How to Tell If You Have a Septic, Municipal Sewer, or Drainage Problem — and What to Do First

https://hometriangle.com/blogs/common-plumbing-problems-every-household-encounters-over-time/

Three practical things that matter when deciding how to diagnose your sewer or drainage trouble When a drain acts up, homeowners tend to panic and call the first service number they find. That wastes time and money