Water and Wastewater Terms Beginning I

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interceptor

Typically, a large-diameter pipe that acts as a main trunk of a wastewater collection system. The interceptor is fed from collection mains, which are fed by laterals. In small communities, a septic tank or other holding tank that serves as a temporary wastewater storage reservoir for a septic tank effluent pump (STEP) system may be called an interceptor. Also see septic tank.