Hamilton & Ridlen Lake Dam
Hamilton & Ridlen Lake Dam is an earth dam located in Scott County, Indiana, built in 1952. It carries a Significant hazard potential classification and has a poor condition assessment.
About Hamilton & Ridlen Lake Dam
The primary purpose of Hamilton & Ridlen Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Bob And Valerie Houston (private). It impounds the Big Ox Creek near Austin-offstream.
The dam stands 22 feet tall and stretches 540 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 143 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1952, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 01/24/2019.
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Location
| State | Indiana |
| County | Scott |
| Nearest City | Austin-offstream |
| River/Stream | Big Ox Creek |
| Coordinates | 38.67755, -85.83814 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 540 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 143 acre-ft |
| Max Storage | 143 acre-ft |
| Normal Storage | 111 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 178 cfs |
| Spillway Type | None |
Ownership & Safety
| Purpose | Recreation |
| Owner | BOB AND VALERIE HOUSTON |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 01/24/2019 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IN00411 |
| Federal ID | IN00411 |
| More Info | State Dam Safety Program |