Warner Gap Hollow Dam, also known as Edgemont, is a vital water supply structure located in Washington County, Maryland.
Wind
Humidity
Built in 1902, this earth dam stands at a height of 65 feet and spans 700 feet in length, containing a storage capacity of 296 acre-feet. It serves the primary purpose of providing water supply to the surrounding area, with a drainage area of 2.3 square miles and a normal storage level of 246 acre-feet.
Despite its historical significance, Warner Gap Hollow Dam has been classified with a high hazard potential and an unsatisfactory condition assessment, prompting regular inspections and maintenance measures. The dam's spillway operates on an uncontrolled basis, with a spillway width of 25 feet. In 1993, the dam underwent hydraulic and structural modifications to enhance its safety and reliability, under the supervision of Whitman, Requardt & Assoc. The dam is subject to state regulatory oversight by the Maryland Dam Safety agency, ensuring compliance with safety standards and enforcement measures.
Warner Gap Hollow Dam's association with the Warner Gap Hollow Creek and its critical role in water supply maintenance make it a significant infrastructure element in the region. With a moderate risk assessment rating and notable historical background, the dam presents an intriguing case study for water resource and climate enthusiasts interested in the intersection of infrastructure, environmental regulations, and risk management practices.
Years Modified |
1993 - Hydraulic, 1993 - Structural |
Year Completed |
1902 |
Dam Length |
700 |
Dam Height |
65 |
River Or Stream |
Warner Gap Hollow Creek |
Primary Dam Type |
Earth |
Surface Area |
12 |
Drainage Area |
2.3 |
Nid Storage |
296 |
Outlet Gates |
Slide (sluice gate) - 0 |
Hazard Potential |
High |
Foundations |
Rock |
Nid Height |
65 |