1. A pipe bursts or will not stop leaking: Shut off the closest valve or main water supply if it is safe, move people and equipment away, and request urgent pipe repair.

2. Sewage comes up through a drain: Stop using plumbing, keep people away from wastewater, and request sewer backup service.

3. A toilet keeps overflowing: Close the toilet valve and stop flushing. If other fixtures back up too, the shared drain or sewer may be involved.

4. Several drains clog together: Multiple backed up sinks, toilets, or floor drains usually point to a shared line blockage.

5. Water appears on a wall or ceiling: A concealed leak may be spreading. Shut off water if needed and request leak detection.

6. Water pressure suddenly drops: Building wide weak flow can involve a leak, damaged valve, or corroded piping.

7. The business loses hot water: Commercial water heater failure can disrupt restaurants, salons, apartments, and other operations.

8. The building smells like sewage: Odor with gurgling or slow drains can point to a blockage, dry trap, vent, or sewer problem.