Moorman Park Dam is an earth dam located in Adams County, Illinois, built in 1987. It carries a Low hazard potential classification.
Dam profile
NID height · 27 ft27 ft tall and 610 ft long, taller than 59% of U.S. dams with a recorded height. 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 Moorman Park Dam
The primary purpose of Moorman Park Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Quincy Park District (local government). It impounds the Trib Cedar Creek near Quincy.
The dam stands 27 feet tall and stretches 610 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 66 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1987, the structure is 39 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. An emergency action plan is in place for this dam. The most recent inspection on record was 07/31/2025.
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Location
| State | Illinois |
| County | Adams |
| Nearest City | Quincy |
| River/Stream | Trib Cedar Creek |
| Coordinates | 39.95048, -91.35131 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 610 ft |
| Year Completed | 1987 (39 years old) |
Storage & Hydraulics
| NID Storage | 66 acre-ft |
| Max Storage | 66 acre-ft |
| Normal Storage | 37 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 117 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Quincy Park District |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/31/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | IL50168 |
| Federal ID | IL50168 |
| More Info | State Dam Safety Program |