Prince's Northwest Lake Dam is an earth dam located in Johnson County, Indiana, built in 1955. It carries a Significant hazard potential classification and has a unsatisfactory condition assessment.
Dam profile
NID height · 20 ft20 ft tall and 250 ft long. 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 Prince's Northwest Lake Dam
The primary purpose of Prince's Northwest Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Floyd Jamison (private).
The dam stands 20 feet tall and stretches 250 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 25 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1955, the structure is well into its service life at over 50 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 unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. The most recent inspection on record was 05/16/2001. That was over 25 years ago.
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Location
| State | Indiana |
| County | Johnson |
| Coordinates | 39.34869, -86.11233 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 250 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 25 acre-ft |
| Max Storage | 25 acre-ft |
| Normal Storage | 7 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Floyd Jamison |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 05/16/2001 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IN03594 |
| Federal ID | IN03594 |
| More Info | State Dam Safety Program |