Lower Beaver Subwtrshd Sta 21+00 #2 is an earth dam located in Monona County, Iowa, built in 1965. It carries a Low hazard potential classification.
Dam profile
NID height · 43 ft43 ft tall and 506 ft long, taller than 89% 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 21+00 #2
The primary purpose of Lower Beaver Subwtrshd Sta 21+00 #2 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-little Sioux River near Little Sioux.
The dam stands 43 feet tall and stretches 506 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 53 acre-feet, and collects water from a drainage area of 0 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.
At 43 feet, this dam is taller than 89% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Iowa |
| County | Monona |
| Nearest City | Little Sioux |
| River/Stream | Tr-little Sioux River |
| Coordinates | 41.99510, -95.92870 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 43 ft |
| Dam Height | 43 ft |
| Dam Length | 506 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 53 acre-ft |
| Max Storage | 53 acre-ft |
| Normal Storage | 32 acre-ft |
| Surface Area | 3 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 assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00757 |
| Federal ID | IA00757 |
| More Info | State Dam Safety Program |