Technical Bulletin No. 0918: Long-Term Receiving Water Study Data Compendium: September 2003 to December 2004
The NCASI Long-Term Receiving Water Study (LTRWS), begun in 1998, is a 10 to 20 year project involving four different U.S. receiving waters: Codorus Creek, Pennsylvania; the Leaf River, Mississippi; the McKenzie River, Oregon; and the Willamette River, Oregon.