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.
According to the U.S. Census Bureau, the county has a total area of 347 square miles (900 km 2), of which 343 square miles (890 km 2) is land and 3.9 square miles (10 km 2) (1.1%) is water. Marion County includes the geographic center of the state of Kentucky, which is located 3 miles NNW of Lebanon, just off KY 429. Marion County is Kentucky's most Catholic county. The first Catholic settlers in Kentucky came to Holy Cross in the western part of the county.