Rockton
Rockton is a rockfill dam located in Winnebago County, Illinois, built in 1929. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Rockton
The primary purpose of Rockton 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 South Beliot W G & E Co (public utility). It impounds the Rock River near Rockton.
The dam stands 7 feet tall and stretches 2,365 feet across, creates a reservoir covering 155 acres, has a storage capacity of 1,031 acre-feet, and collects water from a drainage area of 3,700 square miles. Completed in 1929, the structure is well-established, with more than 75 years of service.
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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 09/05/2019.
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Location
| State | Illinois |
| County | Winnebago |
| Nearest City | Rockton |
| River/Stream | Rock River |
| Coordinates | 42.46000, -89.08030 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 2,365 ft |
| Year Completed | 1929 (97 years old) |
Storage & Hydraulics
| NID Storage | 1,031 acre-ft |
| Normal Storage | 1,031 acre-ft |
| Surface Area | 155 acres |
| Drainage Area | 3,700 sq mi |
| Max Discharge | 32,500 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | South Beliot W G & E Co |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/05/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IL00106 |
| Federal ID | IL00106 |
| More Info | State Dam Safety Program |