Grease-interceptor cleaning frequency depends on the interceptor size, food-service volume, local sewer authority requirements and measured grease and solids accumulation. Many programs use a 25% grease-and-solids threshold, while some local authorities specify a fixed inspection or pumping schedule. Operators should follow the specific requirements for their address and maintain service records; a universal three-month or six-month rule is not reliable.
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For more context about this type of plumbing issue, read our related Oklahoma City guide.
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