Hickory Lake Dam is an earth dam located in Washington County, Illinois, built in 1971. It carries a Low hazard potential classification.
Dam profile
NID height · 24 ft24 ft tall and 410 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 Hickory Lake Dam
The primary purpose of Hickory Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Hickory Lake Association (private). It impounds the Trib Locust Creek near Pinkneyville.
The dam stands 24 feet tall and stretches 410 feet across, and has a maximum storage capacity of 127 acre-feet. Completed in 1971, 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 09/21/2023.
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Location
| State | Illinois |
| County | Washington |
| Nearest City | Pinkneyville |
| River/Stream | Trib Locust Creek |
| Coordinates | 38.27274, -89.40434 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 410 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 127 acre-ft |
| Max Storage | 127 acre-ft |
| Normal Storage | 75 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Hickory Lake Association |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/21/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00941 |
| Federal ID | IL00941 |
| More Info | State Dam Safety Program |