National Dam Inspection Program. Tamarack Lake Dam 'A' (NDI-PA-00181, PennDER No. 20-47A, SCS No. PA-461A), Ohio River Basin, Mill Run, Crawford County, Commonwealth of Pennsylvania. Phase I Inspection Report,
Abstract
Tamarack Lake is impounded by two separate dams at opposite ends of the reservoir. Tamarack Lake Dam 'A' is located at the northern end of the reservoir and consists of a main embankment, emergency spillway channel, riser intake and outlet conduit, and a diversion dam located to the left of the emergency spillway channel. Tamarack Lake Dam 'B' is located at the southern end of the reservoir and consists of a main embankment, emergency spillway channel, riser intake and outlet conduit, and a saddle dike located to the left of the emergency spillway channel. Tamarack Lake Dam 'A' is 22 feet high and approximately 1000 feet long. A clay core and cutoff trench extend throughout the length of the dam. The minimum width of the core and cutoff trench is 10 feet. The cutoff trench varies in depth below the original ground surface from 4 to 13 feet with the lowest elevation (1195.0 feet) near the location of the outlet conduit.
Document Details
- Document Type
- Technical Report
- Publication Date
- May 01, 1979
- Accession Number
- ADA070616
Entities
People
- C. Y. Chen