Iowa Noname8 is an earth dam located in Crawford County, Iowa, built in 1964. It carries a Low hazard potential classification.
Dam profile
NID height · 38 ft38 ft tall and 522 ft long, taller than 84% 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 Iowa Noname8
The primary purpose of Iowa Noname8 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Crawford County Conservation Board (local government). It impounds the Tr-boyer River near Dunlap.
The dam stands 38 feet tall and stretches 522 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 220 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1964, 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 09/17/1964. That was over 62 years ago.
At 38 feet, this dam is taller than 84% of dams nationwide.
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Location
| State | Iowa |
| County | Crawford |
| Nearest City | Dunlap |
| River/Stream | Tr-boyer River |
| Coordinates | 41.93610, -95.58830 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 522 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 220 acre-ft |
| Max Storage | 220 acre-ft |
| Normal Storage | 111 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Crawford County Conservation Board |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/17/1964 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA00233 |
| Federal ID | IA00233 |
| More Info | State Dam Safety Program |