Lucas County Roadgrade Dam 14-71-21
Lucas County Roadgrade Dam 14-71-21 is an earth dam located in Lucas County, Iowa, built in 1968. It carries a Low hazard potential classification.
About Lucas County Roadgrade Dam 14-71-21
Lucas County Roadgrade Dam 14-71-21 is a dam in Lucas, Iowa. The dam is owned by Lucas County Board Of Supervisors (private). It impounds the Tr- Chariton River near Rathbun Reservoir.
The dam stands 17 feet tall and stretches 700 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 67 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1968, the structure is well into its service life at over 50 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.
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Location
| State | Iowa |
| County | Lucas |
| Nearest City | Rathbun Reservoir |
| River/Stream | Tr- Chariton River |
| Coordinates | 40.94820, -93.23130 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 700 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 67 acre-ft |
| Max Storage | 67 acre-ft |
| Normal Storage | 21 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Lucas County Board of Supervisors |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA02890 |
| Federal ID | IA02890 |
| More Info | State Dam Safety Program |