Little Quilcene Final Report
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Little Quilcene-Leland Creek Watershed Rapid Habitat Assessment and Prioritized Restoration Framework Technical Report prepared by Wild Fish Conservancy Northwest 15629 Main Street NE Duvall, WA 98019 www.wildfishconservancy.org for Pacific Ecological Institute 4500 Ninth Avenue NE, Suite 300 Seattle, WA 98105 www.peiseattle.org September, 2008 Table of Contents Executive Summary.............................................................................................................07 Part I: Little Quilcene – Leland Creek Watershed Rapid Habitat Assessment Introduction..........................................................................................................................09 Background Watershed Setting ..................................................................................................................10 Hydrology ..............................................................................................................................12 Study Background ..................................................................................................................12 Methods Reach Delineation..................................................................................................................14 In-stream / Riparian Habitat Evaluation...............................................................................15 Spawning Surveys ..................................................................................................................17 Fish Passage Barrier Assessment..........................................................................................19 Water Type Assessment and Fish Distribution ......................................................................21 Results and Discussion Reach Delineation..................................................................................................................24 In-stream / Riparian Habitat Evaluation...............................................................................27 Spawning Surveys ..................................................................................................................28 Fish Passage Barrier Assessment..........................................................................................32 Water Type Assessment..........................................................................................................33 Fish Distribution....................................................................................................................35 Part II: Recommended Actions for Watershed Restoration and Recovery Watershed-wide recommendations for habitat protection and restoration in the Little Quilcene River and Leland Creek sub-basins (bulleted list) .....................39 Targeted, reach-specific restoration opportunities ...............................................................42 Little Quilcene River LQ-1: Hood Canal Salmon Enhancement Group estuary restoration.......................42 LQ-2: Reach 3, sub-reach 3A bank stabilization and LWD supplementation..........43 LQ-3: Wildwood Diversion Canal fish passage screening.......................................43 LQ-4: Wildwood Diversion Canal water rights investigation, mitigation for re-construction of cobble diversion dam, and habitat improvement..............44 2 LQ-5: Sub-reach 3B bank stabilization at site of cobble “push-up” dam.................45 LQ-6: Public information campaign for channel substrate manipulation.................45 LQ-7: Barrier culvert repair and re-connection of anadromous habitat on tributary WRIA 17.0082 – “Wildwood Creek” ........................................46 Leland Creek and Lake Leland General ......................................................................................................................47 L-1: Barrier culvert replacement and re-connection of fish-bearing habitat on tributary WRIA 17.0078 ..............................................................................47 L-2: Restoration recommendations for the headwater reach of tributary WRIA 17.0080 ...................................................................................49 a. Riparian restoration for north and south fork of WRIA 17.0080 ............49 b. Enforcement and public information campaign for hydraulics ordinances banning OHV use in perennial streams ...................................................50 c. Barrier culvert repair and re-connection of fish-bearing habitat on the 17.0080 H-d tributary channel ......................................................50 d. Livestock fencing setbacks and complete channel restoration of WRIA 17.0080 tributary channel at the Leland Creek confluence..........50 L-3: Leland Creek / Lower Leland Valley invasive vegetation removal, riparian habitat restoration, wetland rehabilitation, and protection for spring-fed tributary streams ..............................................................................51 L-4: Channel restoration and re-connection of fish-bearing habitat on 17.0017 Q-d – the eastern headwater tributary to the Upper Leland Valley Wetland Complex...........................................................52 L-5: Channel restoration and re-connection of fish-bearing habitat on 17.0017 Q-e / f – the western headwater tributary to the Upper Leland Valley Wetland Complex...........................................................53 L-6: Lake Leland and its tributaries a. Replacement of damaged culvert crossing of Leland Valley Road West along Leland Creek below the Lake Leland outlet..........................55 b. Removal of a defunct fish weir at the Lake Leland outlet.......................55 3 c. Discussion of non-native rainbow trout stocking in Lake Leland ...........55 d. riparian restoration for short lakeside tributaries 17.0017O,P.................56 e. Riparian and channel habitat restoration for the initial reaches of fish-bearing tributary 17.0017N at the Lake Leland confluence .............56 f. Barrier culvert replacement, defunct man-made dam removal, and re-connection of fish-bearing habitat throughout the lengthy 17.0017N Lake Leland tributary...............................................................57 L-7: Barrier repair for the Highway 101 culvert crossing of Leland Creek .............58 Ripley Creek R-1: Removal of partial-barrier downed tree trunk at the mouth of Ripley Creek to facilitate entry by anadromous salmonids ..............................59 R-2: Riparian restoration and channel LWD supplementation in sub-reach 1A ......59 R-3: Removal of invasive vegetation, channel rehabilitation, and riparian habitat restoration in sub-reach 1B ...................................................................60 R-4: Public information campaign regarding functions of beaver in maintaining aquatic habitat processes throughout the Little Quilcene watershed................60 R-5: Barrier culvert repair and re-connection of fish-bearing habitat throughout headwater reaches of Ripley Creek................................................60 Howe Creek General ......................................................................................................................61 H-1: Removal of invasive vegetation, channel rehabilitation, and riparian habitat restoration in Reach 4 ...........................................................................61 H-2: Public information campaign regarding functions of beaver in maintaining aquatic habitat processes throughout the Little Quilcene watershed................62 Cemetery Drain General .......................................................................................................................63 4 Part III: Little Quilcene – Leland Watershed Habitat Reconnaissance Notes Little Quilcene River Reach 1, sub-reach 1A ...........................................................................................................64 Reach 1, sub-reach 1B ...........................................................................................................65 Reach 2...................................................................................................................................67 Reach 3, sub-reach 3A ...........................................................................................................68 Reach 3, sub-reach 3B ...........................................................................................................69 Reach 4...................................................................................................................................70 Reach 5...................................................................................................................................71 Reach 6...................................................................................................................................72 Leland Creek Reach 1...................................................................................................................................73 Reach 2...................................................................................................................................75 Reach 3...................................................................................................................................76 Reach 4...................................................................................................................................78 Reach 5...................................................................................................................................79