Lottes Lake Dam
Lottes Lake Dam is an earth dam located in Dubois County, Indiana, built in 1937. It carries a Significant hazard potential classification and has a poor condition assessment.
About Lottes Lake Dam
Lottes Lake Dam is a dam in Dubois, Indiana. The dam is owned by The Lottes Family Trust (private). It impounds the Patoka River.
The dam stands 23 feet tall and stretches 630 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 153 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1937, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 01/30/2019.
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Location
| State | Indiana |
| County | Dubois |
| River/Stream | Patoka River |
| Coordinates | 38.41966, -86.92489 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 630 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 153 acre-ft |
| Max Storage | 153 acre-ft |
| Normal Storage | 109 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 164 cfs |
| Spillway Type | None |
Ownership & Safety
| Owner | THE LOTTES FAMILY TRUST |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 01/30/2019 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IN00303 |
| Federal ID | IN00303 |
| More Info | State Dam Safety Program |