Related by context. Frequent words. (Click for all words.) 59 riparian 55 Nile basin 50 river basin 49 trans boundary 48 Nile Basin 48 basin 47 bottomlands 47 lake 47 transboundary 46 navigable waters 46 Great Lakes basin 45 river 45 Waitaki River 45 Tipaimukh dam 45 landowners 44 upstream 44 Snake River dams 44 reservoir 44 Mullaperiyar dam 44 floodplain 44 streamflows 44 lakes 44 rivers 44 sedimentation 44 navigable waterways 44 aquatic habitat 44 watercourse 44 lakeshore 44 Indus Waters Treaty 44 river basins 43 downstream 43 navigability 43 ecologically fragile 43 groundwater recharge 43 waterway 43 headwater 43 NRDs 43 River basin 43 bottomland 42 Amur River 42 Myakka River 42 waterbodies 42 irrigators 42 hydro dams 42 spawning habitat 42 Mekong River 42 Tittabawassee River 42 aquatic ecosystems 42 navigable waterway 42 reservoirs 42 Roaring Fork River 42 waterways 42 dams 42 biota 41 tributaries 41 headwaters 41 groundwater pumping 41 River Basin 41 Irsa 41 hydrological 41 Apalachicola River 41 tidelands 41 dissolved oxygen levels 41 dam 41 drainage basin 41 fluvial 41 watersheds 41 shorefront 40 Tuolumne River 40 tidal wetlands 40 shoreline 40 estuary 40 St. Croix River 40 tributary 40 shoreland 40 MWCD 40 freshwater 40 freshwater wetlands 40 tailwater 40 Santiam River 40 flood plain 40 aquifers 40 Mokelumne River 40 basins 40 intertidal 40 wetlands 40 detention basins 39 Chenab 39 groundwater 39 inland lakes 39 Cauvery 39 landowner 39 Willapa Bay 39 catchments 39 wetland 39 migratory fish 39 irrigated agriculture 39 tmcft 39 watershed 39 hydropower 39 Easements