Isaac Walton Dam is an earth dam located in Prince George County, Virginia. It carries a Undetermined hazard potential classification.
Dam profile
NID height · 10 ft10 ft tall. 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 Isaac Walton Dam
The primary purpose of Isaac Walton Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Larry and Judith Henshaw (private). It impounds the Second Swamp - Vahu6 Cu52 Second Swamp near Petersburg.
The dam stands 10 feet tall, has a maximum storage capacity of 460 acre-feet, and collects water from a drainage area of 9 square miles.
The most recent inspection on record was 08/30/2022.
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Location
| State | Virginia |
| County | Prince George |
| Nearest City | Petersburg |
| River/Stream | Second Swamp - Vahu6 Cu52 Second Swamp |
| Coordinates | 37.16670, -77.32540 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
Storage & Hydraulics
| NID Storage | 460 acre-ft |
| Max Storage | 460 acre-ft |
| Normal Storage | 86 acre-ft |
| Drainage Area | 9 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Larry and Judith Henshaw |
| Owner Type | Private |
| Hazard Classification | Undetermined |
| Condition Assessment | Not assessed |
| Last Inspection | 08/30/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | VA149008 |
| Federal ID | VA149008 |
| More Info | State Dam Safety Program |