Big Creek Barrier Dam
High HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | Iowa |
| County | Polk |
| Nearest City | POLK CITY |
| River/Stream | BIG CREEK; SAYLORVILLE LAKE |
| Coordinates | 41.75544, -93.69893 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 84 ft |
| Dam Height | 84 ft |
| Dam Length | 4,550 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 4,200 acre-ft |
| Max Storage | 4,200 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 85 acres |
| Drainage Area | 16 sq mi |
| Max Discharge | 125 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | USACE - Rock Island District |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 12/06/2022 |
| Emergency Action Plan | Yes |