Arkema Dam #2 is an earth dam located in Marion County, Iowa, built in 2005. It carries a Low hazard potential classification.
Dam profile
NID height · 27 ft27 ft tall and 365 ft long, taller than 59% of U.S. dams with a recorded height. 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 Arkema Dam #2
The primary purpose of Arkema Dam #2 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Kevin Arkema (private). It impounds the Trib to Butcher Creek near Lake Rathbun.
The dam stands 27 feet tall and stretches 365 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 39 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2005, 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.
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Location
| State | Iowa |
| County | Marion |
| Nearest City | Lake Rathbun |
| River/Stream | Trib to Butcher Creek |
| Coordinates | 41.35920, -93.23560 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 365 ft |
| Year Completed | 2005 (21 years old) |
Storage & Hydraulics
| NID Storage | 39 acre-ft |
| Max Storage | 39 acre-ft |
| Normal Storage | 8 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 129 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Kevin Arkema |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA04071 |
| Federal ID | IA04071 |
| More Info | State Dam Safety Program |