55Total Dams
11High Hazard
16Significant
Dam Safety in Johnston County, North Carolina
Johnston County has 55 dams tracked in the National Inventory of Dams. Of these, 11 are classified as high hazard — meaning failure would probably cause loss of human life. Another 16 carry a significant hazard classification. Currently, 7 dams have a condition assessment of poor or unsatisfactory.
The average dam in Johnston County is 97 years old. The most common purpose is recreation. The tallest dam is Earp Lake Dam at 38 ft.
Explore more: Oldest dams in North Carolina · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Earp Lake Dam | High | Fair | 38 | Irrigation | 1967 |
| James Wright Pond Dam | High | Fair | 25 | Recreation | |
| Miry Branch Dam | High | Poor | 21 | Flood Risk Reduction | |
| Son Lan Lee Shipwash Dam | High | Fair | 20 | Irrigation | |
| Regal Pond Dam | High | Fair | 19 | Fish and Wildlife Pond | 1991 |
| Berry Downs Dam | High | Fair | 18 | Recreation | |
| Keen Lake Dam #1 | High | Fair | 18 | Fire Protection, Stock, Or Small Fish Pond | 1900 |
| Terry Parker Pond Dam | High | Fair | 18 | Fish and Wildlife Pond | 2010 |
| Ronald Barbour Dam | High | Fair | 0 | Fish and Wildlife Pond | |
| Hamilton Pond Dam | High | Poor | 0 | Irrigation | 1940 |
| Wells Brothers Upper Dam | High | Poor | 0 | Other | |
| Flowers Lake Dam #1 | Significant | Fair | 25 | Fire Protection, Stock, Or Small Fish Pond | |
| Parker Lagoon Dam | Significant | Not assessed | 24 | Other | |
| Smith Dam | Significant | Fair | 24 | Fire Protection, Stock, Or Small Fish Pond | |
| Charles Byrd Dam | Significant | Not assessed | 23 | Recreation | 1988 |
| Mooneyham Dam | Significant | Satisfactory | 22 | Fire Protection, Stock, Or Small Fish Pond | |
| Flowers Dam | Significant | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | |
| Flowers Pond Dam #2 | Significant | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | |
| Cattail Lake Dam | Significant | Satisfactory | 17 | Fish and Wildlife Pond | 1937 |
| Fowler Pond Dam | Significant | Fair | 16 | Recreation | |
| J&m Hog Lagoon Dam | Significant | Not assessed | 16 | Irrigation | |
| Austin Lake Dam | Significant | Fair | 16 | Other | 1900 |
| Mcgee Lake Dam | Significant | Not assessed | 15 | Recreation | 1900 |
| Parker Millpond Dam | Significant | Not assessed | 14 | Irrigation | 1800 |
| Lassiter Lake Dam | Significant | Satisfactory | 12 | Irrigation | 1920 |
| Bryan Lake Dam | Significant | Poor | 12 | Irrigation | 1874 |
| Massengill Millpond Dam | Significant | Satisfactory | 10 | Recreation | 1900 |
| Raleigh Rescue Mission Dam | Low | Fair | 32 | Irrigation | |
| Chamblee Dam | Low | Fair | 30 | Recreation | |
| Smith Lake Dam #2 | Low | Satisfactory | 30 | Fire Protection, Stock, Or Small Fish Pond | |
| Johnston County Wildlife Lake Dam | Low | Fair | 30 | Recreation | 1957 |
| Union Carbide Lake Dam | Low | Not assessed | 29 | Flood Risk Reduction | |
| Lee Lake Dam | Low | Fair | 28 | Fire Protection, Stock, Or Small Fish Pond | |
| White Oak Farms Dam | Low | Poor | 26 | Fire Protection, Stock, Or Small Fish Pond | |
| Chamblee Dam | Low | Not assessed | 25 | Irrigation | |
| Temple Pond Dam | Low | Fair | 25 | Recreation | |
| Atkinson Lake Dam | Low | Fair | 25 | Recreation | 1959 |
| Delmer Flowers Dam | Low | Fair | 25 | Recreation | |
| Langdon Lake Dam #1 | Low | Fair | 24 | Irrigation | 1940 |
| Blackmon Pond Dam | Low | Not assessed | 23 | Fire Protection, Stock, Or Small Fish Pond | |
| Gates Pond Dam | Low | Satisfactory | 20 | Recreation | |
| Sylvania Lake Dam | Low | Not assessed | 20 | Recreation | 1973 |
| Holt Lake Dam | Low | Satisfactory | 20 | Recreation | 1900 |
| Barbour Pond Dam | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1982 |
| Lake Eva Marie Dam | Low | Poor | 18 | Other | |
| Tar Heel Farm Lake Dam | Low | Not assessed | 17 | Irrigation | 1957 |
| Rose Lake Dam | Low | Satisfactory | 16 | Fire Protection, Stock, Or Small Fish Pond | |
| Brown Lake Dam | Low | Satisfactory | 15 | Irrigation | 1955 |
| Lake Andrew Acres Dam | Low | Not assessed | 15 | Irrigation | 1967 |
| Holt Millpond Dam | Low | Not assessed | 15 | Other | 1900 |
| Langdon Lake Dam #2 | Low | Poor | 15 | Irrigation | 1954 |
| Atkinson Millpond Dam | Low | Not assessed | 12 | Other | 1930 |
| Godwin Lake Dam | Low | Fair | 12 | Irrigation | 1900 |
| Lake Wendell Dam | Low | Not assessed | 8 | Recreation | 1900 |
| Lake Austin Dam | Low | Not assessed | 8 | Recreation | 1800 |