Mt. Olive City Lake Dam
Mt. Olive City Lake Dam is an earth dam located in Macoupin County, Illinois, built in 1938. It carries a Low hazard potential classification.
About Mt. Olive City Lake Dam
The primary purpose of Mt. Olive City Lake Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Mount Olive (local government). It impounds the Panther Creek near Eagerville-offstream.
The dam stands 31 feet tall and stretches 470 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 657 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1938, the structure is well-established, with more than 75 years of service.
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 05/23/2024.
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Location
| State | Illinois |
| County | Macoupin |
| Nearest City | Eagerville-offstream |
| River/Stream | Panther Creek |
| Coordinates | 39.10444, -89.76188 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 470 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 657 acre-ft |
| Max Storage | 657 acre-ft |
| Normal Storage | 457 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 159 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | CITY OF MOUNT OLIVE |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 05/23/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL01047 |
| Federal ID | IL01047 |
| More Info | State Dam Safety Program |