This report highlights a stormwater pollution incident in Bundaberg, the gateway to the Southern Great Barrier Reef. Despite regulatory protections under the Environmental Protection Act, the region faces threats from agricultural runoff and contaminated water, endangering the pristine marine park. The report emphasizes the complexities of probing water pollution, from identifying culprits to the scarcity of evidence about those responsible. It meticulously outlines the investigative process and diverse techniques utilized in response to a recent stormwater pollution incident. Attendees will gain valuable insights into addressing water contamination challenges, emphasizing the critical role of thorough investigations in safeguarding our water resource.