Black Dam is an earth dam located in Story County, Iowa, built in 1980. It carries a Low hazard potential classification.
Dam profile
NID height · 42 ft42 ft tall and 350 ft long, taller than 88% 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 Black Dam
The primary purpose of Black Dam 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 Clyde Black & Son Inc (private). It impounds the Tr-south Skunk River near South Skunk River.
The dam stands 42 feet tall and stretches 350 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 88 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1980, the structure is 46 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 42 feet, this dam is taller than 88% 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 | Story |
| Nearest City | South Skunk River |
| River/Stream | Tr-south Skunk River |
| Coordinates | 41.88180, -93.48640 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 350 ft |
| Year Completed | 1980 (46 years old) |
Storage & Hydraulics
| NID Storage | 88 acre-ft |
| Max Storage | 88 acre-ft |
| Normal Storage | 43 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Clyde Black & Son Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA02102 |
| Federal ID | IA02102 |
| More Info | State Dam Safety Program |