Graceland College Dam is an earth dam located in Decatur County, Iowa, built in 1959. It carries a Low hazard potential classification.
Dam profile
NID height · 12 ft12 ft tall and 624 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 Graceland College Dam
The primary purpose of Graceland College Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Graceland College (private). It impounds the Tr-east Fork Big Creek near Lamoni.
The dam stands 12 feet tall and stretches 624 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 80 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1959, 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. The most recent inspection on record was 10/10/1960. That was over 66 years ago.
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Location
| State | Iowa |
| County | Decatur |
| Nearest City | Lamoni |
| River/Stream | Tr-east Fork Big Creek |
| Coordinates | 40.61270, -93.92240 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 624 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 80 acre-ft |
| Max Storage | 80 acre-ft |
| Normal Storage | 38 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Graceland College |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/10/1960 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00340 |
| Federal ID | IA00340 |
| More Info | State Dam Safety Program |