CROOKED RIVER BASIN PLAN OCHOCO FISH DISTRICT May 1996 Amy M. Stuart Steven L. Thiesfeld Thomas K. Nelson and Terry M. Shrader 1 ABBREVIATED TABLE OF CONTENTS OVERVIEW .............................................................................................................................. 1 HABITAT AND HABITAT LIMITATIONS ................................................................................ 21 RESTORATION OF ANADROMOUS FISH PASSAGE ......................................................... 37 CROOKED RIVER AND TRIBUTARIES ABOVE PRINEVILLE RESERVOIR INCLUDING NORTH AND SOUTH FORKS ..................................................................... 48 CROOKED RIVER BELOW PRINEVILLE RESERVOIR INCLUDING OCHOCO AND MCKAY CREEKS ............................................................................................................... 75 WILLOW CREEK ................................................................................................................. 104 PRINEVILLE RESERVOIR .................................................................................................. 115 OCHOCO RESERVOIR ....................................................................................................... 138 HAYSTACK RESERVOIR .................................................................................................... 151 LAKE BILLY CHINOOK ........................................................................................................ 169 LAKE SIMTUSTUS .............................................................................................................. 197 SMALL IMPOUNDMENTS ................................................................................................... 214 REFERENCES ..................................................................................................................... 240 GLOSSARY ......................................................................................................................... 248 ACRONYMS ........................................................................................................................ 252 i TABLE OF CONTENTS OVERVIEW .............................................................................................................................. 1 Introduction ........................................................................................................................... 1 Overview ............................................................................................................................... 1 Location and Ownership ........................................................................................................ 4 Access ................................................................................................................................... 6 Fish Resources ..................................................................................................................... 7 Fish Stocking History ........................................................................................................... 15 Angling Regulations ............................................................................................................ 16 Fish Management ................................................................................................................ 17 HABITAT AND HABITAT LIMITATIONS ................................................................................ 21 Historical Habitat Conditions ............................................................................................... 21 Present Habitat Conditions and Causative Factors ............................................................. 21 Habitat Protection ................................................................................................................ 28 Habitat Restoration .............................................................................................................. 30 Management Issues and Concerns ..................................................................................... 30 Management Direction ........................................................................................................ 32 RESTORATION OF ANADROMOUS FISH PASSAGE ......................................................... 37 Overview ............................................................................................................................. 37 Anadromous and Resident Fish Resources ........................................................................ 38 Irrigation and Hydroelectric dams ........................................................................................ 41 Management Issues and Concerns ..................................................................................... 44 Management Direction ........................................................................................................ 45 CROOKED RIVER AND TRIBUTARIES ABOVE PRINEVILLE RESERVOIR INCLUDING NORTH AND SOUTH FORKS .......................................................................... 48 Overview .......................................................................................................................... 48 North Fork Crooked River ................................................................................................... 50 Location and Ownership ................................................................................................... 50 Habitat and Habitat Limitations ........................................................................................ 50 Access .............................................................................................................................. 52 Fish Resources ................................................................................................................ 52 Fish Stocking History ........................................................................................................ 53 Angling Regulations ......................................................................................................... 53 Fish Management ............................................................................................................. 54 Management Issues and Concerns .................................................................................. 54 ii South Fork Crooked River ................................................................................................... 55 Location and Ownership ................................................................................................... 55 Habitat and Habitat Limitations ........................................................................................ 56 Access .............................................................................................................................. 56 Fish Resources ................................................................................................................ 57 Fish Stocking History ........................................................................................................ 57 Angling Regulations ......................................................................................................... 58 Fish Management ............................................................................................................. 57 Management Issues and Concerns .................................................................................. 59 Beaver Creek ...................................................................................................................... 59 Location and Ownership ................................................................................................... 59 Habitat and Habitat Limitations ........................................................................................ 60 Access .............................................................................................................................. 60 Fish Resources ................................................................................................................ 60 Fish Stocking History ........................................................................................................ 61 Angling Regulations ......................................................................................................... 61 Fish Management ............................................................................................................. 61 Management Issues and Concerns .................................................................................. 62 Main Stem Crooked River Below the Confluence of the South Fork Crooked river and Beaver Creek ......................................................................................... 62 Location and Ownership ................................................................................................... 62 Habitat and Habitat Limitations ........................................................................................ 63 Access .............................................................................................................................. 63 Fish Resources ................................................................................................................ 63 Fish Stocking History ........................................................................................................ 64 Angling