Warren Lake Dam
Warren Lake Dam is an earth dam located in Marion County, Indiana, built in 1944. It carries a Significant hazard potential classification and has a fair condition assessment.
About Warren Lake Dam
The primary purpose of Warren Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Hugh Warren (private). It impounds the Unnamed Tributary Fishback Creek.
The dam stands 29 feet tall and stretches 300 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 73 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1944, the structure is well-established, with more than 75 years of service.
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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 08/02/2018.
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Location
| State | Indiana |
| County | Marion |
| River/Stream | Unnamed Tributary Fishback Creek |
| Coordinates | 39.89720, -86.32413 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 25 ft |
| Dam Length | 300 ft |
| Year Completed | 1944 (82 years old) |
Storage & Hydraulics
| NID Storage | 73 acre-ft |
| Max Storage | 73 acre-ft |
| Normal Storage | 39 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,010 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | HUGH WARREN |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 08/02/2018 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IN00749 |
| Federal ID | IN00749 |
| More Info | State Dam Safety Program |