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Bad River Watershed #391 Road Crossing Fish Passage Restoration and Project Monitoring – Ashland NFWCO 2008
Midwest Region, December 10, 2008
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Glenn Miller (FWS) and Michelle Wheeler (BRWA) electrofishing directly above Restored Culvert site.  Bayfield County, Wisconsin.  October 2008.  Photographer: Ted Koehler.
Glenn Miller (FWS) and Michelle Wheeler (BRWA) electrofishing directly above Restored Culvert site. Bayfield County, Wisconsin. October 2008. Photographer: Ted Koehler.
Glenn Miller (FWS), Pam Dryer (FWS) and Michelle Wheeler (BRWA) working up fish from monitoring of the restored culvert site BRW #391.  Bayfield County, Wisconsin.  October 2008.  Photographer: Ted Koehler.
Glenn Miller (FWS), Pam Dryer (FWS) and Michelle Wheeler (BRWA) working up fish from monitoring of the restored culvert site BRW #391. Bayfield County, Wisconsin. October 2008. Photographer: Ted Koehler.

Multiple partners in northern Wisconsin worked together to restore fish passage at Bad River Watershed Culvert #391 on a tributary to 18 Mile Creek at South Sweden Road in Bayfield County, Wisconsin.  The culvert located within the Bad River Watershed was both perched and a velocity barrier to brook trout and other fish.  The Bad River watershed is a high priority for restoration and evaluation by the area’s private organizations, government agencies and the Bad River Band of Lake Superior Chippewa.  The U.S. Fish and Wildlife Service’s Ashland National Fish and Wildlife Conservation Office (NFWCO) and the Bad River Watershed Association (BRWA) are evaluating the status and compiling an inventory of nearly 1,100 road crossings in the watershed.  This provides a strategic approach to habitat restoration within this large and complex system.

The Town of Grandview, BRWA, Bayfield County Land and Water Conservation Department, Wisconsin Department of Natural Resources and the U.S. Fish and Wildlife Service partnered to install and embed a 4 foot high and 5 foot high pipe arch culvert at the road crossing and restore fish passage to 2.5 miles of cold water habitat above the former barrier.  The restoration of this site now provides access to the brook trout population once trapped below the old culvert to miles of new spawning habitat.

Monitoring the effectiveness of the restoration was also an important part of this project.  A mark and recapture study was carried out in order to assess the newly installed culverts ability to pass fish.  Trout from above the barrier were collected and marked prior to installation.  Upon completion of construction, the site was electrofished above the barrier and 10% of the originally marked fish were recaptured.  This was a lower percentage recaptured when compared to some of the offices other fish passage monitoring efforts, but still considered satisfactory.  Several factors at this site including delays in construction which added and extra month and a half between surveys most likely contributed to the lower percentage of recaptures.  Overall the project is a great success with confirmed successful fish passage.  The Ashland NFWCO and the BRWA conducted the monitoring and plan to do more of this type of evaluation on future habitat restoration projects.

Contact Info: Ted Koehler, 715-682-6185, ted_koehler@fws.gov



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