Polk County Roadgrade Dam 5-80-22
Polk County Roadgrade Dam 5-80-22 is an earth dam located in Polk County, Iowa, built in 1996. It carries a Low hazard potential classification.
About Polk County Roadgrade Dam 5-80-22
Polk County Roadgrade Dam 5-80-22 is a dam in Polk, Iowa. The dam is owned by Polk County Public Works Dept (local government). It impounds the Tr- Skunk River near Colfax.
The dam stands 35 feet tall and stretches 435 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 74 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1996, the structure is 30 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 35 feet, this dam is taller than 82% 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 | Polk |
| Nearest City | Colfax |
| River/Stream | Tr- Skunk River |
| Coordinates | 41.77220, -93.44330 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 435 ft |
| Year Completed | 1996 (30 years old) |
Storage & Hydraulics
| NID Storage | 74 acre-ft |
| Max Storage | 74 acre-ft |
| Normal Storage | 37 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Polk County Public Works Dept |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA03151 |
| Federal ID | IA03151 |
| More Info | State Dam Safety Program |