The blaze broke out at the Phillips 66 on Route 206 just after 9 a.m., the Stanhope Fire Department said.
Several fire crews responded to the scene and found that the flames had spread and were quickly engulfing the gas station, the department said.
The blaze was doused with an “aggressive attack,” and one person was taken to a local hospital for evaluation, authorities said.
The fire remains under investigation, officials said.
Assisting agencies include the Stanhope-Netcong American Legion Ambulance Corps (SNALAC), Lakeland Emergency Squad, Byram Township Police, Stanhope Police and Byram Township Fire Department.
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