Niantic River Watershed Protection Plan Update
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Niantic River Watershed Protection Plan Update prepared by JUNE 2020 Acknowledgements We would like to thank the following individuals and organizations for their contributions of time and effort to the development of this Update to the Niantic River Watershed Protection Plan: Niantic River Watershed Committee Ralph Bates, Town of East Lyme (Alternate) Melissa Bezanson, Secretary, Town of Salem David Bliven, Town of Montville Donald Danila, Treasurer, Town of East Lyme Susan Gonzalez, Town of East Lyme Peter Harris, Waterford/East Lyme Shellfish Commission John Jasper, Town of East Lyme Eric Kanter, Waterford/East Lyme Shellfish Commission (Alternate) Donald Landers, Vice-Chair, East Lyme Harbor Management & Shellfish Commission Douglas Lawson, Town of Waterford Judy Rondeau, NRWC Watershed Coordinator Christine Tomichek, Chair, Town of Waterford David Turner, Town of Montville Other Involved Stakeholders Sam Alexander, Southeastern Connecticut Council of Governments Kim Bradley, Avalonia Land Conservancy Victor Benni, Town Engineer, Town of East Lyme Colleen Bezanson, Assistant Planner, Town of Montville Eastern Connecticut Conservation District Maureen Fitzgerald, Environmental Planner, Town of Waterford Friends of the Oswegatchie Hills Nature Preserve Gary Goeschel II, Director of Planning, Town of East Lyme Justin LaFountain, Southeastern Connecticut Council of Governments Joseph Lanzafame, Director of Public Utilities, City of New London Ron Luich, President, East Lyme Land Trust Peter Linderoth, Save the Sound Deborah Mosier-Dunn, Save the River – Save the Hills Eric Thomas, CT DEEP (ex officio representative to NRWC) Katie O’Brien-Clayton, CT DEEP Dr. Jamie Vaudrey, University of Connecticut, Dept. of Marine Sciences Waterford Conservation Commission Waterford Harbor Management Commission Waterford-East Lyme Shellfish Commission (WELSCO) Watershed and Open Space workshops participants Watershed residents Watershed Towns of East Lyme, Montville, Salem, and Waterford Woodsmen Land Trust Consultant – Fuss & O’Neill, Inc. Erik Mas, P.E; Michael Soares; Sarah Hayden, MSc; Stefan Bengtson, MSc; Joshua Wilson MSc Funding for this project was provided by the Community Foundation of Eastern Connecticut, the Connecticut Department of Energy and Environmental Protection via the Clean Water Act Section 319 Nonpoint Source program, and Kleinschmidt Foundation through the Community Foundation of Maine. Niantic River Watershed Protection Plan Update Table of Contents Niantic River Watershed Protection Plan Update 1 Introduction ................................................................................ 1 1.1 Background ........................................................................................................................ 1 1.2 Prior Watershed Planning .................................................................................................. 6 1.3 Why Update the Protection Plan? ...................................................................................... 7 1.4 Plan Update Process ........................................................................................................... 9 1.5 Review of 2006 Plan Recommendations ........................................................................... 10 1.6 Stakeholder and Public Participation ................................................................................ 14 2 Watershed Characteristics ...................................................... 15 2.1 Watershed Description ..................................................................................................... 15 2.2 Water Quality ................................................................................................................... 17 2.3 Land Cover ....................................................................................................................... 23 2.4 Impervious Cover ............................................................................................................. 26 2.5 Open Space ...................................................................................................................... 28 2.6 Geology and Soils ............................................................................................................. 30 2.7 Wetlands, Riparian Areas, and Forests ............................................................................. 32 2.8 Water Supply, Wastewater, and Stormwater ................................................................... 36 2.9 Emerging Issues ................................................................................................................ 41 3 Management Recommendations .......................................... 46 3.1 Capacity Building .............................................................................................................. 47 3.1.1 Support Management Framework and Lead Entity ................................................. 47 3.1.2 Promote Inter-Municipal Coordination .................................................................... 48 3.1.3 Promote Regional Collaboration .............................................................................. 48 3.1.4 Identify and Pursue Funding .................................................................................... 50 3.2 Stormwater and Nonpoint Source Runoff ........................................................................ 51 3.2.1 Green Infrastructure and Low Impact Development ............................................... 51 3.2.2 Homeowner Best Management Practices ................................................................ 55 3.2.3 Municipal Stormwater Management Programs (MS4) ............................................ 58 3.2.4 Wastewater Disposal Systems ................................................................................. 61 3.2.5 Illicit Discharges ........................................................................................................ 65 3.2.6 Commercial Business and Industrial Facilities .......................................................... 67 3.2.7 Vegetated Buffers .................................................................................................... 69 3.2.8 Wildlife and Pet Waste ............................................................................................. 71 3.2.9 Agricultural Lands ..................................................................................................... 73 3.3 Coastal and Estuarine Issues ............................................................................................ 77 3.4 Land Use Policy and Planning ........................................................................................... 82 3.5 Open Space and Land Conservation ................................................................................. 84 3.6 Education and Outreach ................................................................................................... 89 3.7 Monitoring and Assessment ............................................................................................. 91 Niantic River Watershed Protection Plan Update i Table of Contents Niantic River Watershed Protection Plan Update 3.7.1 Water Quality Monitoring ........................................................................................ 92 3.7.2 Streamwalk Assessments and Track-Down Surveys ................................................ 93 3.7.3 Subwatershed Action Plans ...................................................................................... 93 4 Site-Specific BMP Concepts .................................................... 96 4.1 Flanders Plaza (East Lyme) ............................................................................................... 97 4.2 Latimer Brook Commons (East Lyme) ............................................................................. 100 4.3 Residential Area North of Flanders Four Corners (East Lyme)......................................... 102 4.4 Sandy Point (Waterford) ................................................................................................ 105 4.5 Oswegatchie Fire Department (Waterford) .................................................................... 108 4.6 Chesterfield Fire Department (Montville)....................................................................... 110 4.7 Residential Area North of Bogue Brook Reservoir (Montville) ........................................ 113 4.8 Niantic River Road (Waterford) ...................................................................................... 116 4.9 Residential Area around No Name Brook (Waterford) ................................................... 119 4.10 Downtown Niantic (East Lyme) ...................................................................................... 123 5 Management Measures and Pollutant Load Reductions ... 126 5.1 Pollutant Loads .............................................................................................................. 126 5.2 Pollutant Load Reductions Targets ................................................................................. 128 5.3 Plan Implementation – Tracking Progress towards Load Reductions .............................. 130 6 Funding Sources ..................................................................... 131 7 Formal Adoption of the Niantic River Watershed Protection Plan Update ...................................... 132 Niantic River Watershed Protection Plan Update