Iowa Noname77 is an earth dam located in Marshall County, Iowa, built in 1976. It carries a Low hazard potential classification.
Dam profile
NID height · 24 ft24 ft tall and 800 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 Iowa Noname77
Iowa Noname77 is a dam in Marshall, Iowa. The dam is owned by Marshall County Solid Waste Management (local government). It impounds the Tr-linn Creek near Marshalltown.
The dam stands 24 feet tall and stretches 800 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 81 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1976, the structure is 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 | Marshall |
| Nearest City | Marshalltown |
| River/Stream | Tr-linn Creek |
| Coordinates | 42.03500, -92.98550 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 800 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 81 acre-ft |
| Max Storage | 81 acre-ft |
| Normal Storage | 44 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Marshall County Solid Waste Management |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IA01638 |
| Federal ID | IA01638 |
| More Info | State Dam Safety Program |