Nepper Subwatershed Site 3348
Nepper Subwatershed Site 3348 is an earth dam located in Monona County, Iowa, built in 1948. It carries a Low hazard potential classification.
About Nepper Subwatershed Site 3348
The primary purpose of Nepper Subwatershed Site 3348 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- Mc Clarey Creek near Castana.
The dam stands 32 feet tall, creates a reservoir covering 1 acres, has a maximum storage capacity of 18 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1948, the structure is well-established, with more than 75 years of service.
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.
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 | Castana |
| River/Stream | Tr- Mc Clarey Creek |
| Coordinates | 42.13890, -95.81520 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Year Completed | 1948 (78 years old) |
Storage & Hydraulics
| NID Storage | 18 acre-ft |
| Max Storage | 18 acre-ft |
| Normal Storage | 5 acre-ft |
| Surface Area | 1 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 | IA02791 |
| Federal ID | IA02791 |
| More Info | State Dam Safety Program |