Dane Ridge Watershed Site D-1-5 is an earth dam located in Crawford County, Iowa, built in 1978. It carries a Low hazard potential classification.
Dam profile
NID height · 39 ft39 ft tall and 500 ft long, taller than 85% 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-1-5
The primary purpose of Dane Ridge Watershed Site D-1-5 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 Gully D-1 near Dunlap.
The dam stands 39 feet tall and stretches 500 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 300 acre-feet, and collects water from a drainage area of 3 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 39 feet, this dam is taller than 85% of dams nationwide.
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Location
| State | Iowa |
| County | Crawford |
| Nearest City | Dunlap |
| River/Stream | Tr-welsh Creek Gully D-1 |
| Coordinates | 41.94260, -95.54750 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 39 ft |
| Dam Height | 39 ft |
| Dam Length | 500 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 300 acre-ft |
| Max Storage | 300 acre-ft |
| Normal Storage | 127 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 3 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 | IA01911 |
| Federal ID | IA01911 |
| More Info | State Dam Safety Program |