Union Grove Lake Dam
Significant HazardFair ConditionEmergency Action Plan: Not Required
Location
| State | Iowa |
| County | Tama |
| Nearest City | GARWIN |
| River/Stream | DEER CREEK |
| Coordinates | 42.12430, -92.71950 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 1,205 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 2,120 acre-ft |
| Max Storage | 2,120 acre-ft |
| Normal Storage | 770 acre-ft |
| Surface Area | 117 acres |
| Drainage Area | 11 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Iowa Department of Natural Resources |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 10/03/2023 |
| Emergency Action Plan | Not Required |