Eagle Ridge West Pond Dam is an earth dam located in Jo Daviess County, Illinois, built in 1997. It carries a Low hazard potential classification.
Dam profile
NID height · 66 ft66 ft tall and 450 ft long, taller than 96% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Eagle Ridge West Pond Dam
The primary purpose of Eagle Ridge West Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Eagle Ridge Inn & Resort (private). It impounds the Longhollow Creek.
The dam stands 66 feet tall and stretches 450 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 26 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1997, the structure is 29 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 07/11/2025.
At 66 feet, this dam is taller than 96% of all dams in the United States.
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Location
| State | Illinois |
| County | Jo Daviess |
| Nearest City | None |
| River/Stream | Longhollow Creek |
| Coordinates | 42.37581, -90.32957 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 66 ft |
| Dam Height | 66 ft |
| Dam Length | 450 ft |
| Year Completed | 1997 (29 years old) |
Storage & Hydraulics
| NID Storage | 26 acre-ft |
| Max Storage | 26 acre-ft |
| Normal Storage | 16 acre-ft |
| Surface Area | 1 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 300 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Eagle Ridge Inn & Resort |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/11/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL50377 |
| Federal ID | IL50377 |
| More Info | State Dam Safety Program |