Leisure Oak Lake 1 Dam is an earth dam located in Peoria County, Illinois, built in 1966. It carries a Low hazard potential classification.
Dam profile
NID height · 31 ft31 ft tall and 348 ft long, taller than 72% 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 Leisure Oak Lake 1 Dam
The primary purpose of Leisure Oak Lake 1 Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Metro Airport Authority of Peoria (private). It impounds the Trib East Branch Lamarsh Creek near Peoria-offstream.
The dam stands 31 feet tall and stretches 348 feet across, and has a maximum storage capacity of 73 acre-feet. Completed in 1966, 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 08/12/2022.
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Location
| State | Illinois |
| County | Peoria |
| Nearest City | Peoria-offstream |
| River/Stream | Trib East Branch Lamarsh Creek |
| Coordinates | 40.68011, -89.71624 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 348 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 73 acre-ft |
| Max Storage | 73 acre-ft |
| Normal Storage | 48 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Metro Airport Authority of Peoria |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/12/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00298 |
| Federal ID | IL00298 |
| More Info | State Dam Safety Program |