Three people were arrested on Wednesday afternoon after Indiana Conservation officers were called to the Bedford boat ramp to check on a suspicious vehicle.
According to Conservation Officer Jim Schreck, while approaching the vehicle one of the people threw a syringe in the river.
Officers searched the vehicle and found heroin and drug paraphernalia.
Police arrested 40-year-old Jessica Abner, 32-year-old Daniel Bailey and 34-year-old Everette Hallatt on charges of possession of a narcotic drug and unlawful possession of a syringe.
Bedford Police officers assisted at the scene.