Bear Creek Watershed Site 47, located in Winneshiek County, Iowa, is a flood risk reduction structure designed by the USDA NRCS and completed in 2006.
Wind
Humidity
This earth dam stands at 32 feet in height and spans 430 feet in length, with a storage capacity of 241 acre-feet and a drainage area of 1.17 square miles. The dam serves the primary purpose of flood risk reduction along TR- South Bear Creek, contributing to the overall management of water resources in the area.
Managed by the Iowa DNR and meeting state regulatory standards, Bear Creek Watershed Site 47 has a low hazard potential and a moderate risk assessment rating. While the structure is currently in a not-rated condition, it undergoes regular state inspections, permitting, and enforcement to ensure its continued effectiveness in mitigating flood risks. With its uncontrolled spillway type and rock-soil foundation, the dam plays a crucial role in protecting the surrounding Highlandville community from potential flood events.
As a key component in the water resource infrastructure of the region, Bear Creek Watershed Site 47 provides valuable insights for water resource and climate enthusiasts interested in understanding how local governments and agencies collaborate to manage flood risk and protect communities. With its strategic location, design features, and state-regulated operation, this site exemplifies the importance of proactive measures in safeguarding against natural disasters and promoting sustainable water management practices in Iowa.
Year Completed |
2006 |
Dam Length |
430 |
Dam Height |
32 |
River Or Stream |
TR- SOUTH BEAR CREEK |
Primary Dam Type |
Earth |
Surface Area |
9 |
Drainage Area |
1.17 |
Nid Storage |
241 |
Hazard Potential |
Low |
Foundations |
Rock, Soil |
Nid Height |
32 |
Upper Iowa River Near Dorchester
|
147cfs |
Upper Iowa River At Decorah
|
137cfs |
Upper Iowa River At Bluffton
|
264cfs |
Turkey River At Spillville
|
78cfs |
South Fork Root River Near Houston
|
209cfs |
Root River Near Houston
|
472cfs |
| Location | Reservations | Toilets |
|---|---|---|
Highland General Store & Campground
|
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Trollskogen City Park
|
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Pulpit Rock Campground
|
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Sampson Springs Campground
|
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Canoe landing
|