Grease Buckets Attracting Drain Flies in Basking Ridge, NJ This is what caused the drain fly infestation in this restaurant in Basking Ridge, NJ. Related Content: Article: Start Spring Off on the Right Foot Article: A Guide To Drain Flies Case Study: Drain Flies Roaming Throughout the Kitchen in Princeton, NJ Press Release: Top Five Signs of a Termite Infestation Back to Previous Page Back to Videos