At 3:20 PM, Stations 16 & 17 were activated to 209 3rd avenue for a report of an explosion. A 17 firefighter was on scene and reported structural damage to the Sewage Authority Pump House building. Engine 16, Medic 16, Squad 17 & Utility 17 arrived on scene within minutes and found The explosion occurred in the Mid Mon-Valley Sewage Authority's building which houses one of the pump stations for the communities. The building was investigated and no active fire was found. Firefighters secured the building and turned the scene over to the Mid Mon-Valley Sewage Authority. Great work to all involved!