Pleasant Valley No.
Wind
Humidity
1, also known as Hundorf Pond, is a privately owned earth dam located in Winona, Minnesota, along Pleasant Valley Creek. Built in 1968 by the USDA NRCS, this dam serves the primary purpose of flood risk reduction in the area. With a height of 34 feet and a length of 470 feet, Pleasant Valley No. 1 has a storage capacity of 80.5 acre-feet and covers a surface area of 2.7 acres.
Managed by the Minnesota Department of Natural Resources, this dam is state regulated, permitted, inspected, and enforced to ensure its structural integrity and safety. Despite being classified as having a significant hazard potential, the condition assessment of Pleasant Valley No. 1 is deemed satisfactory as of April 2015. The dam has an uncontrolled spillway and outlet gates, with a maximum discharge capacity of 1123 cubic feet per second.
With a moderate risk rating, Pleasant Valley No. 1 remains a crucial asset for flood risk management in the region. Its design and construction by the USDA NRCS reflect a commitment to safeguarding water resources and mitigating the impacts of climate change on the local landscape. The dam's role in protecting the surrounding community underscores the importance of sustainable water resource management practices in maintaining a resilient infrastructure for future generations.
Year Completed |
1968 |
Dam Length |
470 |
Dam Height |
34 |
River Or Stream |
PLEASANT VALLEY CREEK |
Primary Dam Type |
Earth |
Surface Area |
2.7 |
Drainage Area |
1.43 |
Nid Storage |
80.5 |
Structural Height |
38 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Significant |
Foundations |
Unlisted/Unknown |
Nid Height |
38 |
Mississippi River At Winona
|
13700cfs |
Root River Near Houston
|
472cfs |
Trempealeau River At Dodge
|
953cfs |
South Fork Root River Near Houston
|
209cfs |
Black River Near Galesville
|
862cfs |
La Crosse River Near La Crosse
|
348cfs |
| Location | Reservations | Toilets |
|---|---|---|
Pla-Mor Campground
|
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Group Tent Campsite
|
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Perrot State Park Campground
|
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Perrot State Park
|
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Prairie Island City Campground
|
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Prairie Island Campground
|