Oregon Department of Agriculture Lost River Subbasin Agricultural Water Quality Management Area Plan May 2017 Developed by the: Lost River Local Agricultural Water Quality Advisory Committee Oregon Department of Agriculture With support from the: Klamath Soil and Water Conservation District Oregon Department of Agriculture Klamath SWCD Water Quality Program 2316 South 6th Street, Suite C 635 Capitol Street NE Klamath Falls, Oregon 97601 Salem, Oregon 97301 Phone: (541) 883-6932 x 101 Phone: (503) 986-4700 Table of Contents Acronyms and Terms Used in this Document .............................................................................. i Foreword ................................................................................................................................................. ii Applicability ........................................................................................................................................... ii Required Elements of Area Plans .................................................................................................... ii Plan Content ......................................................................................................................................... iii 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 .................................................................................... 2 1.3 Roles and Responsibilities ................................................................................................................ 3 1.3.1 Oregon Department of Agriculture .......................................................................................................... 3 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 .................................................................................... 9 1.5.2 Groundwater Management Areas (GWMAs) .................................................................................... 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 Statewide Aerial Photo Monitoring of Streamside Vegetation ................................................. 14 1.8.3 Biennial Reviews and Adaptive Management .................................................................................. 15 Chapter 2: Local Background ..................................................................................................... 17 2.1 Local Roles and Responsibilities .................................................................................................. 17 2.1.1 Local Advisory Committee ........................................................................................................................ 17 2.1.2 Local Management Agency ....................................................................................................................... 17 2.2 Area Plan and Rules: Development and History ..................................................................... 17 2.3 Geographical and Physical Setting ............................................................................................... 18 2.3.1 Location, Water Resources, Land Use, Land Ownership, Agriculture, Geographic and Programmatic Scope ................................................................................................................................................... 18 2.4 Agricultural Water Quality ............................................................................................................. 26 2.4.1 Water Quality Standards & 303(d) List of Impaired Water Bodies ........................................ 26 2.4.2 Basin TMDLs and Agricultural Load Allocations ............................................................................ 29 2.4.3 Beneficial Uses and Parameters of Concern ...................................................................................... 29 2.4.4 Sources of Impairment ............................................................................................................................... 29 2.5 Voluntary and Regulatory Measures ........................................................................................... 29 2.5.1 Area Rules as Implementation Strategy ............................................................................................. 29 Chapter 3: Goals, Objectives, and Strategies ......................................................................... 37 3.1 Mission ................................................................................................................................................... 37 3.2 Goal ......................................................................................................................................................... 37 3.3 Objectives ............................................................................................................................................. 38 3.4 Strategic Inititiatives ........................................................................................................................ 38 3.4.1 Measurable Objectives ............................................................................................................................... 38 3.4.2 Focus Areas ..................................................................................................................................................... 38 3.4.3 Focus Area Description: Poe Valley & Langell Valley .................................................................. 38 3.4.4 Focus Area Milestones ................................................................................................................................ 39 3.5 Strategies for Area Plan Implementation .................................................................................. 40 3.6 Monitoring and Evaluation ............................................................................................................. 41 3.6.1 Existing Water Quality ...............................................................................................................................