Related by context. Frequent words. (Click for all words.) 40 Asian carp 39 waterways 38 sewage overflows 38 Ship Canal 38 locks 37 floodwalls 37 waterway 36 dredging 36 Army Corps 36 Asian Carp 36 levees 36 Chicago Sanitary 36 crossings 35 dams 35 shellfish beds 35 spillway 35 sluice gates 34 reopening 34 lakes 34 IEPA 34 spillways 34 recreational boaters 34 levee 34 judgeships 34 Morganza 33 boat ramps 33 contaminants 33 Environmental Protection Agency 33 Surface Transportation Board 33 carp 33 Gaza border crossings 32 Lake Sakakawea 32 Great Lakes 32 Mississippi River 32 floodwall 32 dam 31 EPA 31 reopen 31 inland lakes 31 Des Plaines River 31 weirs 31 reservoirs 30 Secretary Ray Mabus 30 floodway 30 drawbridge 30 floodgate 30 mercury pollution 30 sewer overflow 30 levee breaches 30 floodgates 30 drainage canals 30 Clean Water Act 30 dredge 30 St. Lawrence Seaway 29 restaurants 29 Dredging 29 openings 29 sediment 29 MnDOT 29 MPCA 29 Granholm 28 hydrologists 28 levee breach 28 steelhead trout 28 border crossings 28 toxic algae 28 dike 28 ballast water 28 Disease Registry 28 Water Quality 28 wetlands 28 endangered salmon 28 PCBs 27 spigot 27 watersheds 27 stormwater runoff 27 reseal 27 TRAVERSE CITY Mich. 27 rerouting 27 gates 27 Reopening 27 IDOT 27 Morganza spillway 27 DEQ 27 Lake Lanier 27 weir 27 MDOT 27 TMDL 27 river basin 26 NIEHS 26 Preservationists 26 Energy Regulatory Commission 26 DOTD 26 mussels 26 URS Corp. 26 closure 26 spigots 26 Engineers 26 HNTB 26 riprap 26 coal ash