Appanoose County Roadgrade is an earth dam located in Appanoose County, Iowa, built in 1988. It carries a Low hazard potential classification.
Dam profile
NID height · 24 ft24 ft tall and 350 ft long. 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 Appanoose County Roadgrade
Appanoose County Roadgrade is a dam in Appanoose, Iowa. The dam is owned by Appanoose County Board of Supervisors (local government). It impounds the Tr-chariton River near Coal City.
The dam stands 24 feet tall and stretches 350 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 67 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1988, the structure is 38 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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Iowa |
| County | Appanoose |
| Nearest City | Coal City |
| River/Stream | Tr-chariton River |
| Coordinates | 40.78000, -92.80440 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 350 ft |
| Year Completed | 1988 (38 years old) |
Storage & Hydraulics
| NID Storage | 67 acre-ft |
| Max Storage | 67 acre-ft |
| Normal Storage | 8 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Appanoose County Board of Supervisors |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA02420 |
| Federal ID | IA02420 |
| More Info | State Dam Safety Program |