Quick Facts:

Project Status

In Development


ID, Caribou

NFPP Project Funding


Restoration Techniques

Culvert Replacement


1 Stream Mile Reopened

Project Partner Lead

US Forest Service, Caribou Targhee National Forest

Primary Species Benefited

Yellowstone Cutthroat Trout

Mill Creek culvert

About the Project:

This project will replace an undersized and perched pipe culvert on Mill Creek, a tributary to Blackfoot Reservoir. Perched pipe culverts prevent aquatic wildlife from migrating freely. It will be replaced with a natural bottom box culvert resulting in spawning habitat access for Yellowstone cutthroat trout. Obsolete or poorly designed dams, culverts, stream crossings, and levees keep fish, and other aquatic species from moving freely to feed, migrate, and reproduce.  These challenges put fish populations at risk and undermine the health of the rivers.  

The National Fish Passage Program combines technical expertise with a track record of success. 

Implemented primarily through the Service's Fish and Wildlife Conservation Offices, the National Fish Passage Program provides financial and technical assistance to partners across the country. Since 1999, the program has worked with over 2,000 local communities, Tribes, and private landowners to remove or bypass over 3,400 barriers to fish passage and reopen access to over 61,000 miles of upstream habitat for fish and other animals. Staff have expertise in fish migration and biology as well as financial, engineering, and planning assistance to communities, Tribes, and landowners to help them remove barriers and restore rivers for the benefit both fish and people. 

Fish passage project proposals can be initiated by any individual, organization, government, or agency. However, proposals must be submitted and completed in cooperation with a Fish and Wildlife Conservation Office. (Please note that fish passage projects being used for federal or state compensatory mitigation or required by existing federal or state regulatory programs are not eligible for funding through the National Fish Passage Program.) 


Contact Information



The Fish Passage Program works with local communities on a voluntary basis to restore rivers and conserve our nation’s aquatic resources by removing or bypassing barriers. Our projects benefit both fish and people.


We provide technical assistance, facilitation, and Service representation to the States of Idaho and Washington, Native American tribes, and other entities to encourage cooperative conservation, restoration, and management of the fishery resources in the Snake River basin and the State of Idaho...

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