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 near the center of Crittenden County at 37Â°19â²57â³N 88Â°4â²45â³Wï»¿ / ï»¿37.33250Â°N 88.07917Â°Wï»¿ / 37.33250; -88.07917 (37.332505, -88.079051). U.S. Route 60 and U.S. Route 641 intersect in the center of town.