Justamir Association Lake Dam
Justamir Association Lake Dam is an earth dam located in St. Clair County, Illinois, built in 1931. It carries a Low hazard potential classification.
About Justamir Association Lake Dam
The primary purpose of Justamir Association Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Union Planter Land Trust (private). It impounds the Trib Prairie Du Long Creek near Evansville.
The dam stands 11 feet tall and stretches 330 feet across, and has a maximum storage capacity of 51 acre-feet. Completed in 1931, 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. The most recent inspection on record was 04/26/2019.
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Location
| State | Illinois |
| County | St. Clair |
| Nearest City | Evansville |
| River/Stream | Trib Prairie Du Long Creek |
| Coordinates | 38.32373, -90.03066 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 330 ft |
| Year Completed | 1931 (95 years old) |
Storage & Hydraulics
| NID Storage | 51 acre-ft |
| Max Storage | 51 acre-ft |
| Normal Storage | 26 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | UNION PLANTER LAND TRUST |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 04/26/2019 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00383 |
| Federal ID | IL00383 |
| More Info | State Dam Safety Program |