DO
1. Ask a plumber about preventative maintenance on problem sewer lines.
2. Call USD if you have any questions about your sewer line.
3. Obtain a permit from USD if you need to make a lateral repair. If a plumber will be making the repair, he or she should obtain the permit.
4. Use only a licensed contractor to make necessary repairs.
5. Consider installing a backflow preventer to prevent flooding in your building.
6. Recycle oil, paint, and other toxic materials at a recycling center.
8. Remember that storm lines, streets, sidewalks, and trees in public rights-of-way are
maintained by cities.

DO NOT
1. Put grease or egg shells down drains or in garbage disposals.
2. Plant a tree directly over a sewer line. Roots can be problematic.
3. Cut down a curbside tree without checking with the city in which you live.
4. Dig without calling Underground Service Alert at 811 or 1-800-227-2600
5. Proceed automatically with an expensive repair. Always get a second opinion.
6. Use an unlicensed, unknown contractor to make repairs.
7. Forget to locate cleanout in front of building, prior to having a stoppage.
8. Pour anything toxic down the sewer or storm drain.
9. Open a manhole for any reason. USD will do this for you.