Diamond Lake Dam (poweshiek Co)
Significant HazardSatisfactory ConditionEmergency Action Plan: Not Required
Location
| State | Iowa |
| County | Poweshiek |
| Nearest City | SPRING VALLEY |
| River/Stream | TR-MOON CREEK |
| Coordinates | 41.58340, -92.55780 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 900 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 1,100 acre-ft |
| Max Storage | 1,100 acre-ft |
| Normal Storage | 780 acre-ft |
| Surface Area | 93 acres |
| Drainage Area | 4 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Montezuma Water Works |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/23/2022 |
| Emergency Action Plan | Not Required |