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.
The Historic Marion County Courthouse. in the center of the Yellville square. Marion County, located in north-central Arkansas, is Arkansas's 35th county and its first following statehood in 1836. The county was named for Francis Marion, an American General in the Revolutionary War. The county was originally formed from parts of what is now Searcy County.