Rankins Brothers Dam is an earth dam located in Jasper County, Iowa, built in 1976. It carries a Significant hazard potential classification.
Dam profile
NID height · 29 ft29 ft tall and 508 ft long, taller than 65% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Rankins Brothers Dam
The primary purpose of Rankins Brothers Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Rankin Brothers (private). It impounds the Tr-drainage Ditch 8 near Reasnor.
The dam stands 29 feet tall and stretches 508 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 127 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1976, the structure is 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life.
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Location
| State | Iowa |
| County | Jasper |
| Nearest City | Reasnor |
| River/Stream | Tr-drainage Ditch 8 |
| Coordinates | 41.59630, -92.99570 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 508 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 127 acre-ft |
| Max Storage | 127 acre-ft |
| Normal Storage | 84 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Rankin Brothers |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01586 |
| Federal ID | IA01586 |
| More Info | State Dam Safety Program |