Cottonwood Creek Watershed Assessment

The purpose of the Cottonwood Creek Watershed Assessment is to gather and integrate existing information on the present and historical environmental and land use conditions within the Cottonwood Creek watershed. This represents the first comprehensive effort to document the state of information available in the entire watershed. This report does not present management recommendations for the Cottonwood Creek watershed; rather, it focuses on prior studies and suggests avenues for further study that may be useful to watershed managers and stakeholders. The complete report is available in one large PDF file (17 MB ), or as smaller PDF files, divided by chapter below.

Cover and Table of Contents	PDF 585 KB
Chapter 1: Introduction General Description Hydrology Sediment and Fluvial Geomorphology Soil Resources Water Quality Vegetative Cover Fishery Resources Wildlife Resources and Habitat Types Special-status Species Riparian Communities Land Use Objective Scope Background Cottonwood Creek Board of Directors, 2001 Technical Advisory Committee, 2001 References	PDF 514 KB
Chapter 2: Hydrology Setting Current Hydrologic Regime Shasta County Tehama County Description of the Cottonwood Creek Watershed Area North Fork Middle Fork South Fork Cottonwood Creek Water Development Precipitation and Runoff Groundwater Historical Hydrologic Conditions 1800 to 1850 1850 to 1900 1900 to 1950 1950 to 1975 1975 to Current Hydrology Conclusions and Recommendations Recommendations References	PDF 2608 KB
Chapter 3: Sediment and Fluvial Geomorphology Watershed History Setting Geology Current Sediment and Fluvial Geomorphology Characteristics Previous Studies Sediment Discharge Sediment Size Distribution Channel Form Channel Width Channel Slope and Elevation Bankfull Discharge Historical Sediment and Fluvial Geomorphologic Conditions 1800 to 1850 1850 to 1900 1900 to 1950 1950 to 1975 1975 to Current Sediment and Fluvial Geomorphology Conclusions and Recommendations References	PDF 559 KB
Chapter 4: Soil Resources Setting Current Soil Characteristics Millsholm-Sehorn-Lodo (CA147) Newville-Dibble-Corning (CA140) Etsel-Maymen-Parrish (CA138) Heneke-Stonyford-Maymen (CA139) Sheetiron-Goulding-Millich (CA137) Tehama-Hillgate-Arbuckle (CA146) Newtown-Red Bluff-Redding (CA157) Barpeak-Sheetiron-Marpa (CA104) Chaix-Corbett-Kanaka (CA154) Neuns-Deadwood-Kindig (CA011) Historical Characteristics 1800 to 1850 1850 to 1900 1900 to 1950 1950 to 1975 1975 to Current Soil Resources Conclusions and Recommendations Recommendations References	PDF 815 KB
Chapter 5: Water Quality Setting Water-quality Monitoring Surface-water-quality Monitoring—USACE Surface-water-quality Monitoring, DWR Groundwater Quality Groundwater Monitoring, DWR Groundwater Monitoring, USGS Current Water Quality Surface-water Quality Historical Water Quality 1800 to 1850 1850 to 1900 1900 to 1950 1950 to 1975 1975 to Current Water-quality Conclusions and Recommendations Recommendations References	PDF 793 KB
Chapter 6: Vegetative Cover Setting Current Vegetation Review of Available Technical Data Vegetative Cover Agriculture Barren Urban Serpentine Chaparral Annual Grassland Riparian Douglas Fir/True Fir Mixed Conifer Blue Oak/Gray Pine Water Historical Vegetative Cover Conditions 1800 to 1850 1850 to 1900 1900 to 1950 1950 to 1975 1975 to Current Vegetative Cover Conclusions and Recommendations References	PDF 4469 KB
Chapter 7: Fishery Resources Setting Current Fishery Resources Habitat Conditions Fish Populations Historical Fishery Resources Conditions 1800 to 1850 1850 to 1900 1900 to 1950 1950 to 1975 1975 to Current Fishery Resources Conclusions and Recommendations Recommendations References	PDF 695 KB
Chapter 8: Wildlife Resources and Habitat Types Setting Current Wildlife and Habitat Conditions Methods Habitat Types Historical Occurrence of Wildlife and Habitat 1800 to 1850 1850 to 1900 1900 to 1950 1950 to 1975 1975 to Current Wildlife Resources and Habitat Types Conclusions and Recommendations Recommendations References	PDF 924 KB
Chapter 9: Special-status Species Setting Potential Presence of Special-status Species State- and Federal-listed Threatened and Endangered Species Other Special-status Species Historical Occurrence of Special-status Species 1975 to Current Special-status Species Conclusions and Recommendations Recommendations References	PDF 927 KB
Chapter 10: Riparian Communities Setting Current Riparian Communities Historical Occurrence of Riparian Communities 1800 to 1850 1850 to 1900 1900 to 1950 1950 to 1975 1975 to Current Riparian Communities Conclusions and Recommendations Recommendations References	PDF 481 KB
Chapter 11: Land Use Setting Current Land Use Agriculture Timber Public Lands Habitat Resource/Open Space/Recreation Residential Mining Land Use Plans Redding Resource Management Plan and Record of Decision, US Department of the Interior Bureau of Land Management Land and Resource Management Plan, Shasta-Trinity National Forest, US Forest Service General Plan Zoning Plan Department of Water Resources Land Use Surveys Land Use Maps Historical Land Use 1800 to 1850 1850 to 1900 1900 to 1950 1950 to 1975 1975 to Current Land Use Conclusions and Recommendations Recommendations References	PDF 1298 KB
Chapter 12: Cottonwood Creek Watershed Assessment Summary Conclusions and Recommendations Phased Approach to Watershed Management Phase 1 Establish CCWG Phase 2 Develop CCWG Phase 3 Establish Desired Condition of Watershed Phase 4 Affect Change in Watershed Overall Conclusions and Recommendations Hydrology Conclusions and Recommendations Recommendations Sediment and Fluvial Geomorphology Conclusions and Recommendations Soil Resources Conclusions and Recommendations Recommendations Water-quality Conclusions and Recommendations Recommendations Vegetative Cover Conclusions and Recommendations Fishery Resources Conclusions and Recommendations Recommendations Wildlife Resources and Habitat Types Conclusions and Recommendations Recommendations Special-status Species Conclusions and Recommendations Recommendations Riparian Communities Conclusions and Recommendations Recommendations Land Use Conclusions and Recommendations Recommendations References	PDF 587 KB
Appendix A: Water Data	PDF 744 KB
Appendix B: Fishery Resources Data	PDF 218 KB
Appendix C: Wildlife Resources and Habitat Types Data	PDF 80 KB
Appendix D: Special-status Species Data	PDF 768 KB
Appendix E: Riparian Communities Data	PDF 74 KB
Appendix F: Soil Resources Data	PDF 351 KB
Appendix G: Vegetative Cover Data	PDF 196 KB
Appendix H: Sediment Data (USGS)	PDF 367 KB
Appendix I: List of Available Timber Harvest Documents	PDF 647 KB