The report is submitted in accordance with our agreement to supply the Portland District, Corps of Engineers, with preliminary data relative to municipal and industrial water supply and stream quality control considerations associated with reconnaissance studies being conducted by that agency in the Coquille River Basin. The areas and stream reaches of primary concern lie along and downstream from river mile 30 of the South Fork Coquille River and along the main stem Coquille River from the confluence of the North Fork to the mouth at the Pacific Ocean. (Author Modified Abstract)