Lake Taylorville Locust Creek Detention Basin Dam is an other dam located in Christian County, Illinois, built in 2001. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 700 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 Lake Taylorville Locust Creek Detention Basin Dam
The primary purpose of Lake Taylorville Locust Creek Detention Basin Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by City of Taylorville (private). It impounds the Locust Creek near Taylorville.
The dam stands 15 feet tall and stretches 700 feet across, has a maximum storage capacity of 2,000 acre-feet, and collects water from a drainage area of 32 square miles. Completed in 2001, the structure is relatively new.
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 06/19/2025.
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Location
| State | Illinois |
| County | Christian |
| Nearest City | Taylorville |
| River/Stream | Locust Creek |
| Coordinates | 39.48333, -89.25285 |
Physical Characteristics
| Dam Type | Other |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 700 ft |
| Year Completed | 2001 (25 years old) |
Storage & Hydraulics
| NID Storage | 2,000 acre-ft |
| Max Storage | 2,000 acre-ft |
| Drainage Area | 32 sq mi |
| Max Discharge | 15,000 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | City of Taylorville |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/19/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL50426 |
| Federal ID | IL50426 |
| More Info | State Dam Safety Program |