Rich Lake Dam is an earth dam located in Allen County, Indiana, built in 1970. It carries a Significant hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 16 ft16 ft tall and 245 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 Rich Lake Dam
The primary purpose of Rich Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Keith Hall (local government). It impounds the Unnamed Tributary Hamm Interceptor Ditch near Antwerp, Oh.
The dam stands 16 feet tall and stretches 245 feet across, creates a reservoir covering 16 acres, has a maximum storage capacity of 155 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1970, 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 01/21/2021.
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Location
| State | Indiana |
| County | Allen |
| Nearest City | Antwerp, Oh |
| River/Stream | Unnamed Tributary Hamm Interceptor Ditch |
| Coordinates | 41.25993, -84.86569 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 245 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 155 acre-ft |
| Max Storage | 155 acre-ft |
| Normal Storage | 66 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 117 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Keith Hall |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 01/21/2021 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IN00781 |
| Federal ID | IN00781 |
| More Info | State Dam Safety Program |