levee, dam, spillway, embankments, berm, cofferdam, reservoir, revetment, seawall, riprap, weirs, overtopping, lake, culvert, forebay, river, wetland, retaining wall, floodplain, flood plain, drainage, coulee, polders, oxbow, floodwater, roadbed, sandbags, headrace, flood, canal, riverbanks, earthen, tributary, creek, sinkhole, flowage, watercourse, floodwaters, polder, river basin, breakwaters, pilings, silt, waterway, gabions, sluices, reservior, lockmaster, riverbed, seepage, shoreline, bulkheads, causeway, moraine, drainage ditch, millrace, sedimentation, streambed, headwaters, bailey bridge, murrumbidgee river, lahar, karst, swale, bund, drainage basin, sediment, lagoon, namoi river, groyne, gabion, sny, batture, ponds, freshet, mudflow, hydrological, outfall, sluiceway, sump pump, marsh, waterline, brahmaputra river, atchafalaya, basin, hardpan, headwater, bottomland, abutment, richelieu river, subgrade, sandbar, fireguard, bridge, gusset plate, danube river, snowshed, lakeshore, hyalite, mudslide, floodgate, embankment, dikes, pier, ditch, rampart, reef, breakwater, buttress, outcrop, gate, jetty, lintel, trench, mound, raft, semicircle, core, layered, road, terrace, basement, curtain, dune, exposed, latrine, slab, terraced, agglomerated, bridged, granitoid, harbour, magmatic

aswan dam, aswan high dam, high dam, hoover dam, milldam, water gate, weir

breach

barrier, enclose, inclose, shut in