Twin Ponies Watershed Site 17a
Low HazardSatisfactory ConditionEmergency Action Plan: Not Required
Location
| State | Iowa |
| County | Pottawattamie |
| Nearest City | COUNCIL BLUFFS |
| River/Stream | TR- PONY CREEK |
| Coordinates | 41.22870, -95.75550 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 54 ft |
| Dam Height | 54 ft |
| Dam Length | 1,030 ft |
| Year Completed | 1998 (28 years old) |
Storage & Hydraulics
| NID Storage | 476 acre-ft |
| Max Storage | 476 acre-ft |
| Normal Storage | 171 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 2 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | West Pottawattamie County SWCD |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/01/2009 |
| Emergency Action Plan | Not Required |