Steel
Steel is a gravity dam located in Rock Island County, Illinois, built in 1912. It carries a Low hazard potential classification.
About Steel
The primary purpose of Steel is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by City Of Rock Island (state). It impounds the Rock Creek near Milan, Il.
The dam stands 11 feet tall and stretches 775 feet across, creates a reservoir covering 570 acres, has a maximum storage capacity of 670 acre-feet, and collects water from a drainage area of 11,000 square miles. Completed in 1912, the structure is over a century old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 06/06/2017.
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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 |
Identifiers
| NID ID | IL50001 |
| Federal ID | IL50471S001 |
| More Info | State Dam Safety Program |