Willow Lake Estates Dam is an earth dam located in Monroe County, Illinois, built in 1996. It carries a Low hazard potential classification.
Dam profile
NID height · 17 ft17 ft tall and 550 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 Willow Lake Estates Dam
The primary purpose of Willow Lake Estates Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Oscar Caraway (private). It impounds the Trib Parairie Dulong Cr.
The dam stands 17 feet tall and stretches 550 feet across, creates a reservoir covering 8 acres, and has a maximum storage capacity of 55 acre-feet. Completed in 1996, the structure is 30 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 07/03/2015. That was over 11 years ago.
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Location
| State | Illinois |
| County | Monroe |
| River/Stream | Trib Parairie Dulong Cr |
| Coordinates | 38.31571, -90.08691 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 550 ft |
| Year Completed | 1996 (30 years old) |
Storage & Hydraulics
| NID Storage | 55 acre-ft |
| Max Storage | 55 acre-ft |
| Normal Storage | 32 acre-ft |
| Surface Area | 8 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Oscar Caraway |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/03/2015 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL50664 |
| Federal ID | IL50664 |
| More Info | State Dam Safety Program |