Client:
City of Sioux Center
Sioux Center, IA
Key Features:
- Raised the level of the water table
- Improved water quality
- Removed existing dysfunctional dam
Key Experience:
- Project coordination with the Iowa DNR, general contractor, and subcontractor.
Low Head Dam Design & Survey
DGR performed the topographic survey as well as the design of the low head dam. Construction of the dam involved removing an existing dysfunctional dam and installing sheet piles and rip rap. After construction, the water table rose, benefiting the City’s well fields, and the water quality improved downstream.
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DGR employed a Geographic Information System (GIS) in conjunction with the U.S. Army Corps of Engineers to first determine the 100-year flood elevations and delineate the floodway boundaries.
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Wastewater Treatment Facility (SBR)
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Site Development
Planning started with site plan design for the new facility to offer maximum exposure to traffic on Highway 75.
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Wastewater Treatment Facility (SBR)
The new plant, rated for 5.3 million gallons per day (MGD) peak day, doubles the capacity of its predecessor.
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