MRTSA is an authority of the communites we serve. Our Board of Directors is made up of two representatives from each of those communities. MRTSA serves approximately 74,000 residents in 6 communities, which covers 14.38 square miles. For more information click on the links below.

Baldwin Twp.
Originally a member of South Hills Ambulance, this community combined efforts with Mt. Lebanon on January 1, 1977. Baldwin has a population of 2,244 and covers 1.02 sq. miles.

Castle Shannon
Originally a member of South Hills Ambulance, this community combined efforts with Mt. Lebanon on January 1, 1977. Castle Shannon has a population of 8,556 and covers 1.51 sq. miles

Dormont
Originally a member of South Hills Ambulance, this community combined efforts with Mt. Lebanon on January 1, 1977. Dormont has a population of 9,305 and covers .76 sq. miles.

Green Tree
Joined the authority in April of 1995. Green Tree has a population of 4,719 and covers 2.02 sq. miles.

Mt. Lebanon
EMS calls were first answered in this community on October 27, 1975. Mt. Lebanon was one of the pioneer communities in creating what is known today as MRTSA. Current population is 33,362 within 5.88 sq. miles.

Whitehall
Joined the authority in 1992. Whitehall has a population of 14,444 and covers 3.19 sq. miles.