Watershed Management – Umpqua Basin Umpqua Basin Status Report and Action Plan July 30, 2014 Water Quality Western Region 811 SW 6th Avenue Portland, OR 97204 Phone: (503) 229-5696 (800) 452-4011 Fax: (503) 229-6762 Contact: Heather Tugaw www.oregon.gov/DEQ DEQ is a leader in restoring, maintaining and enhancing the quality of Oregon’s air, land and water. Last Updated: 7/30/2014 By: Jane Doe DEQ 03-??-### This report prepared by: Oregon Department of Environmental Quality 811 SW 6th Avenue Portland, OR 97204 1-800-452-4011 www.oregon.gov/deq Contact: Heather Tugaw (541) 776-6010 Alternative formats (Braille, large type) of this document can be made available. Contact DEQ’s Office of Communications & Outreach, Portland, at (503) 229-5696, or toll-free in Oregon at 1-800-452-4011, ext. 5696. Umpqua Basin Status Report and Action Plan ii Table of Contents Concurrences ............................................................................................................................ iii Executive Summary .................................................................................................................... 1 1. Introduction ............................................................................................................................. 8 1.1 Purpose ............................................................................................................................................ 8 1.2 Plan Overview................................................................................................................................... 8 1.3 Geographic Area .............................................................................................................................. 8 1.4 Current Land Uses/Cover and Land Ownership ............................................................................ 10 1.5 Climate ............................................................................................................................................ 10 1.6 Geology .......................................................................................................................................... 11 1.7 Beneficial Uses ............................................................................................................................... 13 1.8 Water Rights ................................................................................................................................... 14 1.9 Fisheries ......................................................................................................................................... 15 1.10 Land Use and Resource Concerns .............................................................................................. 17 2. Water Quality Status and Impacts to Beneficial Uses ............................................................ 21 2.1 General Surface Water Quality Conditions .................................................................................... 21 2.1.1 Oregon Water Quality Index ..................................................................................................... 21 2.1.2 Coastal Environmental Monitoring and Assessment ............................................................... 24 2.1.2.1 Water Quality ...................................................................................................................... 25 2.1.2.2 Pollutant Exposure: Sediment Quality ................................................................................ 26 2.1.2.2 Pollutant Exposure: Fish and Contaminants ...................................................................... 31 2.2 Water Contact Recreation .............................................................................................................. 34 2.2.1 Fecal bacteria, E. coli, and other pathogens ............................................................................ 34 Umpqua Basin Status Report and Action Plan iv 2.2.2. Harmful Algal Blooms (HABs) ................................................................................................. 37 2.3 Fish and Shellfish Consumption ..................................................................................................... 40 2.3.1 Fecal Coliform .......................................................................................................................... 40 2.3.3 Metals ....................................................................................................................................... 44 2.4 Water Supply .................................................................................................................................. 48 2.4.1 Public Water Supply: Bacteria, Turbidity, Nitrates, Toxics ....................................................... 48 2.4.2 Groundwater: Nitrate, Bacteria, Metals .................................................................................... 52 2.5 Fish and Aquatic Life ...................................................................................................................... 56 2.5.1 Macroinvertebrate Assemblage ............................................................................................... 56 2.5.2 Toxics ....................................................................................................................................... 59 2.5.3 Temperature ............................................................................................................................. 67 2.5.4 Sedimentation/Turbidity............................................................................................................ 68 2.5.5 Dissolved Oxygen/pH/Nutrients/Aquatic Weeds and Algae..................................................... 70 2.5.6 Flow/Habitat ............................................................................................................................. 74 3. Water Quality Action Plan ..................................................................................................... 78 3.1 Purpose .......................................................................................................................................... 78 3.2 Goals .............................................................................................................................................. 78 3.3 Summary of Water Quality Resource Concerns by Geographic Area ........................................... 79 3.4 General Priorities in the Umpqua Basin ......................................................................................... 80 3.5 Water Quality Standards ................................................................................................................ 80 3.6 Water Quality Assessment ............................................................................................................. 81 3.7 Total Maximum Daily Loads ........................................................................................................... 82 3.7.1 Umpqua Basin TMDLs ............................................................................................................. 82 3.7.2 Little River TMDL ...................................................................................................................... 83 Umpqua Basin Status Report and Action Plan v 3.7.3 TMDL Implementation-Basin wide ........................................................................................... 83 3.7.4 TMDLs and Related Work for 2014-2019 ................................................................................ 86 3.8 Waste Water Control – Point Source Program ............................................................................... 90 3.8.1 Industrial and Domestic Wastewater Permitting ...................................................................... 90 3.8.2 Water Pollution Control Facility (WPCF) .................................................................................. 90 3.8.3 National Pollution Discharge Elimination System (NPDES) .................................................... 90 3.8.4 Permit Classifications ............................................................................................................... 90 3.8.4.1 General Permits ................................................................................................................. 91 3.8.4.2 Individual Permits ............................................................................................................... 92 3.9 Stormwater Program ...................................................................................................................... 96 3.10 Pretreatment Program .................................................................................................................. 97 3.11 Biosolids Program ........................................................................................................................ 98 3.12 Underground Injection Control.................................................................................................... 100 3.13 401 Certification .......................................................................................................................... 101 3.13.1 Hydroelectric Projects .............................................................................................................. 101 3.13.2 Removal/Fill Certification ........................................................................................................