On Saturday, July 08, 2017 at approximately 1:18pm, Rehoboth Police were dispatched to a small bridge in the area of 190 Perryville Rd.  A resident of Perryville Rd called the Station and stated someone had dumped debris off the bridge and into the stream.  Upon arrival at the scene, the Officers observed a large amount of debris in the stream.  The Rehoboth Fire Department was dispatched to the scene for possible hazmat contamination.  The Fire Department examined the materials and determined there was little to no environmental impact.  The Fire Department removed the debris from the stream, and with the assistance of the Rehoboth Highway Department the debris was transported to the Highway Garage.  Once at the garage the debris was photo’d and examined by the Rehoboth Police Department.  Preliminary investigation indicates the debris was dumped into the stream sometime late Friday night or early Saturday morning.  The appears to have originated from some type of Truck/Automotive Repair Facility.  The debris contained approximately a dozen used passenger vehicle type tires.  Several large capped and empty plastic containers of heavy duty diesel motor oil, anti-freeze, and hydraulic fluid.  There were also several large heavy duty buckets.  The incident is under investigation by the Rehoboth Police Department.  Anyone with information regarding this incident is urged to contact the Rehoboth Police Department at 1-508-252-3722