DCL 100 Celebrates The Anniversary of Deep Creek Lake If you visit Deep Creek Lake this year, you’ll likely see signs and information about DCL 100 – the Anniversary of Deep Creek Lake. In 1923, The Youghiogheny Hydro-Electric Corporation started building a project to create a hydro-electric dam, which would eventually become Deep Creek Lake.Continue reading “DCL100: Celebrating 100 Years of Deep Creek Lake”