Little Cache Structure 5 Dam
Little Cache Structure 5 Dam is an earth dam located in Johnson County, Illinois, built in 1973. It carries a Low hazard potential classification.
About Little Cache Structure 5 Dam
The primary purpose of Little Cache Structure 5 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 Richard Dysart (private). It impounds the Trib Little Cache Creek near Bloomfield.
The dam stands 31 feet tall and stretches 400 feet across, and has a maximum storage capacity of 578 acre-feet. Completed in 1973, the structure is well into its service life at over 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 07/26/2024.
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Location
| State | Illinois |
| County | Johnson |
| Nearest City | Bloomfield |
| River/Stream | Trib Little Cache Creek |
| Coordinates | 37.48831, -88.87039 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 400 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 578 acre-ft |
| Max Storage | 578 acre-ft |
| Normal Storage | 182 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | RICHARD DYSART |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 07/26/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00041 |
| Federal ID | IL00041 |
| More Info | State Dam Safety Program |