New Orleans FOG & grease trap rules
Concrete Sewerage and Water Board of New Orleans requirements for food service establishments.
Quarterly and 25-percent cleaning
Requirement: Active-use grease traps must be cleaned at least every three months or when FOG and settled solids reach 25 percent of liquid depth.
Official text: "Grease traps in active use should be cleaned at least once every three months or when the accumulation FOG and settled solids reaches 25% of the grease interceptor’s overall liquid depth - whichever occurs first."
Three-year manifests
Requirement: Businesses must keep grease manifests onsite for three years.
Official text: "Keep manifests on-site for 3 years!"
Inspection
Requirement: Grease traps must be inspected and cleaned regularly.
Official text: "Grease traps must be inspected and cleaned on a regular basis."
Business-owner liability
Requirement: Business owners are liable for all costs associated with removing FOG from the sewer system.
Official text: "The Sewerage and Water Board of New Orleans holds business owners liable for ALL costs associated with the removal of FOG from the sewer system, including damage to adjoining personal property, parking lots, streets, and sewer system repair."