Related by context. Frequent words. (Click for all words.) 64 canals 51 irrigation ditches 51 waterways 51 canal 50 irrigation canals 48 navigable rivers 47 desilted 46 oxbows 46 recharge groundwater 46 causeways 46 coulees 46 river 45 inland waterways 45 inland waterway 45 salinization 45 Ocmulgee River 45 river embankments 45 waterway 45 streambanks 44 Turag 44 creeks rivers 44 rivers lakes 44 revetments 44 drainage ditches 44 rivers 44 silted 44 weirs 43 tributary rivers 43 desilt 43 aqueducts 43 Scheldt 43 lakes rivers 43 lakes 43 wadis 42 riverbanks 42 watercourses 42 Garonne 42 sluices 42 water 42 towpaths 42 de silting 42 Hooghly river 42 Canals 42 Ghaggar 42 embankments 42 riverbed 42 dikes 42 sloughs 42 creeks 42 Tungabhadra 41 Minnehaha Creek 41 earthen mounds 41 creek mouths 41 navigable waterways 41 ponded 41 Mahanadi river 41 downriver 41 drainage basins 41 Euphrates river 41 drainage canals 41 drainage 41 heavily polluted 41 hydrological 41 lakeshores 40 Chartiers Creek 40 estuary 40 Three Gorges reservoir 40 upriver 40 reservoirs 40 tributary streams 40 Mississippi River 40 Cal Sag 40 river Jhelum 40 lake 40 Euphrates 40 stormwater ponds 40 Kaskaskia River 40 Syr Darya 40 tidal basin 40 Tigris rivers 40 Chao Phraya river 40 Bayou Terrebonne 40 Taunsa 40 bridge abutments 40 lagoon 40 Wissahickon Creek 40 Floridan aquifer 40 freshwater habitats 40 Rhine River 40 aqueduct 40 Amu Darya 39 outfalls 39 riparian zones 39 sand dredged 39 creeks streams 39 dry riverbeds 39 lagoons 39 creek 39 seawater intrusion 39 dam spillway 39 tidal waters