Cortland Manor Swm Dam is an earth dam located in Washington County, Maryland, built in 2006. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 320 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Cortland Manor Swm Dam
The primary purpose of Cortland Manor Swm Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Cortpark, LLC (private). It impounds the Antietam Creek-tr near Hagerstown.
The dam stands 15 feet tall and stretches 320 feet across, has a maximum storage capacity of 69 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 2006, the structure is relatively new.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 07/07/2016. That was over 10 years ago.
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Location
| State | Maryland |
| County | Washington |
| Nearest City | Hagerstown |
| River/Stream | Antietam Creek-tr |
| Coordinates | 39.66130, -77.69400 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 320 ft |
| Year Completed | 2006 (20 years old) |
Storage & Hydraulics
| NID Storage | 69 acre-ft |
| Max Storage | 69 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 2,930 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Cortpark, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/07/2016 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MD00429 |
| Federal ID | MD00429 |
| More Info | State Dam Safety Program |