For sewer, street, and water emergencies, please immediately call Public Works Dispatch at (714) 647-3380. You can call 24 hours a day, seven days a week. For less urgent matters, you can report many issues such as fallen tree branches, graffiti and potholes by using the mySantaAna app. Download mySantaAna App at https://www.santa-ana.org/mysantaana-app/.