Lake Idylwild Dam
Lake Idylwild Dam is an earth dam located in Hanover County, Virginia. It carries a Significant hazard potential classification and has a fair condition assessment.
About Lake Idylwild Dam
The primary purpose of Lake Idylwild Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lake Idylwild Owners Association (private). It impounds the Matadequin Creek.
The dam stands 25 feet tall and stretches 180 feet across, creates a reservoir covering 61 acres, has a maximum storage capacity of 1,000 acre-feet, and collects water from a drainage area of 10 square miles.
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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 05/07/2019.
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Location
| State | Virginia |
| County | Hanover |
| River/Stream | Matadequin Creek |
| Coordinates | 37.63230, -77.22430 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 180 ft |
Storage & Hydraulics
| NID Storage | 1,000 acre-ft |
| Max Storage | 1,000 acre-ft |
| Normal Storage | 486 acre-ft |
| Surface Area | 61 acres |
| Drainage Area | 10 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Lake Idylwild Owners Association |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 05/07/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | VA085020 |
| Federal ID | VA085020 |
| More Info | State Dam Safety Program |