Armbrust is an unincorporated community which is located in Hempfield Township, Westmoreland County, Pennsylvania, United States. The community is situated along Pennsylvania Route 819, 1.8 miles (2.9 km) southeast of Youngwood.

Mount Pleasant Area Junior/Senior High School is a public high school in Mount Pleasant Township, Westmoreland County, Pennsylvania. It is part of the Mount Pleasant Area School District. It enrolls 1200 students in grades 7-12. It is located off Pennsylvania Route 981. The high school was opened in 1964, and the junior high was added in 1975.