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Vegetative filter strips modeling of a small (817 m x 875 m) watershed was conducted. For different widths, lengths, and grasses alternative designs were simulated using a computer program (VFSMOD). Required geographical data were extracted using ArcView GIS software, and other Internet sources. Results showed that sediment-trapping efficiencies of proposed filter strips could be up to 63-74 %. Also, it was found that type of grass does not affect the trapping efficiency for this particular watershed.