sewer backup safety 13
https://mysewerbackupsafetylab.halcyonledger.com/posts/navigating-sewer-backup-safety-after-a-flood-event
If your basement sewer backs up, stay out of the water—it may contain raw sewage and harmful bacteria. Turn off power to any wet areas, avoid flushing toilets or running sinks, and call a licensed plumber. Quick action protects your home and health.