Lake Delhi Dam
Iowa — Delaware County — MAQUOKETA RIVER
Location
| State | Iowa |
| County | Delaware |
| River | MAQUOKETA RIVER |
| Coordinates | 42.40810, -91.34540 |
Physical Characteristics
| NID Height | 55 ft |
| Dam Height | 55 ft |
| Dam Length | 750 ft |
| NID Storage | 9,920 acre-ft |
| Max Storage | 9,920 acre-ft |
| Surface Area | 440 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Satisfactory |
| EAP Status | Not Required |
| Last Inspection | July 9, 2020 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1922 |
| Primary Purpose | Recreation |
| Dam Type | Gravity |
| Owner Type | Private |
| Owner | Lake Delhi Recreation Association |
| Other Name | Hatwick Lake Dam |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.