Sanitary Sewer Overflows
What You Should Know!
When a sewer overflows, it is usually the result of inappropriate materials in the sanitary sewer system. Please help prevent sewer back-ups and overflows!
The sanitary sewer system is the network of underground pipes that carry wastewater from your sinks, toilets, showers, bathtubs, and interior floor drains to the wastewater treatment plant where it is cleaned and treated before discharging into the Neuse River.
Luckily, most sewer back-ups and overflows can be prevented with a progressive preventive maintenance program. We can all help prevent them by wisely using Raleigh's sanitary sewer system. The City is recruiting customer partners who are willing to join our efforts to prevent sewer back-ups and overflows.
Sewer back-ups and overflows are frequently caused by improper materials such as fats, oils and grease being placed into the sanitary sewer system by the City's customers. Since fats, oils and grease are lighter than water, they tend to accumulate at the top and sides of sewer pipes and can build up until a blockage occurs. If a blockage happens, the sewer backs up or overflows resulting in property and environmental damage.
The City of Raleigh's Sewer Use Ordinance requires that restaurants install and maintain grease traps and/or interceptors to prevent grease from entering the sewer system. However, there are many more household kitchens than there are restaurants in Raleigh. By reducing the amount of fats, oils and grease that enter the sewer system from homes, you can help to protect the environment by preventing sewer back-ups and overflows!
Sanitary sewer systems are designed to handle three things: used water, human body waste, and toilet paper. You can do some simple things that will help the City protect water quality and maintain the sewer system in Raleigh.
Actions You Can Take to Prevent Sewer Overflows
- Collect grease in a container and dispose of it in the garbage.
- Do NOT pour grease, fats, and oils from cooking down the sink drain.
- Place food scraps in waste containers or garbage bags for disposal with your weekly garbage collection or placed your food scraps in a compost pile.
- Do NOT use the sewer system as a means to dispose of food scraps.
- Place a wastebasket in the bathroom to dispose of garbage. Disposable diapers, condoms, and personal hygiene products do not belong in the sewer system.
- Do NOT use the toilet as a wastebasket.
These suggestions can save you money! Most sewer back-ups occur between the house and the City's sewer main. If there is a blocked sewer service between the house and the City's sewer main, the property owner is responsible for correcting the problem. Avoiding blockages means avoiding plumbing bills! When the blockage occurs in the City's sewer main, the City will correct the problem.
Reporting Overflows or Backups
To report a sewer back-up or overflow, please call the Public Utilities Operations Division at 919-996-2737. After hours, call the after-hours emergency number at 919-829-1930.
Reporting a problem could earn you $50, if you are the first to notify us of a Sanitary Sewer Overflow.