Rock Run, also known as Coatesville Reservoir, is a private water supply dam located in West Caln Township, Chester County, Pennsylvania.
Wind
Humidity
Built in 1917, this concrete dam stands at a height of 42 feet and has a storage capacity of 1,250 acre-feet. The primary purpose of Rock Run is water supply, serving both recreational and domestic needs in the area.
Managed by the Pennsylvania Department of Environmental Protection, Rock Run is subject to state regulations and inspections to ensure its safety and functionality. Despite being classified as having a high hazard potential, the dam's condition assessment is rated as fair, with the last inspection conducted in July 2020. With a surface area of 61 acres and a drainage area of 5.3 square miles, Rock Run plays a crucial role in water resource management in the region.
Rock Run's historical significance and engineering design make it an important site for water resource and climate enthusiasts to study. With its longevity and continued operation, this dam serves as a reminder of the importance of maintaining and managing water infrastructure for both human and environmental needs. As climate change impacts water resources, understanding and monitoring structures like Rock Run become even more critical for sustainable water supply management.
Years Modified |
2009 - Other |
Year Completed |
1917 |
Dam Length |
583 |
Dam Height |
42 |
River Or Stream |
ROCK RUN |
Primary Dam Type |
Concrete |
Surface Area |
61 |
Drainage Area |
5.3 |
Nid Storage |
1250 |
Hazard Potential |
High |
Foundations |
Unlisted/Unknown |
Nid Height |
42 |