Elliot Golf Course Dam is an earth dam located in Winnebago County, Illinois, built in 1970. It carries a Significant hazard potential classification.
Dam profile
NID height · 11 ft11 ft tall and 250 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 Elliot Golf Course Dam
The primary purpose of Elliot Golf Course Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Rockford Park District (local government). It impounds the Trib Kishwaukee River near Rockford.
The dam stands 11 feet tall and stretches 250 feet across, and has a maximum storage capacity of 45 acre-feet. Completed in 1970, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. An emergency action plan is in place for this dam. The most recent inspection on record was 10/16/2025.
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Location
| State | Illinois |
| County | Winnebago |
| Nearest City | Rockford |
| River/Stream | Trib Kishwaukee River |
| Coordinates | 42.26595, -88.95579 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 250 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 45 acre-ft |
| Max Storage | 45 acre-ft |
| Normal Storage | 10 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Rockford Park District |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 10/16/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | IL50383 |
| Federal ID | IL50383 |
| More Info | State Dam Safety Program |