National Dam Inspection Program. Lake Linganore (NDI-ID Number MD-21) Potomac River Basin, Linganore Creek, Frederick County, Maryland. Phase I Inspection Report,
RUMMEL KELEPPER AND KAHL BALTIMORE MD
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The Lake Linganore Dam consists of an earth embankment approximately 750 feet long and 62.5 feet high at is maximum section. The crest of the dam has a minimum crest width of 12 feet. The flood discharge facilities for the dam include a 48-inch diameter diversion pipe and sluice gate vault, and a 122 foot wide ogee crest spillway. According to the hydrologic and hydraulic analyses, Lake Linganore Dam will overtop by 0.6 foot for a duration of 4 hours during a flood equalling 50 of the Probable Maximum Flood PMF. The analyses indicate that the Lake Linganore Dam spillway can pass approximately 48 of the PMF without overtopping the dam.
- Civil Engineering