| Client: | North Santiam Watershed Council, NRCS |
| Partners: | Landowners, U.S. Forest Service, S.G.Anderson Construction |
| Location: | Stayton, Oregon |
| Date: | 2008 |
Existing undersized culvert clogged with debris.
|  | The North Santiam Watershed Council (NSWC) retained RDG to complete a culvert replacement design for the Hatch Airport Project. Additional work tasks included a fish habitat assessment and improvement design, invasive plant species removal, and revegetation plan. RDG used a hydraulic model developed by WEST Consultants, Inc. to evaluate existing and proposed side channel conditions. From 2007 to 2008, RDG replaced three undersized culverts with zero-slope culverts. Large wood structures were also placed in both the sidechannel and a floodplain pond to increase juvenile rearing habitat. An invasive species removal project and revegetation plan will be implemented in 2009.
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