When a Septic Emergency Hits, Every Minute Counts 24 hour septic pumping is an emergency service that removes waste from an overflowing or full septic tank at any time — day or night — to prevent sewage backups, property damage, and health hazards. Quick answer — signs you need emergency septic pumping right now: Toilets, sinks, or tubs draining slowly or backing up completely Gurgling sounds coming from drains or pipes Strong sewage odors inside or outside your home Standing