Sinkhole Swallows PWD Truck. Posted December 31, 2008 by jimmyrocks & filed under Uncategorized. Sinkhole Swallows PWD Truck. “A Philadelphia Water Department truck collapsed into a sinkhole in Germantown this morning that was created by a water main break on Tuesday, officials said.” I must say, it’s like rain on your wedding day! Also check out the comments on Fark.