Ключевые слова: algae, bacteria, brackish, cloudy, contamination, debris, decay, dingy, dirty, effluent, filth, foul, grime, hazardous, illustration, impurity, industrial, murky, pollution, runoff, scum, sediment, sewage, silt, sludge, stagnant, tainted, toxic, turbid, unclean, unsanitary, waste, water,