rivers, lakes, estuaries, shorelines, watersheds, creeks, canals, tributaries, wetlands, watercourses, riverbanks, beaches, roadways, waters, river basin, coastline, ponds, freshwater, marshes, lagoons, dams, pollutants, highways, headwaters, habitats, marsh, estuarine, inlets, marshland, weirs, marinas, wildlife, oceans, seaway, boating, sediment, coastland, roads, reefs, reservoirs, woodlands, riversides, silt, flowage, boaters, riverbeds, groundwater, seashores, ecosystems, landfills, lakeshore, intertidal, pollution, seacoasts, contaminants, intracoastal waterway, sandbars, seabeds, mudflats, oxbow, piers, estuarial, billabongs, fisheries, bottomland, sewage, mudflat, swimmable, dredging, freshwater mussel, floodplain, sloughs, harbor, basins, streams, st. lawrence seaway, shoaling, coastal, mangroves, headwater, tidal basin, sedimentation, blackwater, towpath, reservior, streambed, menai strait, albemarle sound, mussels, crossings, apalachicola river, parks, riparian forest, waterfront, salvinia, salt marsh, waterweed, swamps, wharfs, riverfront, sewers, inlands, waterway, harbours, harbors, seaports, shipyards, towns, bays, docks, ports, railroads

alligator grass, alligator weed, alternanthera philoxeroides, detroit river, eichhornia crassipes, eichhornia spesiosa, hydrilla, hydrilla verticillata, portage, water hyacinth, water orchid