Dane Ridge Watershed Site D-1-7 is an earth dam located in Crawford County, Iowa, built in 1978. It carries a Low hazard potential classification.
Dam profile
NID height · 41 ft41 ft tall and 480 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 Dane Ridge Watershed Site D-1-7
The primary purpose of Dane Ridge Watershed Site D-1-7 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 Crawford County Swcd (local government). It impounds the Tr-welsh Creek near Dunlap.
The dam stands 41 feet tall and stretches 480 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 315 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1978, the structure is 48 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 | Crawford |
| Nearest City | Dunlap |
| River/Stream | Tr-welsh Creek |
| Coordinates | 41.96870, -95.55730 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 41 ft |
| Dam Height | 41 ft |
| Dam Length | 480 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 315 acre-ft |
| Max Storage | 315 acre-ft |
| Normal Storage | 174 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Crawford County Swcd |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01909 |
| Federal ID | IA01909 |
| More Info | State Dam Safety Program |