Sparta Old City Reservoir Dam
Sparta Old City Reservoir Dam is an earth dam located in Randolph County, Illinois, built in 1917. It carries a Significant hazard potential classification.
About Sparta Old City Reservoir Dam
The primary purpose of Sparta Old City Reservoir 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 Sparta (local government). It impounds the Trib Maxwell Creek near Steelville.
The dam stands 21 feet tall and stretches 650 feet across, and has a maximum storage capacity of 289 acre-feet. Completed in 1917, the structure is over a century old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 06/29/2023.
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Location
| State | Illinois |
| County | Randolph |
| Nearest City | Steelville |
| River/Stream | Trib Maxwell Creek |
| Coordinates | 38.10577, -89.69541 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 650 ft |
| Year Completed | 1917 (109 years old) |
Storage & Hydraulics
| NID Storage | 289 acre-ft |
| Max Storage | 289 acre-ft |
| Normal Storage | 198 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | CITY OF SPARTA |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 06/29/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00552 |
| Federal ID | IL00552 |
| More Info | State Dam Safety Program |