Swepsonville Living

Residential Grease

Did you know that cooking grease is the main cause of most residential sewer backups? Sewer backups can cause damage to homes, pose health hazards, and threaten the environment. Grease is frequently poured down the sink drain because the warm oils are liquid and can be poured. It may not appear to be harmful, but as the liquid cools, the grease solidifies inside the pipes, causing a hardened mass. The buildup restricts the flow of sewage and clogs the pipes. You can help prevent pipe blockages and sewer overflows by keeping grease out of the sewer system.


checkPut oil and grease in collection containers.

checkPlace food scraps in waste containers or garbage bags for disposal with solid wastes, or start a compost pile.

checkRemove oil & grease from kitchen utensils, equipment and food preparation areas with scrapers/towels/brooms.

checkKeep grease out of wash water.

checkPlace a wastebasket in the bathroom to dispose of solid wastes, Disposable diapers and personal hygiene products do not belong in the sewer system.

Do Not:

XDo not put food scraps down the garbage disposal. These units only shred solid material into smaller pieces and do not prevent grease from going down the drain.

XPour oil and grease down drains.

XWash fryers/griddles, pots/pans and plates with water until oil and grease are removed.

XPut food scraps down drains.

XUse the toilet as a wastebasket.

Adapted from material from The North Carolina Pretreatment Consortium.