English Bench Watershed Site 9, located in Allamakee, Iowa, is a crucial asset for fire protection, livestock, and small fish pond purposes.
Wind
Humidity
This watershed site, managed by the USDA NRCS, boasts an earth dam standing at a height of 38 feet and stretching 230 feet in length. Completed in 1970, the dam has a storage capacity of 32 acre-feet and serves to reduce flood risks in the area.
With a drainage area of 0.15 square miles and a surface area of 2 acres, English Bench Watershed Site 9 plays a vital role in managing water resources in the region. Although it has a low hazard potential, the dam's condition assessment in 2018 revealed it to be unsatisfactory. Despite this, the site remains under state jurisdiction and regulation by the Iowa DNR, ensuring that it continues to function effectively for its intended purposes.
As water resource and climate enthusiasts explore the English Bench Watershed Site 9, they will discover a well-maintained earth dam that serves multiple functions while mitigating moderate risks. Managed by local government authorities and situated near the Mississippi River, this site stands as a testament to the importance of sustainable water management practices in safeguarding communities and ecosystems.
Year Completed |
1970 |
Dam Length |
230 |
Dam Height |
38 |
River Or Stream |
TR-UPPER IOWA RIVER |
Primary Dam Type |
Earth |
Surface Area |
2 |
Drainage Area |
0.15 |
Nid Storage |
32 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
38 |
Upper Iowa River Near Dorchester
|
147cfs |
Upper Iowa River At Decorah
|
137cfs |
South Fork Root River Near Houston
|
209cfs |
Upper Iowa River At Bluffton
|
264cfs |
Root River Near Houston
|
472cfs |
Yellow River At Ion
|
23cfs |