Upper Beaver Subwatershed Site M-2
Upper Beaver Subwatershed Site M-2 is an earth dam located in Monona County, Iowa, built in 1967. It carries a Low hazard potential classification.
About Upper Beaver Subwatershed Site M-2
The primary purpose of Upper Beaver Subwatershed Site M-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-beaver Creek near Little Sioux.
The dam stands 43 feet tall and stretches 305 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 128 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1967, 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-beaver Creek |
| Coordinates | 42.04560, -95.86080 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 43 ft |
| Dam Height | 43 ft |
| Dam Length | 305 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 128 acre-ft |
| Max Storage | 128 acre-ft |
| Normal Storage | 64 acre-ft |
| Surface Area | 5 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 Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00719 |
| Federal ID | IA00719 |
| More Info | State Dam Safety Program |