sewer, sewerage, drains, sewage, sewage disposal, soakaway, irrigation, culvert, diking, subgrade, sedimentation, sumps, outfall, waterlines, swales, berming, gutters, revetment, swale, silt, clarifiers, riprap, repaving, watercourse, wastewater, graveling, septic tank, seepage, roadwork, drainage basin, subsidence, landscaping, aeration, retaining wall, flood plain, floodplain, canalization, leachate, grouting, rainwater, effluent, earthwork, underdrain, sediment, channelisation, beautification, soil erosion, reticulation, backflow, roadbeds, metalling, groundwater, canals, percolation, resurfacing, sidewalks, wetland, roadway, water, millrace, piping, levee, puddling, basin, subbase, gabion, channelization, drainage ditch, geotechnical, reservior, concreting, dredging, signalization, downspouts, creek, orthophosphate, roads, gabions, subdivision, headrace, hydrological, soils, clarifier, medians, distributary, sinkholes, weirs, tarmacadam, footpaths, sinkage, sluiceway, pumping station, reline, streambed, ditches, hyalite, turbidity, forebay, sprigging, frost heaving, embankments, overflows, hemostasis, ventilation, immobilization, repair, wetting, decompression, emptying, lubrication, venting, freezing, refrigeration, sealing, debridement, dewatering, immobilisation, removal, retention, cooling, farming, recovery, filtering, gathering, numbering, reporting, fill, mixing, testing, access, alignment, ary, collecting, collection, control, counting, extraction

alosa chrysocloris, anterior cardinal vein, bog, ditch, peat bog, posterior cardinal vein, river shad, swamp, swampland, trench, waterspout, wiesenboden

emptying, evacuation, voidance

drain