Mill Creek Structure 6 Dam
Mill Creek Structure 6 Dam is an earth dam located in Clark County, Illinois, built in 1976. It carries a Low hazard potential classification.
About Mill Creek Structure 6 Dam
The primary purpose of Mill Creek Structure 6 Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Mill Creek Conservancy District (private). It impounds the Trib Auburn Branch near Hutsonville.
The dam stands 34 feet tall and stretches 725 feet across, and has a maximum storage capacity of 332 acre-feet. Completed in 1976, the structure is 50 years 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 06/15/2022.
At 34 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Illinois |
| County | Clark |
| Nearest City | Hutsonville |
| River/Stream | Trib Auburn Branch |
| Coordinates | 39.33871, -87.75355 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 725 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 332 acre-ft |
| Max Storage | 332 acre-ft |
| Normal Storage | 26 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | MILL CREEK CONSERVANCY DISTRICT |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 06/15/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00967 |
| Federal ID | IL00967 |
| More Info | State Dam Safety Program |