Reservoir, PA

Reservoir is an unincorporated community and census-designated place in Blair County, Pennsylvania, United States. Reservoir was first listed as a CDP prior to the 2020 census. The CDP is in south-central Blair County, in the eastern part of Blair Township. Taken together, these details give a newcomer a usable picture of Reservoir, where its history, geography, and current gathering places meet. For Reservoir, the memorable detail is the way older history and current gathering places share one local map. Reservoir is on the south side of the valley of the Frankstown Branch Juniata River.