The Jarrettsville Volunteer Fire Company was alerted to respond an engine and supply to the scene of a working dwelling fire located in the 11000 Block of Glen Arm Road, Long Green VFC first due. First arriving units encountered heavy fire conditions which brought in multiple mutual aid companies to the scene. Supply 781 secured a water source at a nearby pond while Engine 712 reported to the scene. Units remained on scene for an extended period of time before returning to service.