Crawford Co Roadgrade Dam 34-84-39
Crawford Co Roadgrade Dam 34-84-39 is an earth dam located in Crawford County, Iowa, built in 2002. It carries a Low hazard potential classification.
About Crawford Co Roadgrade Dam 34-84-39
The primary purpose of Crawford Co Roadgrade Dam 34-84-39 is grade stabilization. Grade stabilization dams prevent erosion by reducing the slope and velocity of water flowing through a channel. They're commonly used to stop gullies from deepening and to protect downstream land and infrastructure. The dam is owned by Crawford County (local government). It impounds the Tr- Buffalo Creek near Denison.
The dam stands 41 feet tall and stretches 415 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 44 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2002, the structure is relatively new.
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 88% of dams nationwide.
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Location
| State | Iowa |
| County | Crawford |
| Nearest City | Denison |
| River/Stream | Tr- Buffalo Creek |
| Coordinates | 42.04670, -95.38330 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 41 ft |
| Dam Height | 41 ft |
| Dam Length | 415 ft |
| Year Completed | 2002 (24 years old) |
Storage & Hydraulics
| NID Storage | 44 acre-ft |
| Max Storage | 44 acre-ft |
| Normal Storage | 9 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Grade Stabilization |
| Owner | Crawford County |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03610 |
| Federal ID | IA03610 |
| More Info | State Dam Safety Program |