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.
Marion is located in eastern Crittenden County at 35Â°12â²22â³N 90Â°12â²6â³Wï»¿ / ï»¿35.20611Â°N 90.20167Â°Wï»¿ / 35.20611; -90.20167 (35.206092, -90.201734). It is bordered by the city of West Memphis to the south and by Sunset and Clarkedale to the north.