De Wees Lake Dam
De Wees Lake Dam is an earth dam located in Adams County, Illinois, built in 1965. It carries a Low hazard potential classification.
About De Wees Lake Dam
The primary purpose of De Wees Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mark Morrison (private). It impounds the Trib Beebe Creek near Kinderhook-offstream.
The dam stands 31 feet tall and stretches 285 feet across, and has a maximum storage capacity of 98 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 05/05/2023.
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Location
| State | Illinois |
| County | Adams |
| Nearest City | Kinderhook-offstream |
| River/Stream | Trib Beebe Creek |
| Coordinates | 39.76344, -91.07179 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 285 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 98 acre-ft |
| Max Storage | 98 acre-ft |
| Normal Storage | 53 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | MARK MORRISON |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 05/05/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL01204 |
| Federal ID | IL01204 |
| More Info | State Dam Safety Program |