Built in 1976 by CLAPSADDLE-GARBER ASSOC and USDA NRCS, this dam serves a variety of purposes beyond flood control, as indicated by its 'Other' primary purpose designation. With a dam height of 24 feet and a length of 800 feet, Iowa Noname77 has a normal storage capacity of 44 acre-feet and a maximum storage of 81 acre-feet across its 6.2-acre surface area.
Managed by the Iowa Department of Natural Resources, this low-hazard dam is regulated, inspected, and enforced by state authorities. Despite being rated as 'Not Rated' in terms of condition assessment, Iowa Noname77 is considered to have a moderate risk level (3) according to the available data. While the dam's emergency action plan status, risk management measures, and inundation maps remain unclear, the regulatory oversight and enforcement mechanisms in place provide a level of assurance for the surrounding community and environment. Water resource and climate enthusiasts can appreciate the complexities and implications of managing dams such as Iowa Noname77 within the broader context of sustainable water resource management and climate resilience efforts.
Wind
Humidity
Year Completed |
1976 |
Dam Length |
800 |
Dam Height |
24 |
River Or Stream |
TR-LINN CREEK |
Primary Dam Type |
Earth |
Surface Area |
6.2 |
Drainage Area |
0.21 |
Nid Storage |
81 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
24 |
Iowa River At Marshalltown
|
858cfs |
Timber Creek Near Marshalltown
|
69cfs |
South Fork Iowa River Ne Of New Providence
|
132cfs |
Indian Creek Near Mingo
|
159cfs |
Richland Creek Near Haven
|
20cfs |
South Skunk River At Colfax
|
517cfs |
| Location | Reservations | Toilets |
|---|---|---|
Timmons Grove County Park
|
||
Riverview Park - Marshalltown
|
||
Grammer Grove Wildlife Area
|