Nutt Hollow Subwatershed Site 3-3075
Nutt Hollow Subwatershed Site 3-3075 is an earth dam located in Monona County, Iowa, built in 1958. It carries a Low hazard potential classification.
About Nutt Hollow Subwatershed Site 3-3075
The primary purpose of Nutt Hollow Subwatershed Site 3-3075 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-maple River near Castana.
The dam stands 32 feet tall and stretches 510 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 63 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1958, 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 32 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Iowa |
| County | Monona |
| Nearest City | Castana |
| River/Stream | Tr-maple River |
| Coordinates | 42.11560, -95.90720 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 510 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 63 acre-ft |
| Max Storage | 63 acre-ft |
| Normal Storage | 19 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 Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01414 |
| Federal ID | IA01414 |
| More Info | State Dam Safety Program |