National Dam Inspection Program. Elmhurst Dam (NDS ID 296), Susquehanna River Basin, Roaring Brook, Lackawanna County, Pennsylvania. Phase I Inspection Report.
Abstract
Based on the visual inspection, available records, calculations and past operational performance, Elmhurst Dam is judged to be in good condition. However, the spillway (stone masonary gravity and concrete chute) will not pass the Probable Maximum Flood (PMF) without overtopping the dam. Therefore, based on criteria established for these studies by the Department of the Army, Office of the Chief of Engineers (OCE), the spillway capacity is rated as inadequate. The spillway will pass one-half the PMF without overtopping the dam. Therefore, based on the OCE criteria established for these studies, the spillway capacity is not rated as seriously inadequate. The existing spillway can accommodate a flood with a peak inflow of 80 percent of the PMF peak flow. Due to the potential for overtopping of the dam, it is recommended that the Owner develop a detailed emergency operation and warning system for Elmhurst Dam as soon as practical.
Document Details
- Document Type
- Technical Report
- Publication Date
- May 01, 1978
- Accession Number
- ADA068853