Lake Lancelot Dam
High HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | Illinois |
| County | Peoria |
| Nearest City | MAPLETON-OFFSTREAM |
| River/Stream | TRIB WEST BRANCH LAMARSH CREEK |
| Coordinates | 40.62858, -89.74175 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 54 ft |
| Dam Height | 54 ft |
| Dam Length | 750 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 1,271 acre-ft |
| Max Storage | 1,271 acre-ft |
| Normal Storage | 654 acre-ft |
| Surface Area | 48 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 2,315 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | CAMELOT ROUND TABLE ASSOCIATION |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 02/27/2026 |
| Emergency Action Plan | Yes |