Lower Beaver Subwtrshd Sta 80+04 #7a is an earth dam located in Monona County, Iowa, built in 1965. It carries a Low hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 679 ft long, taller than 55% 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 Lower Beaver Subwtrshd Sta 80+04 #7a
The primary purpose of Lower Beaver Subwtrshd Sta 80+04 #7a 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 Monona County Swcd (local government). It impounds the Tr-beaver Creek near Little Sioux.
The dam stands 26 feet tall and stretches 679 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 99 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1965, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
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Location
| State | Iowa |
| County | Monona |
| Nearest City | Little Sioux |
| River/Stream | Tr-beaver Creek |
| Coordinates | 41.99520, -95.89210 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 679 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 99 acre-ft |
| Max Storage | 99 acre-ft |
| Normal Storage | 37 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 1 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 assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00756 |
| Federal ID | IA00756 |
| More Info | State Dam Safety Program |