Lake Wildwood Haven Dam
Lake Wildwood Haven Dam is an earth dam located in Fulton County, Illinois, built in 1971. It carries a Low hazard potential classification.
About Lake Wildwood Haven Dam
The primary purpose of Lake Wildwood Haven Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lake Wildwood (private). It impounds the South Fork Shaw Creek near Marietta-offstream.
The dam stands 44 feet tall and stretches 662 feet across, and has a maximum storage capacity of 3,047 acre-feet. Completed in 1971, 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 04/27/2021.
At 44 feet, this dam is taller than 90% of dams nationwide.
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Location
| State | Illinois |
| County | Fulton |
| Nearest City | Marietta-offstream |
| River/Stream | South Fork Shaw Creek |
| Coordinates | 40.52262, -90.42831 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 44 ft |
| Dam Height | 44 ft |
| Dam Length | 662 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 3,047 acre-ft |
| Max Storage | 3,047 acre-ft |
| Normal Storage | 899 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | LAKE WILDWOOD |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 04/27/2021 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00233 |
| Federal ID | IL00233 |
| More Info | State Dam Safety Program |