Willaredt Lake Dam 1
Willaredt Lake Dam 1 is an earth dam located in Madison County, Illinois, built in 1968. It carries a Low hazard potential classification.
About Willaredt Lake Dam 1
The primary purpose of Willaredt Lake Dam 1 is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by George Willaredt;george Willaredt (private). It impounds the Tr- Silver Creek near New Athens.
The dam stands 26 feet tall and stretches 500 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 130 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1968, 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 08/20/2025.
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Location
| State | Illinois |
| County | Madison |
| Nearest City | New Athens |
| River/Stream | Tr- Silver Creek |
| Coordinates | 38.80546, -89.86502 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 500 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 130 acre-ft |
| Max Storage | 130 acre-ft |
| Normal Storage | 88 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 231 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | GEORGE WILLAREDT;GEORGE WILLAREDT |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 08/20/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00197 |
| Federal ID | IL00197 |
| More Info | State Dam Safety Program |