Jonbar Ranch Dam
Jonbar Ranch Dam is an earth dam located in Dallas County, Iowa, built in 1957. It carries a Low hazard potential classification.
Low HazardNot Rated ConditionEmergency Action Plan: Not Required
Location
| State | Iowa |
| County | Dallas |
| Nearest City | Raccoon River |
| River/Stream | Tr-johnson Creek |
| Coordinates | 41.53830, -93.88750 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 500 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 104 acre-ft |
| Max Storage | 104 acre-ft |
| Normal Storage | 64 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Ruan Inc / Jonbar Ranch |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |