Altamont Reservoir Dam
Significant HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | Illinois |
| County | Effingham |
| Nearest City | WATSON |
| River/Stream | TRIB BIG CREEK |
| Coordinates | 39.03219, -88.71443 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 506 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 1,255 acre-ft |
| Max Storage | 1,255 acre-ft |
| Normal Storage | 950 acre-ft |
| Surface Area | 62 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 563 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | CITY OF ALTAMONT |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 05/25/2023 |
| Emergency Action Plan | Yes |