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Academy of Natural Sciences 1 American Littoral Society 2 Angelica Creek Watershed Association 3 Aquashicola Pohopoco Watershed Conservancy 4 Assateague Coastal Trust 4 BTW Company 2 Berks County Conservation District 3 Berks County Parks and Recreation Department 1 Berks Nature 2 Brodhead Watershed Assocation 10 Brown University 1 Bucktail High School 4 Bureau of Watershed Protection and Restoration 5 Calvin University, Plaster Creek Stewards 4 Cascade Fisheries 1 Catawba Riverkeeper Foundation 1 Chattahoochee Riverkeeper 7 Clean Water Services 46 Conestoga Valley School District 2 Darby Creek Valley Association 2 Deerpark Rural Alliance 7 Delaware Riverkeeper 1 Delaware State Parks 3 East Stroudsburg University 9 Eastern Delaware County Stormwater Collaborative 1 Finger Lakes Institute at Hobart and William Smith Colleges 1 Forest Grove Community School 1 Friends of Silver Lake Nature Center 1 George Mason University 4 Great Lakes Data Watershed 2 Great Marsh Institute 20 Greater Wellington Regional Council 4 Green Valleys Watershed Association 10 Individual Sites 320 Instituto Tecnologico de Santo Domingo 1 International Water Institute 15 Jacobs Creek Watershed Association 2 John Bartram Association 1 Kalamazoo College 1 Kansas State University 3 Kennesaw State University 3 Lackawanna County Conservation District 2 Lake Superior State University -- Center for Freshwater Research and Education 10 Lenape Indian Tribe Delaware 6 LimnoTech 45 Lower Dauphin High School 1 Lynchburg Water Resources 8 Mashkiiziibii Natural Resources Department 1 Massachusetts Department of Conservation and Recreation (DWSP) 10 Minnetonka High School 1 Mississippi Watershed Management Organization 11 Moisture Matters 1 Montgomery School 2 Musconetcong Watershed Association 12 NYenvironcom 2 Natural Lands 7 NatureBridge Yosemite 1 New Jersey State Council of Trout Unlimited 2 Newlin Grist Mill 2 Newman Wetlands Center 2 Newport School District 2 North Carolina State University 1 Ohio State University 2 Oklahoma State University 4 Open Space Institute 1 Pennsylvania Council of Trout Unlimited 2 Pennsylvania State University Extension - Master Watershed Steward Program 1 Pennypack Ecological Restoration Trust 2 Perkiomen Trout Unlimited 1 Preservation Maryland 2 Primrose Creek Watershed Association 2 Raritan Headwaters 5 Red Cliff Band of Lake Superior Chippewa 12 Riley Purgatory Bluff Creek Watershed District 30 Rock Leaf Water Environmental 9 Rocky Mountain Flycasters Trout Unlimited 1 Saint Vrain Anglers Trout Unlimited 4 Schuylkill River Greenways 1 Seattle University 1 Seerius Networks 1 Somerset Lake Service Corporation 1 South Jersey Land and Water Trust 2 Spokane Riverkeeper 4 Springside Chestnut Hill Academy 1 St. Catharine of Siena School 1 Stroud Water Research Center 72 Sustainable Business Network of Greater Philadelphia 6 The Independence School 2 The Institute (Waynesboro, PA) 1 The Land Conservancy for Southern Chester County 2 The Lawrenceville School 2 The Nature Conservancy 15 The New Jersey Highlands Coalition 2 The Watershed Institute 26 Timucuan Ecological and Historic Preserve 16 Tobyhanna Creek/Tunkhannock Creek Watershed Association 3 Tookany/Tacony-Frankford Watershed Partnership 4 Tower Hill School 1 Tredyffrin Easttown Middle School 1 Trout Unlimited 96 Trout Unlimited California (gauge) 10 Tunkhanna Fishing Association 1 U.S. Geological Survey 2 UNC Chapel Hill Institute of Marine Sciences 7 USDA-NRCS 5 Umeå University 12 University Of Memphis 27 University of California, Berkeley 5 University of Massachusetts Amherst 2 University of Minnesota 14 University of Utah 7 University of Waikato 4 University of Wisconsin Madison Arboretum 1 UrbanPromise Trenton 2 Utah State University 2 Utah Water Research Laboratory 4 Vadnais Lake Area WMO 9 Valley Creek Restoration Partnership 1 Valley Forge Trout Unlimited 2 Victoria University of Wellington 1 Villanova University 6 Wallkill River Watershed Management Group 1 Walters State Community College 1 West Chester University 6 White Clay Watershed Association 1 White Clay Wild & Scenic River Program 5 Wildlands Conservancy 3 Willistown Conservation Trust 4 Wilson College 1 Winona State University 6 Wissahickon Valley Watershed Association 4 Wyoming County Conservation District 2