Colwil Lake Dam
Low HazardSatisfactory ConditionEmergency Action Plan: No
Location
| State | Missouri |
| County | Shannon |
| Nearest City | VAN BUREN |
| River/Stream | MATTHEWS BRANCH |
| Coordinates | 37.19068, -91.26130 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 47 ft |
| Dam Height | 47 ft |
| Dam Length | 180 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 360 acre-ft |
| Max Storage | 360 acre-ft |
| Normal Storage | 299 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 3,200 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | RON DASSOW |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/23/2019 |
| Emergency Action Plan | No |