Steel
Low HazardNot Available ConditionEmergency Action Plan: Not Required
Location
| State | Illinois |
| County | Rock Island |
| Nearest City | Milan, IL |
| River/Stream | Rock Creek |
| Coordinates | 41.46109, -90.54841 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 11 ft |
| Dam Height | 6 ft |
| Dam Length | 775 ft |
| Year Completed | 1912 (114 years old) |
Storage & Hydraulics
| NID Storage | 670 acre-ft |
| Max Storage | 670 acre-ft |
| Normal Storage | 410 acre-ft |
| Surface Area | 570 acres |
| Drainage Area | 11,000 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | City of Rock Island |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 06/06/2017 |
| Emergency Action Plan | Not Required |