A criminal investigation by the California Department of Fish and Wildlife’s (CDFW) Law Enforcement Division and the Stockton Police Department has resulted in a suspect being identified and charged on suspicion of a September 2024 illegal petroleum dumping incident that impacted the Smith Canal Waterway in Stockton. … The multi-agency effort recovered oil from the waterway and removed impacted soil along the canal. David Andrew Sump was arrested and arraigned on charges stemming from his alleged role in dumping approximately 280 gallons of waste oil into the waterway and surrounding environment.