Heldman Ditch-Ottawa River Huc-12 (04100001 03 07)
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Version 1.0 June, 2017 Nine-Element Approved: August 2, 2017 Nonpoint Source Implementation Strategic Plan (NPS-IS plan) Ottawa River-Frontal Lake Erie Heldman Ditch- Ottawa River HUC-12 (04100001 03 07) Created by: The Olander Park System 3930 Sylvania Ave. Sylvania, OH 43560 Partners for Clean Streams, Inc. P.O. 203 Perrysburg, OH 43552 The Metroparks of the Toledo Area 5100 W. Central Ave. Ottawa Hills, OH 43615 The Nature Conservancy Oak Openings Region Project Office 10420 Old State Line Rd. Swanton, OH 43558 This page intentionally left blank i HELDMAN DITCH-OTTAWA RIVER HUC-12 (04100001 03 07) Table of Contents Acknowledgements ............................................................................................................................................ iv Chapter 1: Introduction ...................................................................................................................................... 1 1.1 Report Background ...................................................................................................................................... 2 1.2 Watershed Profile & History ........................................................................................................................ 2 1.3 Public Participation and Involvement .......................................................................................................... 4 Chapter 2: Heldman Ditch-Ottawa River HUC-12 Watershed Characterization and Assessment Summary..... 6 2.1 Summary Watershed Characterization for Heldman Ditch-Ottawa River HUC-12...................................... 6 2.1.1 Physical and Natural Features ................................................................................................. 6 2.1.2 Land Use and Protection ......................................................................................................... 8 2.2 Summary of Biological Trends for Heldman Ditch-Ottawa River HUC-12 ................................................. 10 2.3 Summary of NPS Pollution Causes and Associated Sources for Heldman Ditch-Ottawa River HUC-12 .... 15 2.4 Additional Information for Determining Critical Areas and Developing Implementation Strategies for Heldman Ditch-Ottawa River HUC-12 ....................................................................................................... 16 Chapter 3: Conditions & Restoration Strategies for Heldman Ditch-Ottawa River HUC-12 Critical Areas ...... 17 3.1 Overview of Critical Areas .......................................................................................................................... 17 3.2 Critical Area 1: Conditions, Goals & Objectives for the Upper Reach of the Ottawa River in Heldman Ditch-Ottawa River HUC-12 ....................................................................................................................... 19 3.2.1 Detailed Characterization ..................................................................................................... 19 3.2.2 Detailed Biological Conditions .............................................................................................. 20 3.2.3 Detailed Causes and Associated Sources ............................................................................... 21 3.2.4 Outline Goals and Objectives for the Critical Area ................................................................. 22 Objectives..................................................................................................................................... 23 3.3 Critical Area 2: Conditions, Goals & Objectives for the Middle Reach of the Ottawa River of Heldman Ditch-Ottawa River HUC-12 ...................................................................................................................... 24 3.3.1 Detailed Characterization ..................................................................................................... 24 3.3.2 Detailed Biological Conditions .............................................................................................. 25 3.3.3 Detailed Causes and Associated Sources ............................................................................... 26 3.3.4 Outline Goals and Objectives for the Critical Area ................................................................. 27 Objectives..................................................................................................................................... 28 3.4 Critical Area 3: Conditions, Goals & Objectives for the Ottawa Hills Floodplain Area of the Ottawa River in Heldman Ditch-Ottawa River HUC-12 ......................................................................................... 28 3.4.1 Detailed Characterization ..................................................................................................... 28 3.4.2 Detailed Biological Conditions .............................................................................................. 29 3.4.3 Detailed Causes and Associated Sources ............................................................................... 31 3.4.4 Outline Goals and Objectives for the Critical Area ................................................................. 32 Objectives..................................................................................................................................... 33 3.5 Critical Area 4: Conditions, Goals & Objectives for Hill Ditch in Heldman Ditch-Ottawa River HUC-12 .... 33 3.5.1 Detailed Characterization ..................................................................................................... 33 3.5.2 Detailed Biological Conditions .............................................................................................. 35 3.5.3 Detailed Causes and Associated Sources ............................................................................... 36 3.5.4 Outline Goals and Objectives for the Critical Area ................................................................. 37 ii HELDMAN DITCH-OTTAWA RIVER HUC-12 (04100001 03 07) Objectives..................................................................................................................................... 38 3.6 Critical Area 5: Conditions, Goals & Objectives for the Heldman Ditch and Tributaries in Heldman Ditch-Ottawa River HUC-12 ...................................................................................................................... 39 3.6.1 Detailed Characterization ..................................................................................................... 39 3.6.2 Detailed Biological Conditions .............................................................................................. 40 3.6.3 Detailed Causes and Associated Sources ............................................................................... 41 3.6.4 Outline Goals and Objectives for the Critical Area ................................................................. 42 Objectives..................................................................................................................................... 43 Chapter 4: Projects and Implementation Strategy .......................................................................................... 44 4.1 Overview Tables and Project Sheets for Critical Areas .............................................................................. 44 4.2 Critical Area 1: Overview Table and Project Sheet(s) for the Upper Reach of the Ottawa River in Heldman Ditch-Ottawa River HUC-12 ....................................................................................................... 44 4.2.1 Critical Area 1: Project and Implementation Strategy Overview Table .................................... 45 4.2.2 Critical Area 1: Project Summary Sheet(s) ............................................................................. 47 4.3 Critical Area 2: Overview Table and Project Sheet(s) for the Middle Reach of the Ottawa River in Heldman Ditch-Ottawa River HUC-12 ....................................................................................................... 49 4.3.1 Critical Area 2: Project and Implementation Strategy Overview Table .................................... 49 4.3.2 Critical Area 2: Project Summary Sheet(s) ............................................................................. 51 4.4 Critical Area 3: Overview Table and Project Sheet(s) for the Ottawa Hills Floodplain Area of the Ottawa River in Heldman Ditch-Ottawa River HUC-12 ............................................................................. 55 4.4.1 Critical Area 3: Project and Implementation Strategy Overview Table .................................... 55 4.4.2 Critical Area 3: Project Summary Sheet(s) ............................................................................. 57 4.5 Critical Area 4: Overview Table and Project Sheet(s) for Hill Ditch in Heldman Ditch-Ottawa River HUC-12 ...................................................................................................................................................... 59 4.5.1 Critical Area 4: Project and Implementation Strategy Overview Table .................................... 59 4.5.2 Critical Area 4: Project Summary Sheet(s) ............................................................................. 61 4.6 Critical Area 5: Overview Table and Project Sheet(s) for Heldman Ditch and Tributaries in Heldman Ditch-Ottawa River HUC-12 .....................................................................................................................