What can I do to prevent sanitary sewer back-ups?

Never flush any of the following items down your toilet: disposable diapers, sanitary napkins, bandages, rags, paper towels, pre-moistened cleaning wipes, and plastics bags. Anything that will not completely dissolve can cause a back-up.

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1. How does my wastewater get into the City of Redmond’s sewer?
2. How close to my lateral sewer pipe can I plant trees?
3. Can I flush wipes (cleaning, facial, or baby wipes) down the toilet even if they're labeled "flushable"?
4. What can I do to prevent sanitary sewer back-ups?
5. What causes a sewer to back-up?
6. Can I plant over manholes or clean outs in my yard?
7. What causes sewer odors in my home?
8. What should I do if I have a sewer back-up?
9. How can I find out if there is a wastewater utility easement on my property and what activities are permitted within that area?
10. I have a grinder or STEP (Septic Tank Effluent Pumping) system. How do these systems work? Is there anything else I should know?
11. How can I tell that I have a problem with my plumbing?
12. Where do the majority of sewer back-ups occur?
13. Will the City "unclog" my lateral sewer pipe?
14. What are those City of Redmond Wastewater trucks doing in my street?
15. Who do I contact if I need work performed on my lateral sewer pipe?
16. How can I determine where my lateral sewer pipe is located?
17. Who do I contact if a back-up in the City’s sewer main has caused damage to my property?