Iowa Noname64 is an earth dam located in Washington County, Iowa, built in 1968. It carries a Low hazard potential classification.
Dam profile
NID height · 33 ft33 ft tall and 700 ft long, taller than 76% 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 Noname64
The primary purpose of Iowa Noname64 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Washington County Board of Supervisors (local government). It impounds the Tr-west Fork Crooked Creek near Coppock.
The dam stands 33 feet tall and stretches 700 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 389 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.
At 33 feet, this dam is taller than 76% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Iowa |
| County | Washington |
| Nearest City | Coppock |
| River/Stream | Tr-west Fork Crooked Creek |
| Coordinates | 41.25780, -91.67110 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 700 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 389 acre-ft |
| Max Storage | 389 acre-ft |
| Normal Storage | 162 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Washington County Board of Supervisors |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01417 |
| Federal ID | IA01417 |
| More Info | State Dam Safety Program |