Trudi Lake Dam is an earth dam located in Henderson County, Illinois, built in 1954. It carries a Low hazard potential classification.
Dam profile
NID height · 23 ft23 ft tall and 294 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Trudi Lake Dam
The primary purpose of Trudi Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is private-owned. It impounds the Trib Wolf Creek near Hopper.
The dam stands 23 feet tall and stretches 294 feet across, and has a maximum storage capacity of 75 acre-feet. Completed in 1954, 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 05/25/2024.
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Location
| State | Illinois |
| County | Henderson |
| Nearest City | Hopper |
| River/Stream | Trib Wolf Creek |
| Coordinates | 40.79564, -90.91593 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 294 ft |
| Year Completed | 1954 (72 years old) |
Storage & Hydraulics
| NID Storage | 75 acre-ft |
| Max Storage | 75 acre-ft |
| Normal Storage | 43 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/25/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00409 |
| Federal ID | IL00409 |
| More Info | State Dam Safety Program |