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Chapter 4-Site-Specific Industrial Storm Water BMPs <br />Advantages of a Temporary Sediment Basin ' • <br />• Protects downstream areas from clogging or damage due to sediment deposits generated <br />during construction activities I <br />• Can trap smaller sediment particles than sediment traps can because of the longer <br />detention time <br />Disadvantages of a Temporary Sediment Basin <br />• Is generally suitable for small areas <br />i <br />• Requires regular maintenance and cleaning <br />• Will not remove very fine silts and clays unless used in conjunction with other measures <br />• Is a more expensive way to remove sediment than several other methods <br />• Requires careful adherence to safety practices since ponds are attractive to children <br />4-90