Draft Warner River Corridor Management Plan
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| Version Date 12-16-20, CNHRPC | Warner River Corridor Management Plan March 2020 Winter comes to the Warner River, near Morse Loop in Warner. Photo Credit: Ken Milender of Warner New Hampshire Rivers Management and Protection Program Department of Environmental Services Watershed Management Bureau R-WD-20-25 Warner River Corridor Management Plan Prepared by Warner River Local Advisory Committee (WRLAC) with assistance from the Central New Hampshire Regional Planning Commission (CNHRPC) New Hampshire Department of Environmental Services Water Division – Watershed Management Bureau 29 Hazen Drive, PO Box 95 | Concord, NH 03302-0095 | (603) 271-3449 Robert R. Scott Commissioner Clark Freise Assistant Commissioner Eugene Forbes, P.E. Water Division Director Tracie Sales Rivers and Lakes Programs Manager https://www.des.nh.gov/ Warner River Corridor Management Plan 2020 Acknowledgments The Warner River Local Advisory Committee (WRLAC) prepared this Warner River Corridor Management Plan with assistance from the Central New Hampshire Regional Planning Commission and the New Hampshire Department of Environmental Services (NHDES) Rivers Management and Protection Program (RMMP). The draft of this Plan was completed in March 2020. Members of the Warner River Local Advisory Committee are: • Bradford: Bruce Edwards, Scott MacLean. • Hopkinton: Dave White, Mike Norris, Linden Rayton. • Sutton: Bob Wright, Pete Savickas, Andy Jeffrey. • Warner: Laura Russell, Chris Spannweitz, Ken Milender. • Webster: Susan Roman, Dan Moran. Special acknowledgements are extended to the Warner River Management Corridor Plan Subcommittee: • Laura Russell, Warner. • Chris Spannweitz, Warner. • Bruce Edwards, Bradford. • Andy Jeffrey, Sutton. • Ken Milender, Warner. Mission Statement The Warner River Local Advisory Committee (WRLAC) intends to carry out its responsibilities established by the New Hampshire Rivers Management and Protection Program (established under RSA 483), including the protection of the river’s outstanding characteristics ─ recreational, fisheries, wildlife, cultural and ecological, and to support the protection and maintenance of the riparian lands within the Warner River designated river corridor. This management plan represents the first step towards implementation of the WRLAC’s responsibilities. The Warner River Local Advisory Committee will focus its efforts on raising awareness of the need for conservation and thoughtful stewardship of the river’s many resources, including supporting the protection of the riparian and aquatic habitats, advocating for maintaining the current high quality and available quantity, and supporting conservation efforts throughout the Warner River corridor. The WRLAC will work with riparian landowners, other interested residents, and local government agencies in the towns of Warner, Sutton, Webster, Bradford, and Hopkinton to promote these efforts and to work as partners in maintaining the unique rural character of the Warner River. Neighboring communities and supporting agencies and organizations are welcome to participate and collaborate in the WRLAC activities. Page iii | FORMATTED DEC 2020 Warner River Corridor Management Plan 2020 Table of Contents Acknowledgments ........................................................................................................................................... iii Mission Statement ........................................................................................................................................... iii Table of Contents ............................................................................................................................................. iv Chapter 1. Introduction ........................................................................................................................................ 1 1.1 Background ................................................................................................................................................. 1 1.2 Warner River Corridor Designation ............................................................................................................ 2 1.3 The Warner River Corridor .......................................................................................................................... 3 1.4 Warner River Corridor’s New Management Plan ....................................................................................... 5 Chapter 2. Resource Assessment .......................................................................................................................... 7 2.1. The Corridor and Its People ....................................................................................................................... 7 2.1.1 Regional Profile .................................................................................................................................... 7 2.1.2 Town Demographics ............................................................................................................................ 8 2.2 Geologic Conditions .................................................................................................................................. 11 2.3 Water Resources ....................................................................................................................................... 13 2.3.1 Warner River Watershed ................................................................................................................... 13 2.3.2 Surface Waters ................................................................................................................................... 14 2.3.3 Stream Gages and Flooding ............................................................................................................... 15 2.3.4 Floodplains ......................................................................................................................................... 19 2.3.5 Wetlands ............................................................................................................................................ 20 2.3.6 Stream Crossings and Aquatic Organism Passage ............................................................................. 20 2.3.7 Fluvial Erosion Hazards ...................................................................................................................... 21 2.3.8 Groundwater ...................................................................................................................................... 22 2.3.9 Managed Water Resources ................................................................................................................ 24 2.3.10 Water Quality ................................................................................................................................... 27 2.3.11 Anthropogenic Sources of Pollution ................................................................................................ 29 2.4 Plant and Wildlife Resources .................................................................................................................... 32 2.4.1 Forests and Woodlands ..................................................................................................................... 32 2.4.2 Wildlife ............................................................................................................................................... 34 2.4.3 Wildlife Habitat .................................................................................................................................. 35 Page iv | FORMATTED DEC 2020 Warner River Corridor Management Plan 2020 2.4.4 Birds ................................................................................................................................................... 36 2.4.5 Invasive Species ................................................................................................................................. 38 2.5 Historical and Cultural Resources ............................................................................................................. 41 2.6 Recreational Resources and Public Access ............................................................................................... 43 2.6.1 Water-Based Recreation .................................................................................................................... 43 2.6.2 Land-Based Recreation ...................................................................................................................... 44 Chapter 3. Land Use Assessment ........................................................................................................................ 47 3.1 Land Use in the Corridor ........................................................................................................................... 47 3.1.1 Villages ............................................................................................................................................... 48 3.1.2 Commercial and Industrial Areas ....................................................................................................... 48 3.1.3 State Lands ......................................................................................................................................... 49 3.2 Future Development ................................................................................................................................