Allendale Conservation Club Lake Dam is an earth dam located in Stark County, Illinois, built in 1965. It carries a Low hazard potential classification.
Dam profile
NID height · 13 ft13 ft tall and 1,400 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 Allendale Conservation Club Lake Dam
The primary purpose of Allendale Conservation Club Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Allendale Conservation Club (private). It impounds the Trib Spoon River near Wyoming-offstream.
The dam stands 13 feet tall and stretches 1,400 feet across, and has a maximum storage capacity of 127 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 06/14/2023.
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Location
| State | Illinois |
| County | Stark |
| Nearest City | Wyoming-offstream |
| River/Stream | Trib Spoon River |
| Coordinates | 41.13215, -89.75701 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 1,400 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 127 acre-ft |
| Max Storage | 127 acre-ft |
| Normal Storage | 114 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Allendale Conservation Club |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/14/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL01139 |
| Federal ID | IL01139 |
| More Info | State Dam Safety Program |