Klamath Headwaters Agricultural Water Quality Management Area Plan September 2019 Developed by the: Oregon Department of Agriculture With assistance from the: Klamath Headwaters Local Advisory Committee and Klamath Soil and Water Conservation District Oregon Department of Agriculture Klamath SWCD Water Quality Program 2316 South 6th St., Suite C 635 Capitol Street NE Klamath Falls, Oregon 97601 Salem, Oregon 97301 Phone: (541) 883-6932 Phone: (503) 986-4700 http://klamathswcd.org/ oda.direct/AgWQPlans Klamath Headwaters Agricultural Water Quality Management Area Plan September 2019 Table of Contents Acronyms and Terms Used in this Document ............................................................................. ii An Open Letter to the Klamath Basin Landowners and Readers of this Plan ................. iv Foreword ................................................................................................................................................. vi Required Elements of Area Plans ................................................................................................... vi Plan Content ........................................................................................................................................... vi Chapter 1: Agricultural Water Quality Management Program Purpose and BacKground ........................................................................................................................................... 1 1.1 Purpose of AGricultural Water Quality ManaGement ProGram and Applicability of Area Plans ........................................................................................................................................................... 1 1.2 History of the AG Water Quality ProGram ................................................................................. 1 1.3 Roles and Responsibilities .............................................................................................................. 3 1.3.1 Oregon Department of Agriculture (ODA) .......................................................................................... 3 1.3.2 Local Management Agency ........................................................................................................................ 5 1.3.3 Local Advisory Committee ......................................................................................................................... 5 1.3.4 Agricultural Landowners ........................................................................................................................... 5 1.3.5 Public Participation ...................................................................................................................................... 6 1.4 Agricultural Water Quality ............................................................................................................. 6 1.4.1 Point and Nonpoint Sources of Water Pollution............................................................................... 6 1.4.2 Beneficial Uses and Parameters of Concern ....................................................................................... 6 1.4.3 Impaired Water Bodies and Total Maximum Daily Loads (TMDLs) ........................................ 7 1.4.4 Oregon Water Pollution Control Law – ORS 468B.025 and ORS 468B.050 .......................... 7 1.4.5 Streamside Vegetation and Agricultural Water Quality ................................................................ 8 1.5 Other Water Quality ProGrams ..................................................................................................... 9 1.5.1 Confined Animal Feeding Operation Program ................................................................................ 10 1.5.2 Groundwater Management Areas......................................................................................................... 10 1.5.3 The Oregon Plan for Salmon and Watersheds ................................................................................. 10 1.5.4 Pesticide Management and Stewardship ........................................................................................... 10 1.5.5 Drinking Water Source Protection ....................................................................................................... 11 1.6 Partner AGencies and OrGanizations ........................................................................................ 11 1.6.1 Oregon Department of Environmental Quality ............................................................................... 11 1.6.2 Other Partners .............................................................................................................................................. 12 1.7 Measuring Progress ........................................................................................................................ 12 1.7.1 Measurable Objectives .............................................................................................................................. 12 1.7.2 Land Condition and Water Quality ....................................................................................................... 13 1.7.3 Focused Implementation in Small Geographic Areas ................................................................... 13 1.8 Monitoring, Evaluation, and Adaptive Management ........................................................... 14 1.8.1 Agricultural Water Quality Monitoring .............................................................................................. 14 1.8.2 Biennial Reviews and Adaptive Management ................................................................................. 15 Chapter 2: Local BacKground ...................................................................................................... 17 2.1 Local Roles and Responsibilities ................................................................................................ 18 2.1.1 Local Advisory Committee (LAC).......................................................................................................... 18 2.1.2 Local Management Agency ...................................................................................................................... 18 2.2 Area Plan and ReGulations: Development and History ...................................................... 18 2.3 GeoGraphical and Physical SettinG ............................................................................................. 18 2.4 Agricultural Water Quality ........................................................................................................... 26 Klamath Headwaters Agricultural Water Quality Management Area Plan September 2019 2.4.1 303(d) List of Impaired Water Bodies ................................................................................................ 26 2.4.2 Basin TMDLs and Agricultural Load Allocations ............................................................................ 27 2.4.3 Beneficial Uses and Parameters of Concern ..................................................................................... 28 2.4.4 Sources of Impairment .............................................................................................................................. 28 2.5 Unacceptable Conditions ............................................................................................................... 29 2.5.1 Nutrients and Manure Management ................................................................................................... 30 2.5.2 Riparian/Streamside Area Management ........................................................................................... 30 2.5.3 Soil Erosion Prevention and Control ................................................................................................... 32 2.5.4 Upland Vegetation to Prevent and Control Pollution ................................................................... 32 2.5.5 Irrigation Management ............................................................................................................................. 33 Chapter 3: Implementation Strategies .................................................................................... 35 3.1 Goal ....................................................................................................................................................... 35 3.2 Objectives ............................................................................................................................................ 35 3.3 Schedule for Implementation ...................................................................................................... 35 3.4 StrateGic Initiatives ......................................................................................................................... 35 3.4.1 Focus Area ...................................................................................................................................................... 35 3.4.2 Upper Klamath Lake Drainages and Pump Sites ............................................................................ 36 3.4.3 Strategic Implementation Area.............................................................................................................. 36 3.4.3.1 SIA Process Overview: ......................................................................................................................... 36 3.4.3.2 Post SIA Evaluation 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