Melvin Price Locks And Dam
Significant HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | Illinois |
| County | St. Charles |
| Nearest City | ALTON |
| River/Stream | MISSISSIPPI RIVER |
| Coordinates | 38.86691, -90.15488 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 77 ft |
| Dam Height | 72 ft |
| Dam Length | 1,700 ft |
| Year Completed | 1990 (36 years old) |
Storage & Hydraulics
| NID Storage | 238,000 acre-ft |
| Max Storage | 238,000 acre-ft |
| Normal Storage | 238,000 acre-ft |
| Surface Area | 30,000 acres |
| Drainage Area | 171,470 sq mi |
| Max Discharge | 650,000 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Navigation |
| Owner | USACE - St. Louis District |
| Owner Type | Federal |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 04/02/2024 |
| Emergency Action Plan | Yes |