Lake Patrick Henry Dam
Lake Patrick Henry Dam is an earth dam located in Chesterfield County, Virginia. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Lake Patrick Henry Dam
The primary purpose of Lake Patrick Henry Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lpha;lake Patrick Henry Association (private). It impounds the Roberts Branch.
The dam stands 29 feet tall and stretches 410 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 209 acre-feet, and collects water from a drainage area of 0 square miles.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 01/08/2020.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Virginia dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Virginia |
| County | Chesterfield |
| River/Stream | Roberts Branch |
| Coordinates | 37.53680, -77.66640 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 410 ft |
Storage & Hydraulics
| NID Storage | 209 acre-ft |
| Max Storage | 209 acre-ft |
| Normal Storage | 138 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | LPHA;Lake Patrick Henry Association |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 01/08/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | VA041042 |
| Federal ID | VA041042 |
| More Info | State Dam Safety Program |