Big Creek Terminal Dam
Low HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | Iowa |
| County | Polk |
| Nearest City | NONE |
| River/Stream | BIG CREEK DIVERSION CHANNEL |
| Coordinates | 41.78179, -93.74118 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 95 ft |
| Dam Height | 70 ft |
| Dam Length | 480 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 27,500 acre-ft |
| Max Storage | 27,500 acre-ft |
| Normal Storage | 15,600 acre-ft |
| Surface Area | 885 acres |
| Drainage Area | 76 sq mi |
| Max Discharge | 33,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | USACE - Rock Island District |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 12/06/2022 |
| Emergency Action Plan | Yes |