Cottonwood-green Valley Subws 50+40 #2
Low HazardNot Rated ConditionEmergency Action Plan: Not Required
Location
| State | Iowa |
| County | Monona |
| Nearest City | CASTANA |
| River/Stream | TR-COTTONWOOD CREEK |
| Coordinates | 42.06370, -95.87190 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 928 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 92 acre-ft |
| Max Storage | 92 acre-ft |
| Normal Storage | 45 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Monona County SWCD |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |