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Accession Number:
ADA063139
Title:
National Dam Inspection Program. Still Creek Dam (National I.D. Number PA-00700), Schuylkill River Basin, Still Creek, Schuylkill County, Pennsylvania. Phase I. Inspection Report,
Corporate Author:
WOODWARD-CLYDE CONSULTANTS PLYMOUTH MEETING PA
Report Date:
1978-06-01
Abstract:
Still Creek Dam is a zoned rolled earth embankment with riprap facing approximately 1,076 feet long and 86 feet high at the original streambed. The dam was designed with a central core of impervious fill materials extending down to the rock surface. The dam appears to be in relatively good condition. Although some seeps were noted in the downstream area, the seeps are not turbid and show no evidence of soil erosion. No sloughing, displacements or seepage were noted on the crest or face of the dam or at the natural abutments. Evaluation of watershed data from nearby Bear Creek together with the available design information indicates the spillway is capable of passing a flood similar to the Probable Maximum Flood. Therefore, the spillway is considered to be Adequate. A few items of normal maintenance should be performed to improve the overall functioning of the dam. A formal warning system should also be developed for use in the event of impending abnormally high flows downstream.
Pages:
0085
Contract Number:
DACW31-78-C-0048
File Size:
27.41MB
