Crawford Creek Subwatershed Site M-3 is an earth dam located in Ida County, Iowa, built in 1976. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 49 ft49 ft tall and 980 ft long, taller than 92% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Crawford Creek Subwatershed Site M-3
The primary purpose of Crawford Creek Subwatershed Site M-3 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Ida County Swcd (local government). It impounds the Crawford near Danbury.
The dam stands 49 feet tall and stretches 980 feet across, creates a reservoir covering 63 acres, has a maximum storage capacity of 1,349 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1976, the structure is 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 06/20/2023.
At 49 feet, this dam is taller than 92% of dams nationwide.
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Location
| State | Iowa |
| County | Ida |
| Nearest City | Danbury |
| River/Stream | Crawford |
| Coordinates | 42.27640, -95.60690 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 49 ft |
| Dam Height | 49 ft |
| Dam Length | 980 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 1,349 acre-ft |
| Max Storage | 1,349 acre-ft |
| Normal Storage | 654 acre-ft |
| Surface Area | 63 acres |
| Drainage Area | 4 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Ida County Swcd |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/20/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01851 |
| Federal ID | IA01851 |
| More Info | State Dam Safety Program |