Allen Pond Dam is an earth dam located in Wayne County, Illinois, built in 1965. It carries a Low hazard potential classification.
Dam profile
NID height · 23 ft23 ft tall and 500 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 Allen Pond Dam
The primary purpose of Allen Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Fred Allen (private). It impounds the Brush Creek near Wayne City.
The dam stands 23 feet tall and stretches 500 feet across, and has a maximum storage capacity of 90 acre-feet. Completed in 1965, 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 06/02/2025.
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Location
| State | Illinois |
| County | Wayne |
| Nearest City | Wayne City |
| River/Stream | Brush Creek |
| Coordinates | 38.50591, -88.61055 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 500 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 90 acre-ft |
| Max Storage | 90 acre-ft |
| Normal Storage | 81 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Fred Allen |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/02/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00407 |
| Federal ID | IL00407 |
| More Info | State Dam Safety Program |