Related by context. Frequent words. (Click for all words.) 48 Garrison Dam 46 tributaries 45 dams 45 tributary 43 spillway 43 rivers 42 river basin 42 pallid sturgeon 41 dam 41 Lake Sakakawea 41 fish hatchery 41 reservoirs 40 watercourse 40 lakes 40 river 40 floodway 39 River tributary 39 Reclamation 39 waterway 39 sluice gates 39 Souris River 39 Creek tributary 38 total dissolved solids 38 river basins 38 impoundments 38 Lake Taneycomo 38 basin 38 streambed 38 Lake Oahe 38 dewatered 38 dammed 38 spillways 38 canals 38 weir 38 Indus river 38 River basin 38 Army Corps 38 reservoir 38 floodplain 38 basins 37 weirs 37 tailwater 37 watersheds 37 creek 36 sediment 36 spawning beds 36 lake 36 cfs 36 sluices 36 sedimentation 36 floodplains 36 hydroelectric dams 36 AmerenUE 36 hatchery 36 canal 36 Reservoirs 36 Corps 36 wastewater discharges 36 headwaters 36 Sheyenne 36 River 36 upstream 36 cofferdam 36 aquatic habitat 35 groundwater pumping 35 dike 35 Environmental Quality DEQ 35 waterways 35 dissolved oxygen levels 35 Morganza 35 Upper Klamath 35 streamflow 35 creeks 35 Mississippi River 35 MPCA 35 irrigation canals 35 River Basin 35 hydrologic 35 irrigation ditches 35 Oahe 35 flume 35 spawning habitat 35 Scenic Rivers 35 hydropower dams 35 upriver 35 river valleys 34 ADEQ 34 NRCS 34 Middle Fork 34 drainages 34 Natural Resources Conservation 34 Water Resources 34 sluice gate 34 Environmental Quality 34 silt 34 snowmelt 34 flood plain 34 floodwaters 34 Wivenhoe Dam 34 lakebed 34 steelhead