Units of Measure
Waste and Recycling
Weight and Mass

How much does a gallon of raw sewage weigh?

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Answer

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Wiki User
01/26/2007

There are many variables in defining a 'gallon of raw sewage.' A gallon of water weighs eight pounds. Typical sewage is going to weigh more, depending on the amount of solids that are in it. A gallon of oil weighs less than eight pounds.