Mc Call Subwatershed Site 30-1 is an earth dam located in Monona County, Iowa, built in 1963. It carries a Low hazard potential classification.
Dam profile
NID height · 41 ft41 ft tall and 748 ft long, taller than 87% 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 Mc Call Subwatershed Site 30-1
The primary purpose of Mc Call Subwatershed Site 30-1 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 County Ditch near Turin.
The dam stands 41 feet tall and stretches 748 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 80 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1963, 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 41 feet, this dam is taller than 87% of dams nationwide.
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Location
| State | Iowa |
| County | Monona |
| Nearest City | Turin |
| River/Stream | Tr-little Sioux County Ditch |
| Coordinates | 42.12710, -95.96570 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 41 ft |
| Dam Height | 41 ft |
| Dam Length | 748 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 80 acre-ft |
| Max Storage | 80 acre-ft |
| Normal Storage | 28 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 | Monona County Swcd |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00773 |
| Federal ID | IA00773 |
| More Info | State Dam Safety Program |