Tall Timbers Lake West Dam is an earth dam located in Macoupin County, Illinois, built in 1975. It carries a Low hazard potential classification.
Dam profile
NID height · 24 ft24 ft tall and 380 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 Tall Timbers Lake West Dam
The primary purpose of Tall Timbers Lake West Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lakes of the Tall Timbers Inc (private). It impounds the Trib East Creek near Staunton.
The dam stands 24 feet tall and stretches 380 feet across, and has a maximum storage capacity of 96 acre-feet. Completed in 1975, 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 08/02/2024.
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Location
| State | Illinois |
| County | Macoupin |
| Nearest City | Staunton |
| River/Stream | Trib East Creek |
| Coordinates | 39.04914, -89.76641 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 380 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 96 acre-ft |
| Max Storage | 96 acre-ft |
| Normal Storage | 87 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Lakes of the Tall Timbers Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/02/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00978 |
| Federal ID | IL00978 |
| More Info | State Dam Safety Program |