Freebase(0.00 / 0 votes)Rate this definition: Effluent. Effluent is an outflowing of water or gas from a natural body of water, or from a human-made structure. Effluent, in engineering, is the stream exiting a chemical reactor.
Show map of the US. Point Marion is a borough in Fayette County, Pennsylvania, United States. The population was 1,159 at the 2010 census, down from 1,333 at the 2000 census. It is served by the Albert Gallatin Area School District.
Most of Marion County is in Indiana's 7th congressional district, which is held by Democrat AndrÃ© Carson. Indiana's 5th congressional district, which runs along the northern edge of the county, is held by Republican Susan Brooks.