National Dam Inspection Program. Panther Lake Dam. Delaware River Basin, Freeling Run, Pike County, Pennsylvania (NDI ID Number PA-00416, DER ID Number 52-157), Panther Lake Property Owners Association. Phase I Inspection Report,
GANNETT FLEMING CORDDRY AND CARPENTER INC HARRISBURG PA
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Panther Lake Dam is a homogeneous, earthfill embankment. It is about 19 feet high at its maximum section and is 665 feet long, including the spillway. The embankment is founded on earth. The spillway is located at the right abutment and consists of an approach channel, a concrete weir, a stilling basin, and an outlet channel. The crest length is 67.2 feet. The spillway crest is 4 feet lower than the top of the dam. The outlet works is located at the maximum section of the embankment and consists of an intake structure, a 30-inch diameter reinforced concrete conduit, and an outlet structure. Based on visual inspection, available records, calculations, past operational performance, and according to criteria established for these studies, Panther Lake Dam is judged to be in good condition. The spillway will pass about 60 percent of the Probable Maximum Flood PMF without overtopping of the dam. No stability problems were evident for the embankment or the appurtenant structures at the time of the visual inspection.
- Civil Engineering