effluent, sewage, leachate, inlet, sewer, clarifiers, lagoon, drainage, wastewater, sewerage, waterline, soakaway, pumping station, estuary, forebay, culvert, headrace, turbidity, reservior, watercourse, revetment, groyne, weir, groundwater, breakwater, jetty, tributary, canal, underdrain, sediment, sluiceway, riprap, drainage basin, dredging, aquifer, clarifier, embayment, shoaling, basin, millrace, water, reservoir, seepage, silt, dam, backflow, seawall, fishway, septic tank, causeway, sumps, drains, crossness, fly ash, creek, sedimentation, pipework, reticulation, mudflat, reverse osmosis, rainwater, chlorination, landward, waterway, anicut, seaward, aqueduct, graving dock, diking, backwash, sullage, oxbow, shoreline, activated sludge, mythe, nullah, effluence, seawater, distributary, landfill, bailey bridge, sewage works, ponds, piping, canalization, cofferdam, penstock, substation, murrumbidgee river, sinkage, catchment, gaillard cut, headwater, streambed, sewage disposal, estero, caernarvon, wetlands, pier, contaminants, headwaters, underflow, outfalls, outlet, entrance, entrances, terminus, i.e., inlets, berth, exits, railroad, berths, channel, course, flue, frontage, harbour, inland

exit, issue, outlet, way out