Wyndemere Swm Pond
Wyndemere Swm Pond is an earth dam located in Howard County, Maryland, built in 1995. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Wyndemere Swm Pond
The primary purpose of Wyndemere Swm Pond 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 Jjm, Inc. (private). It impounds the Patuxent River-tr near Laurel.
The dam stands 13 feet tall and stretches 380 feet across, has a maximum storage capacity of 8 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1995, the structure is 31 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 05/19/2022.
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Location
| State | Maryland |
| County | Howard |
| Nearest City | Laurel |
| River/Stream | Patuxent River-tr |
| Coordinates | 39.12147, -76.85820 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 380 ft |
| Year Completed | 1995 (31 years old) |
Storage & Hydraulics
| NID Storage | 8 acre-ft |
| Max Storage | 8 acre-ft |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,443 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | JJM, Inc. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/19/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MD00365 |
| Federal ID | MD00365 |
| More Info | State Dam Safety Program |